Spice up your September 2021 content with this handy calendar
Updated: Sep 12, 2021
Think 34 month-long events in a span of 30 days! Plus, hundreds of interesting single-day occasions
Images (from L to R): Kabir Cheema, Nafeez Rahman, Joshua J. Cotten for Unsplash
It’s that time of the month again! The time when you get all your blogging, content-marketing, meme, and social media calendar ideas for the upcoming few weeks in one place.
So, without much preamble, let’s dive into this big list of exciting events, cool holidays, lively festivals, significant occasions, and quirky days coming up in September 2021 you can use for planning and timing your posts.
(A note: I’m excluding popular birthdays and death anniversaries from the list. I’ve realised it’s quite an exclusionary approach to spotlight just a few people for these. Besides, it’s very easy to miss out on a LOT of these dates.
I’m also skipping movie anniversaries this time. You have to admit that researching these dates for films across ALL languages in India and abroad is a labour-intensive effort for a time-starved solo blogger. At the same time, it’s difficult to verify these release dates if they vary across countries. Ditto for sporting events, which are subject to unexpected cancellations and rescheduling these days, so it becomes very cumbersome to update the calendar as and when.
Still, there’s quite a lot happening this month, so you have plenty to work with! Save and bookmark this September 2021 content calendar to make the most of it.)
Month-long events
Wed, 1–Thu, 30 – (World) Alzheimer’s Month
Wed, 1–Thu, 30 – Baby Safety Month
Wed, 1–Thu, 30 – Better Breakfast Month
Wed, 1–Thu, 30 – Biscuit Month
Wed, 1–Thu, 30 – Blueberry Popsicle Month
Wed, 1–Thu, 30 – Chiari Awareness Month
Wed, 1–Thu, 30 – Chicken Month
Wed, 1–Thu, 30 – Childhood Cancer Awareness Month
Wed, 1–Thu, 30 – Classical Music Month
Wed, 1–Thu, 30 – Courtesy Month
Wed, 1–Thu, 30 – Fall Hay Month
Wed, 1–Thu, 30 – Friendship Month
Wed, 1–Thu, 30 – Guide Dog Month
Wed, 1–Thu, 30 – Happy Cat Month
Wed, 1–Thu, 30 – Honey Month
Wed, 1–Thu, 30 – Hunger Action Month
Wed, 1–Thu, 30 – Library Card Sign-up Month
Wed, 1–Thu, 30 – Mushroom Month
Wed, 1–Thu, 30 – Ovarian Cancer Awareness Month
Wed, 1–Thu, 30 – Piano Month
Wed, 1–Thu, 30 – Potato Month
Wed, 1–Thu, 30 – Preparedness Month
Wed, 1–Thu, 30 – Pulmonary Fibrosis Awareness Month
Wed, 1–Thu, 30 – Recovery Month
Wed, 1–Thu, 30 – Responsible Dog Ownership Month
Wed, 1–Thu, 30 – Rice Month
Wed, 1–Thu, 30 – Self-Improvement Month
Wed, 1–Thu, 30 – Sepsis Awareness Month
Wed, 1–Thu, 30 – Sewing Month
Wed, 1–Thu, 30 – Shake Month
Wed, 1–Thu, 30 – Sourdough September
Wed, 1–Thu, 30 – (International) Square Dancing Month
Wed, 1–Thu, 30 – Suicide Prevention Month
Wed, 1–Thu, 30 – Whole Grains Month
Multiple-day events
Mon, 9 OR Tue, 10 August–Tue, 7 September – Muharram month
Mon, 23 August–Mon, 20 September – Bhadrapada month
Mon, 23 August–Wed, 22 September – Virgo month
Wed, 1–Tue, 7 – National Nutrition Week
Sun, 5–Sat, 11 – Suicide Prevention Week
Mon, 6–Wed, 8 – Rosh Hashanah
Wed, 8 September–Wed, 6 October – Safar month
Sun, 12–Sat, 18 – International Housekeepers & Environmental Services Week (second week of September)
