September 2040 calendar
September 2040 starts on a Saturday and has 20 weekdays. The autumn equinox is on Saturday 22 September.
Bank holidayTodayWk = ISO week number
September 2040
| Wk | Mo | Tu | We | Th | Fr | Sa | Su |
|---|
| 35 | | | | | | 1 | 2 |
|---|
| 36 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|
| 37 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
|---|
| 38 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|
| 39 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|
Key dates in September 2040
| Date | Occasion |
|---|
| Sat 22 Sep | Autumn equinox |
Schools in England, Wales and Northern Ireland usually go back in the first week of September. See school term dates.
September 2040 in numbers
- 30 days, from Saturday 1 September 2040 to Sunday 30 September 2040: days 245 to 274 of the year.
- 20 weekdays and 10 weekend days.
- 20 working days in England and Wales, 20 in Scotland and 20 in Northern Ireland.
- ISO weeks 35 to 39, from Monday 27 August to Sunday 30 September 2040.
- Quarter 3 of 2040.
See the full 2040 calendar, or go to August 2040 or October 2040. Also see the UK bank holidays list and today's week number.
Frequently asked questions
How many working days are in September 2040?
September 2040 has 20 weekdays and no bank holidays in England and Wales, so all 20 are working days.
What week numbers are in September 2040?
September 2040 covers ISO weeks 35 to 39. Week 35 starts on Monday 27 August 2040 and week 39 ends on Sunday 30 September 2040.