September
- Suicide Prevention Month
- Amerindian Heritage Month (Guyana)
- Gospel Music Heritage Month
- National African Immigrant Heritage Month
- National Bourbon Heritage Month
- National Childhood Cancer Awareness Month
- National Guide Dog Month (US)
- National Hispanic Heritage Month (United States) (US; September 15 to October 15)
- National Honey Month
- National Preparedness Month
- National Prostate Health Month
- Pain Awareness Month