Mon, 13–Sun, 19 – Māori Language Week
Mon, 13–Sun, 19 – Neonatal Nurses Week
Sat, 18–Sun, 19 – European Heritage Days (third weekend of September)
Mon, 20–Sun, 26 – International Week of the Deaf (last full week of September)
Mon, 20–Sun, 26 – International Week of Happiness at Work (last full week of September)
Mon, 20–Sun, 26 – Indoor Plant Week (third week of September)
Mon, 20–Mon, 27 – Sukkot
Mon, 20 September–Wed, 6 October – Pitru Paksha
Wed, 15–Thu 16 – Yom Kippur
Wed, 15 September–Fri, 15 October – Hispanic Heritage Month
Tue, 21 September–Wed, 20 October – Ashwin month
Thu, 23 September–Fri, 22 October – Libra month
Single-day events
Wed, 1 – Acne Positivity Day
Wed, 1 – Building and Code Staff Appreciation Day
Wed, 1 – Cap Classique Day
Wed, 1 – Cherry Popover Day
Wed, 1 – Ginger Cat Appreciation Day
Wed, 1 – Global Talent Acquisition Day (first Wednesday of September)
Wed, 1 – Gyro Day
Wed, 1 – (World) Letter Writing Day (read: How to use your writing skills to bring yourself closure)
Wed, 1 – Meteorological autumn starts
Wed, 1 – No Rhyme or Reason Day
Wed, 1 – Slovakia Constitution Day
Wed, 1 – Tofu Day
Wed, 1 – Wattle Day (Australia)
Thu, 2 – Blueberry Popsicle Day
Thu, 2 – Cabernet Day (the Thursday before US Labor Day)
Thu, 2 – Calendar Adjustment Day
Thu, 2 – (World) Coconut Day
Thu, 2 – Grits for Breakfast Day
Thu, 2 – Vietnam Independence Day, a.k.a. Vietnam National Day
Fri, 3 – Australian National Flag Day
Fri, 3 – Bring Your Manners to Work Day (first Friday of September)
Fri, 3 – Chianti Day (first Friday of September)
Fri, 3 – College Colors Day (the Friday before US Labor Day)
Fri, 3 – Food Bank Day (first Friday of September)
Fri, 3 – Lazy Mom’s Day (first Friday of September)
Fri, 3 – Merchant Navy Day
Fri, 3 – Skyscraper Day
Fri, 3 – Welsh Rarebit Day
Sat, 4 – Bacon Day (the Saturday before US Labor Day)
Sat, 4 – (World) Beard Day (first Saturday of September)
Sat, 4 – Eat an Extra Dessert Day
Sat, 4 – Google’s birthday
Sat, 4 – Macadamia Nut Day
Sat, 4 – Newspaper Carrier Day (USA)
Sat, 4 – Tailgating Day (first Saturday of September)
Sat, 4 – (International) Vulture Awareness Day (first Saturday of September)
Sat, 4 – Wildlife Day (USA)
Sun, 5 – Belarusian Written Language Day (first Sunday of September)
Sun, 5 – Be Late for Something Day
Sun, 5 – Brazilian Day
Sun, 5 – (International Day of) Charity
Sun, 5 – Cheese Pizza Day
Sun, 5 – European Day(s) of Jewish Culture
Sun, 5 – Pet Rock Day (first Sunday of September)
Sun, 5 – (World) Samosa Day (see image)
Sun, 5 – Teachers’ Day (India)
Mon, 6 – Bulgaria Unification Day
Mon, 6 – Coffee Ice Cream Day
Mon, 6 – Fight Procrastination Day
Mon, 6 – Mouthguard Day (first Monday of September)
Mon, 6 – New Moon
Mon, 6 – Pola
Mon, 6 – Read a Book Day (recommending my book, PiKu & ViRu, for the occasion! Buy/download, read, and review it here; it’s FREE on Kindle Unlimited)
Mon, 6 – US Labor Day (first Monday of September)
Tue, 7 – Acorn Squash Day
Tue, 7 – Another Look Unlimited Day (the day after US Labor Day)
Tue, 7 – Beer Lovers Day
Tue, 7 – Buy a Book Day (plugging in P&V here again! Buy/download, read, and review it here; it’s FREE on Kindle Unlimited)
Tue, 7 – (International Day of) Clean Air for Blue Skies
Tue, 7 – (World) Duchenne Awareness Day
