September 2021 Moon Phases Calendar

This calendar will show you the changing phases of the Moon in the month of september 2021.

September 2021 Moon Phases

September 2021 Full Moon

The September Full Moon falls on September 20

September 2021 New Moon

The September New Moon falls on September 7

September 2021 Half Moon

These are the dates for the Half Moons in september

  • First Quarter Moon: September 13
  • Last Quarter Moon: September 29

This table shows the moon phase for each day in september 2021, click on each day to get more info:

Date Moon Phase Moon Visibility
September 1 Waning Crescent 33.16%
September 2 Waning Crescent 24.41%
September 3 Waning Crescent 16.46%
September 4 Waning Crescent 9.67%
September 5 Waning Crescent 4.41%
September 6 Waning Crescent 1.07%
September 7 New Moon 0%
September 8 Waxing Crescent 1.43%
September 9 Waxing Crescent 5.42%
September 10 Waxing Crescent 11.82%
September 11 Waxing Crescent 20.31%
September 12 Waxing Crescent 30.37%
September 13 First Quarter 41.42%
September 14 Waxing Gibbous 52.83%
September 15 Waxing Gibbous 64.01%
September 16 Waxing Gibbous 74.38%
September 17 Waxing Gibbous 83.43%
September 18 Waxing Gibbous 90.75%
September 19 Waxing Gibbous 96.04%
September 20 Full Moon 99.12%
September 21 Waning Gibbous 99.99%
September 22 Waning Gibbous 98.72%
September 23 Waning Gibbous 95.5%
September 24 Waning Gibbous 90.57%
September 25 Waning Gibbous 84.2%
September 26 Waning Gibbous 76.66%
September 27 Waning Gibbous 68.22%
September 28 Waning Gibbous 59.13%
September 29 Last Quarter 49.66%
September 30 Waning Crescent 40.08%
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