September 2025 at a Glance
September 2025 has 30 days. It begins on a Monday and ends on a Tuesday, with 4 Saturdays and 4 Sundays.
| Information | Details |
|---|---|
| Month | September |
| Month Number | 9 |
| Year | 2025 |
| Total Days | 30 |
| Weeks | 4 weeks + 2 days |
| Calendar Weeks (rows) | 5 |
| Weekdays | 22 |
| Weekend Days | 8 |
| Mondays | 5 |
| Tuesdays | 5 |
| Wednesdays | 4 |
| Thursdays | 4 |
| Fridays | 4 |
| Saturdays | 4 |
| Sundays | 4 |
| Month Starts | Monday |
| Month Ends | Tuesday |
| Quarter | Q3 (Jul to Sep) |
| Days Passed | 30 |
| Days Remaining | 0 |
| Month Completed | 100% (completed) |
| Total Holidays | 0 |
← August 2025 · Full 2025 calendar · US holidays · October 2025 →
Holidays and Long Weekends in September 2025
There are no US federal holidays or major state observances in September 2025. This makes it a good month for uninterrupted work planning, project deadlines, and personal focus time.
Week Numbers in September 2025
September 2025 spans ISO weeks 36 through 40.
| ISO week | Dates in September | Days | Working days |
|---|---|---|---|
| Week 36 | September 1 to 7 | 7 | 5 |
| Week 37 | September 8 to 14 | 7 | 5 |
| Week 38 | September 15 to 21 | 7 | 5 |
| Week 39 | September 22 to 28 | 7 | 5 |
| Week 40 | September 29 to 30 | 2 | 2 |
How Many Working Days Are in September 2025?
September 2025 has 30 days in total: 22 weekdays and 8 weekend days. No US federal holiday falls on a weekday this month, so all 22 weekdays are working days.
The month begins on a Monday and ends on a Tuesday. It falls in Q3, the third quarter of 2025.
Weekend Dates in September 2025
Saturdays fall on September 6, 13, 20 and 27. Sundays fall on September 7, 14, 21 and 28. That gives 8 weekend days to plan around. There are five Mondays and Tuesdays in September 2025.
September 2025 Calendar Layout
The calendar above runs 30 days from September 1, a Monday, to September 30, a Tuesday, and fills 5 calendar rows. The same dates land on the same weekdays in September 2008, September 2014, September 2031 and September 2036, so those months print as an identical grid. Holiday dates still move, so check the holiday list on this page before reusing one.
Download the September 2025 calendar as a PDF for printing or a PNG for screens. Both fit US Letter and A4 without changing margins. No sign up, no watermark, no email.
USA Holidays and Observances – September 2025
No holidays listed for this period.
September 2025 Calendar FAQ
How many days are in September 2025?
September 2025 has 30 days. It runs from September 1 (a Monday) to September 30 (a Tuesday).
What day of the week is September 1, 2025?
September 1, 2025 falls on a Monday.
How many weekends are in September 2025?
September 2025 has 8 weekend days: 4 Saturdays and 4 Sundays. Saturdays fall on September 6, 13, 20 and 27. Sundays fall on September 7, 14, 21 and 28.
How many working days are in September 2025?
September 2025 has 22 weekdays. No US federal holiday falls on a weekday, so all 22 weekdays are working days.
What holidays are in September 2025?
There are no US federal holidays in September 2025. State and regional observances for September 2025 are listed in the holidays table on this page.
Which week numbers cover September 2025?
September 2025 starts in ISO week 36 and ends in ISO week 40.
Does any other year have the same September calendar as 2025?
Yes. September 2025 starts on a Monday and has 30 days, which is the same layout as September 2008, September 2014, September 2031 and September 2036. The dates line up with the same weekdays, so the grid is identical. Holiday dates can still differ.
Is the September 2025 calendar free to download?
Yes. The September 2025 calendar downloads free as a PDF or a PNG. There is no sign up, no watermark, and no email required.