Tue, 7 – Google Commemoration Day
Tue, 7 – Grateful Patient Day
Tue, 7 – Salami Day
Tue, 7 – Superhuman Day
Tue, 7 – Telephone Tuesday (the day after US Labor Day)
Wed, 8 – Actors’ Day
Wed, 8 – Ampersand Day
Wed, 8 – Iguana Awareness Day
Wed, 8 – (International) Literacy Day
Wed, 8 – Macedonia Independence Day
Wed, 8 – Nativity of Mary
Wed, 8 – Pardon Day
Wed, 8 – Pediatric Hematology/Oncology Nurses’ Day
Wed, 8 – (World) Physical Therapy Day
Wed, 8 – Quiet Day (second Wednesday of September)
Wed, 8 – Star Trek Day
Thu, 9 – Care Bears Share Your Care Day
Thu, 9 – I Love Food Day
Thu, 9 – Jeûne Genevois (Genevan Fast—variable Thursday in September)
Thu, 9 – Komuz Day
Thu, 9 – School Picture Day (second Thursday of September)
Thu, 9 – Steak Au Poivre Day
Thu, 9 – (International) Sudoku Day
Thu, 9 – Teddy Bear Day
Thu, 9 – Wiener Schnitzel Day
Thu, 9 – Wonderful Weirdos Day
Fri, 10 – Ganesh Chaturthi
Fri, 10 – Gibraltar National Day
Fri, 10 – (World) Suicide Prevention Day
Fri, 10 – Swap Ideas Day
Fri, 10 – TV Dinner Day
Sat, 11 – Catalonia National Day
Sat, 11 – (International) Drive Your Studebaker Day (second Saturday of September)
Sat, 11 – Enkutatash, a.k.a. Ethiopian New Year
Sat, 11 – (World) First-Aid Day (second Saturday of September)
Sat, 11 – Hot Cross Bun Day
Sat, 11 – Make Your Bed Day
Sat, 11 – No News is Good News Day
Sat, 11 – Patriot Day
Sat, 11 – 20 Years of 9/11
Sat, 11 OR Sun, 12 – German Language Day
Sun, 12 – Chocolate Milkshake Day
Sun, 12 – Grandparents’ Day
Sun, 12 – Hug and High 5 Day
Sun, 12 – Hug Your Hound Day (second Sunday of September)
Sun, 12 – Just One Human Family Day
Sun, 12 – National Day of Encouragement (USA)
Sun, 12 – Pet Memorial Day (second Sunday of September)
Sun, 12 – Report Medicare Fraud Day
Sun, 12 – Video Games Day
Mon, 13 – Bald is Beautiful Day
Mon, 13 – Boss/Employee Exchange Day (the Monday after US Labor Day)
Mon, 13 – Celiac Awareness Day
Mon, 13 – Defy Superstition Day
Mon, 13 – Hug Your Boss Day
Mon, 13 – Kids Take Over the Kitchen Day
Mon, 13 – Peanut Day
Mon, 13 – Positive Thinking Day
Mon, 13 – Programmers’ Day
Mon, 13 – Roald Dahl Day
Mon, 13 – Supernatural Day
Mon, 13 – Uncle Sam Day
Tue, 14 – Ants on a Log Day (second Tuesday of September)
Tue, 14 – Coloring Day
Tue, 14 – (International) Crab Fest Day
Tue, 14 – Cream-Filled Donut Day
Tue, 14 – Eat a Hoagie Day
Tue, 14 – Feast of the Cross
Tue, 14 – Gobstopper Day
Tue, 14 – Hindi Diwas
Tue, 14 – Live Creative Day
Tue, 14 – Sober Day
Wed, 15 – (World) Afro Day
Wed, 15 – Butterscotch Cinnamon Pie Day
Wed, 15 – Cheese Toast Day
Wed, 15 – Crème de Menthe Day
Wed, 15 – (International Day of) Democracy
Wed, 15 – (International) Dot Day
Wed, 15 – Double Cheeseburger Day
Wed, 15 – Engineers’ Day (India)
Wed, 15 – Felt Hat Day
Wed, 15 – Greenpeace Day
Wed, 15 – Linguine Day
Wed, 15 – Make a Hat Day
Wed, 15 – Online Learning Day
Wed, 15 – Serbian Unity, Freedom and National Flag Day
Wed, 15 – Tackle Kids Cancer Day
Thu, 16 – Choose Your Chocolate Day
Thu, 16 – Cinnamon–Raisin Bread Day
Thu, 16 – Collect Rocks Day
Thu, 16 – Guacamole Day
Thu, 16 – Malaysia Day
Thu, 16 – Mexico Independence Day
Thu, 16 – (World) Ozone Day
Thu, 16 – Pawpaw Day (third Thursday of September)
Thu, 16 – Play-Doh Day
Thu, 16 – Stepfamily Day
