September 2024 Calendar

A little planning can make a big impact. Our September 2024 briefing includes a printable calendar of popular holidays and occasions, consumer insights, and marketing resources to get you on your way. 

July Calendar featured cherry pie

Photo offered for free use by Aaron Burden on Unsplash

September 2024 Holidays & Observances

Baby Safety Month#BSM #BabySafetyMonth
National Suicide Prevention Month #SuicideIsPreventable #800273TALK #LetItOut
1SuGur-Gaddi Guru Granth Sahib - Sikh#GuruGranthSahib
National No Rhyme Nor Reason Day#NoRhymeNoReasonDay
National College Colors Day#CollegeColorsDay
2M🇺🇸Labor Day#LaborDay
3TuU.S. Bowling League Day#BowlingLeagueDay
4WNational Wildlife Day#WildLifeDay
World Sexual Health Day#SexualHealthDay
5Th🌎International Day of Charity #InternationalDayofCharity
6FNational Read a Book Day#ReadABookDay
Krishna Janmashtami (also known as Jayanti) - Hindu#krishnajanmashtami #krishna #radhakrishna
7Sa🌎International Day of Clean Air for Blue Skies#OzoneDay #Ozone #WorldOzoneDay
National Beer Lovers Day#NationalBeerLoversDay #BeerLoversDay
World Beard Day#WorldBeardDay
8Su🌎International Literacy Day#InternationalLiteracyDay #LiteracyDay
National Assisted Living Week (Sept. 8 - 14)#NALW
National Grandparents Day#GrandparentsDay #DoSomethingGrand #TakeAGrandie
9M🌎International Day to Protect Education from Attack#Safe4Learning
National Sudoku Day#Sudoku #SudokuDay
10TuWorld Suicide Prevention Day#WSPSD #WorldSuicidePreventionDay #SuicidePrevention
11WPatriot Day#911Day
12Th🌎United Nations Day for South-South Cooperation#SouthSouthCooperation
National Day of Civic Hacking#NationalDayofCivicHacking
National Video Games Day#VideoGamesDay
National Day of Encouragement#NationalDayofEncouragement
13FNational Celiac Disease Awareness Day#NationalCeliacAwarenessDay
Stand Up to Cancer Day#StandUptoCancer
15Su🌎International Day of Democracy#DemocracyDay #Democracy
First Day of Hispanic Heritage Month (Sept. 15 - Oct. 15)#HispanicHeritageMonth #NHHM
Wife Appreciation Day#WifeAppreciationDay
16M🌎International Day for the Preservation of the Ozone Layer#WorldOzoneDay
Mawlid Al-Nabi - Islamic#mawlid
National Working Parents Day#NationalWorkingParentsDay
17Tu🌎World Patient Safety Day#WorldPatientSafetyDay #PatientSafetyDay
Constitution Day and Citizenship Day#NewUSCitizen #ConstitutionDay #CitizenshipDay
​National Voter Registration Day#NationalVoterRegistrationDay #RegisterToVote
18W🌎International Equal Pay Day#EqualPayDay
19ThTalk Like a Pirate Day#TalkLikeAPirateDay
Ganesh Chaturthi - Hindu#GaneshChaturthi
National Dance Day#NationalDanceDay
21Sa🌎International Day of Peace#DayofPeace
Miniature Golf Day#MiniatureGolfDay
Oktoberfest (Sept. 21 - Oct. 6)#Octoberfest
22SuAutumnal Equinox#AutumnEquinox
Car-Free Day#CarFreeDay #WorldCarFreeDay
Hobbit Day#HobbitDay
23M🌎International Day of Sign Languages#SignLanguagesDay
Bi Visibility Day#BisexualityDay #BiVisibilityDay #BiDay
25WNational Cooking Day#CookingDay #NationalCookingDay
National Women’s Health and Fitness Day#WomensHealthFitnessDay
26Th🌎International Day for the Total Elimination of Nuclear Weapons#NuclearWeaponFree #NukesAgainstHumanity #YouthAgainstNukes #NukeFreeFuture
European Day of Languages#EuropeanDayofLanguages
🌎World Maritime Day#WorldMaritimeDay
27F🌎World Tourism Day#WTD2020
Mawlid al-Nabi (also known as Milad al-Nabi) - Islamic (Sunni)#mawlidalnabi
28Sa🌎International Day for Universal Access to Information#AccessToInfoDay
National Good Neighbor Day#GoodNeighborDay
National Public Lands Day#NPSVolunteer #FindYourPark #NPLD
National Hunting and Fishing Day#NationalHuntingAndFishingDay
World Rabies Day#WorldRabiesDay
29Su🌎International Day of Awareness of Food Loss and Waste#IDAFLW
World Heart Day#WorldHeartDay
30M🌎International Translation Day#InternationalTranslationDay #TranslationDay
International Podcast Day#InternationalPodcastDay
🇺🇸United States Federal Holiday
🌎United Nations Observance

