September 2027 has 21 business days (US). The month has 30 days: 22 weekdays (Monday–Friday) and 8 weekend days, starting on a Wednesday and ending on a Thursday. 1 federal holiday falls on a weekday.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 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 |
* US federal holiday (observed date)
| US federal holiday | Date |
|---|---|
| Labor Day | Monday, September 6, 2027 |
Hours in September 2027
- 21 business days × 8 h = 168 working hours
- 22 weekdays × 8 h = 176 h before holidays
- Business days in all of 2027: see 2027 calendar facts
Other countries and US states have their own public holidays — subtract them, or use the business days calculator for any custom range.