Thu, 16 – Teenager Workout Day
Thu, 16 – Working Parents Day
Fri, 17 – Apple Dumpling Day
Fri, 17 – Australian Citizenship Day
Fri, 17 – Concussion Awareness Day
Fri, 17 – (International) Country Music Day
Fri, 17 – Grenache Day (third Friday of September)
Fri, 17 – Hunger Action Day
Fri, 17 – Monte Cristo Sandwich Day
Fri, 17 – (World) Patient Safety Day
Fri, 17 – Pet Bird Day
Fri, 17 – Professional House Cleaners Day
Fri, 17 – Table Shuffleboard Day
Fri, 17 – Tradesmen Day (third Friday of September)
Sat, 18 – Batman Day (third Saturday of September)
Sat, 18 – Big Whopper Liar Day (third Saturday of September)
Sat, 18 – (World) Cleanup Day (third Saturday of September)
Sat, 18 – Coastal Cleanup Day (third Saturday of September)
Sat, 18 – Cheeseburger Day
Sat, 18 – Dance Day (USA—third Saturday of September)
Sat, 18 – Eat an Apple Day (third Saturday of September)
Sat, 18 – First Love Day
Sat, 18 – Gymnastics Day (third Saturday of September)
Sat, 18 – HIV/AIDS and Aging Awareness Day
Sat, 18 – Hug a Greeting Card Writer Day
Sat, 18 – Locate an Old Friend Day (third Saturday of September)
Sat, 18 – Puppy Mill Awareness Day (third Saturday of September)
Sat, 18 – Read an Ebook Day (another excuse for me to plug in P&V, hehe; buy/download, read, and review it here; it’s FREE on Kindle Unlimited)
Sat, 18 – (International) Red Panda Day (third Saturday of September) (see image)
Sat, 18 – Respect Day
Sat, 18 – Rice Krispie Treat Day
Sat, 18 – Software Freedom Day (third Saturday of September)
Sat, 18 – (World) Water Monitoring Day
Sun, 19 – Anant Chaturdashi
Sun, 19 – Butterscotch Pudding Day
Sun, 19 – Meow Like a Pirate Day
Sun, 19 – Talk Like a Pirate Day
Sun, 19 – Wife Appreciation Day (third Sunday of September)
Sun, 19 – Women’s Friendship Day (third Sunday of September)
Mon, 20 – Fried Rice Day
Mon, 20 – Full Moon
Mon, 20 – Pepperoni Pizza Day
Mon, 20 – Punch Day
Mon, 20 – Queso Day
Mon, 20 – Respect for the Aged Day (third Monday of September)
Mon, 20 – String Cheese Day
Mon, 20 – (International Day of) University Sport
Tue, 21 – (World) Alzheimer’s Day
Tue, 21 – Chai Day
Tue, 21 – Escapology Day
Tue, 21 – Get Ready Day (third Tuesday of September)
Tue, 21 – (World) Gratitude Day
Tue, 21 – IT Professionals Day (third Tuesday of September)
Tue, 21 – Mid-Autumn Festival (Chinese)
Tue, 21 – Miniature Golf Day
Tue, 21 – (National) New York Day (USA)
Tue, 21 – (International Day of) Peace (& Non-Violence—UN)
Tue, 21 – Pecan Cookie Day
Wed, 22 – (World) Car-Free Day
Wed, 22 – Centenarian’s Day
Wed, 22 – Chainmail Day
Wed, 22 – Dear Diary Day (read: How I completed #500DaysOfJournaling, despite the pandemic)
Wed, 22 – Elephant Appreciation Day
Wed, 22 – Equinox
Wed, 22 – (National) Girls’ Night in Day (USA)
Wed, 22 – Hobbit Day
Wed, 22 – Ice Cream Cone Day
Wed, 22 – Legwear Day
Wed, 22 – Mabon
Wed, 22 – OneWebDay
Wed, 22 – Online Recovery Day
Wed, 22 – (International Day of) Radiant Peace
Wed, 22 – (World) Rhino Day
Wed, 22 – Rose Day (Welfare of Cancer Patients)
Wed, 22 – Temperature Control Day
Wed, 22 – White Chocolate Day
Wed, 22 OR Thu, 23 – Falls Prevention Awareness Day
Thu, 23 – Celebrate Bisexuality Day
Thu, 23 – Checkers Day, a.k.a. Dogs in Politics Day
Thu, 23 – Great American Pot Pie Day
