September 2025 Moon Phases Calendar

This calendar will show you the changing phases of the Moon in the month of september 2025.

September 2025 Moon Phases

September 2025 Full Moon

The September Full Moon falls on September 7

September 2025 New Moon

The September New Moon falls on September 21

September 2025 Half Moon

These are the dates for the Half Moons in september

  • First Quarter Moon: September 29
  • Last Quarter Moon: September 14

This table shows the moon phase for each day in september 2025, click on each day to get more info:

Date Moon Phase Moon Visibility
September 1 Waxing Gibbous 62.24%
September 2 Waxing Gibbous 71.47%
September 3 Waxing Gibbous 80.09%
September 4 Waxing Gibbous 87.69%
September 5 Waxing Gibbous 93.84%
September 6 Waxing Gibbous 98.06%
September 7 Full Moon 99.94%
September 8 Waning Gibbous 99.16%
September 9 Waning Gibbous 95.63%
September 10 Waning Gibbous 89.51%
September 11 Waning Gibbous 81.18%
September 12 Waning Gibbous 71.21%
September 13 Waning Gibbous 60.25%
September 14 Last Quarter 48.92%
September 15 Waning Crescent 37.84%
September 16 Waning Crescent 27.53%
September 17 Waning Crescent 18.45%
September 18 Waning Crescent 10.95%
September 19 Waning Crescent 5.31%
September 20 Waning Crescent 1.67%
September 21 New Moon 0.08%
September 22 Waxing Crescent 0.51%
September 23 Waxing Crescent 2.84%
September 24 Waxing Crescent 6.91%
September 25 Waxing Crescent 12.51%
September 26 Waxing Crescent 19.42%
September 27 Waxing Crescent 27.41%
September 28 Waxing Crescent 36.24%
September 29 First Quarter 45.66%
September 30 Waxing Gibbous 55.43%
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