Skip to content
DateAlmanac

September 2030

  • 30 days
  • Starts Sunday
  • Ends Monday
  • 20 working days
  • 9 weekend days
  • ISO weeks 35–40
Calendar grid for 9/2030, weeks starting Sun
ISO week number, Monday to Sunday
36
37
38
39
40

Holiday or observanceWeekend

Holidays in September

  • Labor DaySep 2
  • National Grandparents DaySep 8
  • Patriot DaySep 11

Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 2 religious dates fall in September 2030 as well — see the calendar with every holiday.

Moon phases

  • First quarter

    Wed, Sep 4

    5:55 PM ET

  • Full moon

    Wed, Sep 11

    5:17 PM ET

  • Last quarter

    Thu, Sep 19

    3:56 PM ET

  • New moon

    Fri, Sep 27

    5:54 AM ET

Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.

The moon through September

  1. 1
  2. 3
  3. 5
  4. 7
  5. 9
  6. 11
  7. 13
  8. 15
  9. 17
  10. 19
  11. 21
  12. 23
  13. 25
  14. 27
  15. 29
  16. 30
The moon every other evening, drawn at its true illumination. The terminator is a semi-ellipse, not a straight edge — it only looks straight at the quarters.

About September 2030

September 2030 has 30 days. It begins on a Sunday and ends on a Monday, which gives the month five Sundays and Mondays — and only four of every other weekday. Of its 21 weekdays, 1 is a federal holiday, leaving 20 working days.

The September equinox falls on Sunday, September 22, 2030, the 22nd of the month.

2030 at a glance

Calendar with holidaysPrintable versionDownload PDFFull year 2030