September 2027
30 daysStarts Wednesday, ends Thursday21 working days8 weekend daysISO weeks 35–39
| ISO week | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 35 | |||||||
| 36 | |||||||
| 37 | |||||||
| 38 | |||||||
| 39 |
Holidays in September
- Labor DayMon, Sep 6 · Federal
- Patriot DaySat, Sep 11 · Federal
- National Grandparents DaySun, Sep 12 · Federal
Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 1 religious date falls in September 2027 as well — see the calendar with every holiday.
Moon phases
- First QuarterTue, Sep 7, 2:31 PM
- Full MoonWed, Sep 15, 7:03 PM
- Last QuarterThu, Sep 23, 6:20 AM
- New MoonThu, Sep 30, 10:36 PM
Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.
The moon through September
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- 15
- 17
- 19
- 21
- 23
- 25
- 27
- 29
- 30
About September 2027
September 2027 has 30 days. It begins on a Wednesday and ends on a Thursday, which gives the month five Wednesdays and Thursdays — and only four of every other weekday. Of its 22 weekdays, 1 is a federal holiday, leaving 21 working days.
Labor Day falls on Monday, September 6, 2027. Patriot Day falls on Saturday, September 11, 2027. National Grandparents Day falls on Sunday, September 12, 2027.
The September equinox falls on Thursday, September 23, 2027, the 23rd of the month.
The month runs from Wednesday, September 1, 2027 to Thursday, September 30, 2027, spanning ISO weeks 35 to 39.