Click on the September holidays listed in blue for more details.
| Holidays | Date | Details |
|---|---|---|
| Labor Day 2020 | Sep 7 - Monday | Federal Holiday |
| International Literacy Day 2020 | Sep 8 - Tuesday | Global |
| Patriot Day 2020 | Sep 11 - Friday | Observance |
| National Grandparents Day 2020 | Sep 13 - Sunday | Observance |
| International Day of Democracy 2020 | Sept 15 - Tuesday | Global |
| Constitution Citizenship Day 2020 | Sep 17 - Thursday | Observance |
| National POW/MIA Recognition Day 2020 | Sep 18 - Friday | Observance |
| Rosh Hashanah 2020 | Sep 19 - Saturday | Jewish |
| Fall/ Spring - September equinox 2020 | Sep 22 - Tuesday | Season |
| World Maritime Day 2020 | Sep 24 - Thursday | Global |
| Gold Star Mother's Day 2020 | Sep 27 - Sunday | Observance |
| Yom Kippur 2020 | Sep 28 - Monday | Jewish |
