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September 2028 Calendar

September 2028 with US holidays, observances and moon phases. Print it as a PDF in US Letter or A4.

In short

September 2028 starts on a Friday and has 30 days, 21 of them weekdays. Federal: Labor Day (Mon, Sep 4). Also: Rosh Hashanah (Thu, Sep 21) and Yom Kippur (Sat, Sep 30). Full moon: Sun, Sep 3, 7:48 PM EDT.

September 2028PDF · US LetterA4Week starts on Sunday · Monday start: US Letter · A4
Printable September 2028 calendar with holidays
This is how the PDF looks · open
September 2028
SundaySunMondayMonTuesdayTueWednesdayWedThursdayThuFridayFriSaturdaySat
12
3Full Moon 7:48 PM4Labor Day56789
1011Last Quarter 8:46 PM1213141516
1718New Moon 2:24 PM192021Rosh Hashanah2223
2425First Quarter 9:10 AM2627282930Yom Kippur

Holidays in September 2028

Moon phases in September 2028

  • 09/03SunFull Moon7:48 PM EDT
  • 09/11MonLast Quarter8:46 PM EDT
  • 09/18MonNew Moon2:24 PM EDT
  • 09/25MonFirst Quarter9:10 AM EDT

Eastern Time. All moon phases

Questions

What day does September 2028 start on?

September 1, 2028 is a Friday; September 30, 2028 is a Saturday.

What holidays are in September 2028?

Labor Day (Mon, Sep 4); Rosh Hashanah (Thu, Sep 21); Yom Kippur (Sat, Sep 30).

How many working days are in September 2028?

20 working days: 21 weekdays minus 1 federal day off.

Source: U.S. Office of Personnel Management: Federal Holidays, U.S. Naval Observatory: Astronomical Applications · Updated: November 2026 · How the calendars are made

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