| Date | Day | Type |
|---|---|---|
| Sep 1 | Wed | Business Day |
| Sep 2 | Thu | Business Day |
| Sep 3 | Fri | Business Day |
| Sep 4 | Sat | Weekend |
| Sep 5 | Sun | Weekend |
| Sep 6 | Mon | Holiday — Labor Day |
| Sep 7 | Tue | Business Day |
| Sep 8 | Wed | Business Day |
| Sep 9 | Thu | Business Day |
| Sep 10 | Fri | Business Day |
| Sep 11 | Sat | Weekend |
| Sep 12 | Sun | Weekend |
| Sep 13 | Mon | Business Day |
| Sep 14 | Tue | Business Day |
| Sep 15 | Wed | Business Day |
| Sep 16 | Thu | Business Day |
| Sep 17 | Fri | Business Day |
| Sep 18 | Sat | Weekend |
| Sep 19 | Sun | Weekend |
| Sep 20 | Mon | Business Day |
| Sep 21 | Tue | Business Day |
| Sep 22 | Wed | Business Day |
| Sep 23 | Thu | Business Day |
| Sep 24 | Fri | Business Day |
| Sep 25 | Sat | Weekend |
| Sep 26 | Sun | Weekend |
| Sep 27 | Mon | Business Day |
| Sep 28 | Tue | Business Day |
| Sep 29 | Wed | Business Day |
| Sep 30 | Thu | Business Day |
Planning Tips for September 2027
With 22 business days, September 2027 is one of the longer working months — ideal for scheduling extended projects or training programs. Note that Labor Day falls this month — if you're setting contract deadlines or calculating notice periods, remember to exclude this holiday. For payroll processing, most US companies use either 260 annual working days (no holidays) or approximately 250 days (with holidays) to calculate daily rates from annual salaries.
How September 2027 Compares
September has the same number of business days as August 2027 (22 days). Compared to October 2027, it has 1 more business day. In 2026, September has 21 business days — 1 more than 2027.
About September 2027 Business Days
September 2027 has 30 calendar days. Excluding 8 weekend days and Labor Day, there are 22 business days. That translates to 176 working hours (at 8 hours per day) or approximately 4.4 work weeks.
This count applies to the United States — other countries will have different totals due to different public holidays. Use our free calculator to check any date range for 50+ countries including the UK, Canada, Australia, India, Philippines, South Africa and more.
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Frequently Asked Questions
How many business days are in September 2027?
There are 22 business days in September 2027 in the United States, after excluding 8 weekend days and Labor Day. This equals 176 working hours or about 4.4 work weeks.
How many working days in September 2027?
Working days and business days mean the same thing — 22 in September 2027 for the US. Other countries will have different counts based on their public holidays.
Does September 2027 have any public holidays?
Yes — Labor Day.
How many weekends are in September 2027?
September 2027 has 8 weekend days (4 Saturdays and 4 Sundays), leaving 22 business days for work.
How do I calculate business days for different countries?
Use our free business days calculator — it supports 50+ countries with accurate holiday calendars for US, UK, Canada, Australia, India, Philippines, South Africa, Nigeria and more.