September 2025 Calendar
A printable September 2025 calendar with US holidays already marked. Click any date to add a note, then print it or save it as a PDF.
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1Labor Day | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | ||||
- Sep 1 Labor Day
September 2025 at a Glance
September 2025 begins on a Monday and runs for 30 days, finishing on a Tuesday. September opens with Labor Day and brings a new school year, fall sports and busier schedules. September 2025 includes Labor Day on Monday, September 1.
- Days
- 30
- Starts on
- Monday
- Ends on
- Tuesday
- Weekdays
- 22
- Weekend days
- 8
- ISO weeks
- 36 to 40
Holidays in September 2025
- Labor Day: Monday, September 1, 2025 (federal holiday)
September 2025 Calendar Questions
How many days are in September 2025?
September 2025 has 30 days. It starts on Monday, September 1, 2025 and ends on Tuesday, September 30, 2025.
How many working days are in September 2025?
September 2025 has 22 weekdays, Monday through Friday. Taking out Labor Day, that leaves 21 working days for most federal schedules. It also has 8 weekend days.
What holidays are in September 2025?
September 2025 includes Labor Day on Monday, September 1. Federal holidays are marked in the calendar above.
What week numbers fall in September 2025?
Using ISO week numbering, September 2025 covers week 36 through week 40.