About September

September is the 9th month of the year and the 1st month of fall. Leaves turn color, acorns drop, the days get cooler and shorter. It’s magically sweater weather.

Top Consumer Spending Events

Back to College and Back to School shopping wind down on Labor Day weekend. These two top consumer spending events come in 2nd and 3rd on the National Retail Federation’s (NRF) list of top annual consumer spending events, right after the winter holidays.

Once September 1st rolls around, we see that plans for celebrating Halloween begin ramping steadily up. Halloween comes in 10th on NRF’s list.

View the planners below for insights and resources:

Back to College

Back to College

2nd largest consumer spending event of the year //Every summer, college-bound students start preparing for their return to class. Shopping for essentials begins gaining momentum after the 4th of July and runs through Labor Day with electronics and computer related...

read more
Back to School

Back to School

3rd largest consumer spending event of the year //Ramping up in July and running through Labor Day weekend, Back to School is now nearly a 3-month season of families and students shopping for everything from pencils and three-ring binders, to new shoes, fall clothing,...

read more


9th largest consumer spending event of the year //Halloween brings out the kid in all of us with an opportunity to disguise ourselves in costumes and indulge in sweet treats. Each year manufacturers, retailers, and consumers find bigger and better ways to get in the...

read more

September Symbology

Playing off September symbology is a great way to offer personalized birthday gifts.

  • September’s birthstone is the sapphire.
  • Its birth flowers are the forget-me-not, morning glory, and aster.
  • The zodiac signs for the month of September are Virgo (maiden) until September 21 and Libra (scales) September 22 onwards.
The boughs of the oak are roaring inside the acorn.
– Charles Tomlinson

Printable September 2024 Calendar with Holidays

Click to download and print a PDF of the September calendar with all holidays and occasions listed above.

If you embed on your site, we simply ask for credit and a link back →  Printable September Calendar with Holidays by Annum. 

Regarding the Holidays and Occasions We Have Chosen

Our goal in creation of these calendars is to make marketing planning easier. So, in order to keep things simple we have chosen to focus on the top 12 consumer spending events as identified by the National Retail Federation; U.S. Federal Holidays; significant religious, ethnic, and cultural holidays that represent the diversity of the U.S. population as identified by ADL; and popular hashtag holidays that provide an opportunity for a natural business tie-in.

If you are interested in finding more occasions to commemorate here are a few resources:

Note that Bahá’í, Jewish, and Islamic holidays begin at sundown the previous day and end at sundown on the date listed.

Plans spread across a hodgepodge of printed calendars and spreadsheets?

Struggling to get a clear view of everything in market? We've been there and we believe that plans siloed by channel, project, and campaign, are holding marketers back from delivering cohesive and compelling omnichannel customer experiences that drive more revenue.

That's why we founded Annum.

Month View

Annum Omnichannel Marketing Calendar month view

Timeline View

Annum Omnichannel Marketing Calendar month view

Annum's Integrated Marketing Planning Calendar

Bring all channels, content, online and offline tactics into one unified view. Filter by campaign, target audience segment, and more to identify gaps and opportunities and build stronger integrated plans. Annum serves as a historical plan of record so you can learn, adapt, and optimize your efforts. 

Stay focused and on schedule with your marketing efforts.
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