September 2021 Calendar Calculator
September 2021
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
2
3
4
5
6 Labor Day
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 Start of Fall
23
24
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30
About September 2021
September 2021 marks the beginning of autumn in the Northern Hemisphere. This month features several important dates:
- Labor Day (September 6): A federal holiday celebrating the achievements of American workers
- Autumnal Equinox (September 22): The official start of fall, when day and night are nearly equal in length
Calendar Facts
- Number of days: 30
- First day: Wednesday
- Last day: Thursday
- Number of weekends: 8 days
- Number of working days: 21 days