Thu, 23 – Innergize Day (the day after the September Equinox)
Thu, 23 – Remember Me Thursday (third Thursday of September)
Thu, 23 – Restless Leg Awareness Day
Thu, 23 – (International Day of) Sign Languages
Thu, 23 – Snack Stick Day
Thu, 23 – Teal Talk Day
Thu, 23 – Za’atar Day
Fri, 24 – (World) Bollywood Day
Fri, 24 – Brave Day (fourth Friday of September)
Fri, 24 – Cherries Jubilee Day
Fri, 24 – German Butterbrot Day, a.k.a. German Sandwich Day (last Friday of September)
Fri, 24 – Hug a Vegetarian Day (fourth Friday of September)
Fri, 24 – Lash Stylists’ Day
Fri, 24 – Love Note Day (fourth Friday of September—read: 8 writing exercises for the truly romantic)
Fri, 24 – Punctuation Day
Sat, 25 – Binge Day
Sat, 25 – Comic Book Day
Sat, 25 – Cooking Day
Sat, 25 – (World) Dream Day
Sat, 25 – Hunting and Fishing Day (fourth Saturday of September)
Sat, 25 – Lobster Day
Sat, 25 – Math Storytelling Day
Sat, 25 – One-Hit Wonder Day
Sat, 25 – (World) Pharmacists Day
Sat, 25 – Psychotherapy Day
Sat, 25 – Quesadilla Day
Sat, 25 – (International) Rabbit Day (fourth Saturday of September)
Sat, 25 – Research Administrator Day
Sat, 25 – Save Your Photos Day (last Saturday of September)
Sat, 25 – Tune-up Day
Sat, 25 – World’s Biggest Coffee Morning
Sun, 26 – Better Breakfast Day
Sun, 26 – Chimichanga Day
Sun, 26 – Compliance Officer Day
Sun, 26 – (World) Contraception Day
Sun, 26 – Daughters’ Day (fourth Sunday of September)
Sun, 26 – (World) Deaf Day (last Sunday of September)
Sun, 26 – Dumpling Day
Sun, 26 – European Day of Languages
Sun, 26 – Human Resource Professional Day
Sun, 26 – Johnny Appleseed Day
Sun, 26 – Lumberjack Day
Sun, 26 – Mesothelioma Awareness Day
Sun, 26 – Pancake Day
Sun, 26 – (World) Rivers Day (fourth Sunday of September) (see image)
Sun, 26 – Situational Awareness Day
Sun, 26 – (International Day for the) Total Elimination of Nuclear Weapons
Mon, 27 – Ancestor Appreciation Day
Mon, 27 – Chocolate Milk Day
Mon, 27 – Corned Beef Hash Day
Mon, 27 – Crush a Can Day
Mon, 27 – Family Day (USA—fourth Monday of September)
Mon, 27 – French Community Day
Mon, 27 – Gay Men’s HIV/AIDS Awareness Day
Mon, 27 – No Excuses Day
Mon, 27 – Scarf Day
Mon, 27 – Morning Show Hosts Day
Mon, 27 – (World) Tourism Day
Tue, 28 – Drink Beer Day
Tue, 28 – Good Neighbor Day
Tue, 28 – (International) Poke Day
Tue, 28 – (World) Rabies Day
Tue, 28 – Strawberry Cream Pie Day
Tue, 28 – (International Day for) Universal Access to Information
Tue, 28 OR Wed, 29 – Confucius Day
Tue, 28 OR Thu, 30 – Ask a Stupid Question Day
Wed, 29 – Attend Your Grandchild’s Birthday Day
Wed, 29 – (International Day of) Awareness on Food Loss and Waste Reduction
Wed, 29 – Biscotti Day
Wed, 29 – Coffee Day (USA)
Wed, 29 – (World) Heart Day
Wed, 29 – Michaelmas
Wed, 29 – Starbucks Day
Wed, 29 – Women’s Health and Fitness Day (last Wednesday of September)
Thu, 30 – Blasphemy Day
Thu, 30 – Chewing Gum Day
Thu, 30 – Extra Virgin Olive Oil Day
Thu, 30 – Hot Mulled Cider Day
Thu, 30 – Love People Day
Thu, 30 – (World) Maritime Day
Thu, 30 – Mud Pack Day
Thu, 30 – Orange Shirt Day (Canada)
Thu, 30 – (International) Podcast Day
Thu, 30 – Rumi Day
Thu, 30 – Thunderbirds Day
Thu, 30 – (International) Translation Day
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