| Wk | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 35 | 1 | ||||||
| 36 | 2 | 3Labor Day | 4 | 5 | 6 | 7 | 8 |
| 37 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 38 | 16 | 17 | 18 | 19 | 20 | 21 | 22Fall Equinox |
| 39 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 39 | 30 |
September 2040 at a Glance
- Working days
- 19 of 30
- Weekend days
- 10
- Day of year
- 245–274
- Quarter
- Q3 · 92 days left in 2040
September 2040 starts on a Saturday and ends on a Sunday. Long weekends this month: Labor Day (Sep 1 – Sep 3, 3 days).
Holidays & Observances in September 2040
US Federal Holidays
- Labor DayMon, Sep 3
Honors American workers on the first Monday of September; the unofficial end of summer.
Public Holidays Around the World in September 2040
Scheduling with teams or family abroad? These countries have public holidays this month.
🇨🇦 Canada holidays 2040
- Labour DayMon, Sep 3
- National Day for Truth and ReconciliationSun, Sep 30
🇯🇵 Japan holidays 2040
- Respect for the Aged DayMon, Sep 17
- Autumnal Equinox DaySat, Sep 22
🇧🇷 Brazil holidays 2040
- Independence DayFri, Sep 7
September 2040 FAQ
How many working days are in September 2040?
September 2040 has 19 working days (Monday–Friday, excluding US federal holidays) out of 30 days, with 10 weekend days.
What holidays are in September 2040?
US federal holidays in September 2040: Labor Day (Mon, Sep 3).
What day of the week does September 2040 start on?
September 1, 2040 is a Saturday, and September 30 is a Sunday. The month covers ISO weeks 35–39.
Make a Printable September 2040 Calendar
Opens the builder on September 2040 so you can add your own events and notes, then export a PDF. Want a ready-made look? Start from a monthly calendar template.
Customize September 2040