| Wk | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 35 | 1 | 2 | 3 | 4 | |||
| 36 | 5 | 6Labor Day | 7 | 8 | 9 | 10 | 11 |
| 37 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 38 | 19 | 20 | 21 | 22Fall Equinox | 23 | 24 | 25 |
| 39 | 26 | 27 | 28 | 29 | 30 |
September 2021 at a Glance
- Working days
- 21 of 30
- Weekend days
- 8
- Day of year
- 244–273
- Quarter
- Q3 · 92 days left in 2021
September 2021 starts on a Wednesday and ends on a Thursday. Long weekends this month: Labor Day (Sep 4 – Sep 6, 3 days).
Holidays & Observances in September 2021
US Federal Holidays
- Labor DayMon, Sep 6
Honors American workers on the first Monday of September; the unofficial end of summer.
Public Holidays Around the World in September 2021
Scheduling with teams or family abroad? These countries have public holidays this month.
🇨🇦 Canada holidays 2021
- Labour DayMon, Sep 6
- National Day for Truth and ReconciliationThu, Sep 30
🇯🇵 Japan holidays 2021
- Respect for the Aged DayMon, Sep 20
- Autumnal Equinox DayThu, Sep 23
🇨🇳 China holidays 2021
- Mid-Autumn FestivalTue, Sep 21
🇧🇷 Brazil holidays 2021
- Independence DayTue, Sep 7
September 2021 FAQ
How many working days are in September 2021?
September 2021 has 21 working days (Monday–Friday, excluding US federal holidays) out of 30 days, with 8 weekend days.
What holidays are in September 2021?
US federal holidays in September 2021: Labor Day (Mon, Sep 6).
What day of the week does September 2021 start on?
September 1, 2021 is a Wednesday, and September 30 is a Thursday. The month covers ISO weeks 35–39.
Make a Printable September 2021 Calendar
Opens the builder on September 2021 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 2021