September 2028
30 daysStarts Friday, ends Saturday20 working days9 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 4 · Federal
- National Grandparents DaySun, Sep 10 · Federal
- Patriot DayMon, Sep 11 · Federal
Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 3 religious dates fall in September 2028 as well — see the calendar with every holiday.
Moon phases
- Full MoonSun, Sep 3, 7:47 PM
- Last QuarterTue, Sep 12, 8:45 PM
- New MoonMon, Sep 18, 2:23 PM
- First QuarterMon, Sep 25, 9:09 AM
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 2028
September 2028 has 30 days. It begins on a Friday and ends on a Saturday, which gives the month five Fridays and Saturdays — and only four of every other weekday. Of its 21 weekdays, 1 is a federal holiday, leaving 20 working days.
Labor Day falls on Monday, September 4, 2028. National Grandparents Day falls on Sunday, September 10, 2028. Patriot Day falls on Monday, September 11, 2028.
The September equinox falls on Friday, September 22, 2028, the 22nd of the month.
The month runs from Friday, September 1, 2028 to Saturday, September 30, 2028, spanning ISO weeks 35 to 39.