September 2023 Calendar

A little planning can make a big impact. Our September 2023 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 2023 Holidays & Observances

Baby Safety Month#BSM #BabySafetyMonth
National Suicide Prevention Month#SuicideIsPreventable #800273TALK #LetItOut
1FNational No Rhyme Nor Reason Day#NoRhymeNoReasonDay
National College Colors Day#CollegeColorsDay
2SaWorld Beard Day#WorldBeardDay
3SuU.S. Bowling League Day#BowlingLeagueDay
4M🇺🇸Labor Day#LaborDay
National Wildlife Day#WildLifeDay
World Sexual Health Day#SexualHealthDay
5Tu🌎International Day of Charity#InternationalDayofCharity
6WNational Read a Book Day#ReadABookDay
Krishna Janmashtami (also known as Jayanti) - Hindu#krishnajanmashtami #krishna #radhakrishna
7Th🌎International Day of Clean Air for Blue Skies#OzoneDay #Ozone #WorldOzoneDay
National Beer Lovers Day#NationalBeerLoversDay #BeerLoversDay
8F🌎International Literacy Day#InternationalLiteracyDay #LiteracyDay
Stand Up to Cancer Day#StandUptoCancer
9Sa🌎International Day to Protect Education from Attack#Safe4Learning
National Sudoku Day#Sudoku #SudokuDay
10SuWorld Suicide Prevention Day#WSPSD #WorldSuicidePreventionDay #SuicidePrevention
National Assisted Living Week (Sept. 10 - 16)#NALW
National Grandparents Day#GrandparentsDay #DoSomethingGrand #TakeAGrandie
11MPatriot Day#911Day
12Tu🌎United Nations Day for South-South Cooperation#SouthSouthCooperation
National Video Games Day#VideoGamesDay
National Day of Encouragement#NationalDayofEncouragement
13WNational Celiac Disease Awareness Day#NationalCeliacAwarenessDay
14Th
15F🌎International Day of Democracy#DemocracyDay #Democracy
First Day of Hispanic Heritage Month (Sept. 15 - Oct. 15)#HispanicHeritageMonth #NHHM
Rosh Hashanah - Jewish#RoshHashanah #RoshHashana
16Sa🌎International Day for the Preservation of the Ozone Layer#WorldOzoneDay
National Working Parents Day#NationalWorkingParentsDay
Oktoberfest (Sept. 16 - Oct. 3)#Octoberfest
National Dance Day#NationalDanceDay
17Su🌎World Patient Safety Day#WorldPatientSafetyDay #PatientSafetyDay
Constitution Day and Citizenship Day#NewUSCitizen #ConstitutionDay #CitizenshipDay
Wife Appreciation Day#WifeAppreciationDay
18M🌎International Equal Pay Day#EqualPayDay
National Day of Civic Hacking#NationalDayofCivicHacking
19TuTalk Like a Pirate Day#TalkLikeAPirateDay
Ganesh Chaturthi - Hindu#GaneshChaturthi
#Ganesh
20W
21Th🌎International Day of Peace#DayofPeace
Miniature Golf Day#MiniatureGolfDay
22FCar-Free Day#CarFreeDay #WorldCarFreeDay
Hobbit Day#HobbitDay
23Sa🌎International Day of Sign Languages#SignLanguagesDay
Bi Visibility Day#BisexualityDay #BiVisibilityDay #BiDay
Autumnal Equinox#AutumnEquinox
24SuYom Kippur- Jewish#YomKippur
25MNational Cooking Day#CookingDay #NationalCookingDay
26Tu🌎International Day for the Total Elimination of Nuclear Weapons#NuclearWeaponFree #NukesAgainstHumanity #YouthAgainstNukes #NukeFreeFuture
European Day of Languages#EuropeanDayofLanguages
​National Voter Registration Day#NationalVoterRegistrationDay #RegisterToVote
27W🌎World Tourism Day#WTD2020
National Women’s Health and Fitness Day#WomensHealthFitnessDay
Mawlid al-Nabi (also known as Milad al-Nabi) - Islamic (Sunni)#mawlidalnabi
28Th🌎International Day for Universal Access to Information#AccessToInfoDay
🌎World Maritime Day#WorldMaritimeDay
National Good Neighbor Day#GoodNeighborDay
World Rabies Day#WorldRabiesDay
29F🌎International Day of Awareness of Food Loss and Waste#IDAFLW
World Heart Day#WorldHeartDay
30Sa🌎International Translation Day#InternationalTranslationDay #TranslationDay
International Podcast Day#InternationalPodcastDay
National Hunting and Fishing Day#NationalHuntingAndFishingDay
#HuntingAndFishingDay
National Public Lands Day#NPSVolunteer #FindYourPark #NPLD
Sukkot- Jewish (Sept 29- Oct 6)#Sukkot
🇺🇸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
Halloween

Halloween

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 2023 Calendar

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 →  September Calendar 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.

Stay focused and on schedule with your marketing efforts.

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