Moon calendar for September 2025
The moon calendar for September 2025: the lunar day and the Moon's phase for every date, with a description and what each day suits.
| Date | Lunar day | Moon phase | % |
|---|---|---|---|
| September 1 | Lunar day 9 | First Quarter | 62% |
| September 2 | Lunar day 10 | Waxing Gibbous | 72% |
| September 3 | Lunar day 11 | Waxing Gibbous | 81% |
| September 4 | Lunar day 12 | Waxing Gibbous | 89% |
| September 5 | Lunar day 13 | Waxing Gibbous | 95% |
| September 6 | Lunar day 14 | Full Moon | 98% |
| September 7 | Lunar day 15 | Full Moon | 100% |
| September 8 | Lunar day 16 | Full Moon | 99% |
| September 9 | Lunar day 17 | Full Moon | 96% |
| September 10 | Lunar day 18 | Waning Gibbous | 92% |
| September 11 | Lunar day 19 | Waning Gibbous | 85% |
| September 12 | Lunar day 20 | Waning Gibbous | 76% |
| September 13 | Lunar day 21 | Last Quarter | 67% |
| September 14 | Lunar day 22 | Last Quarter | 56% |
| September 15 | Lunar day 23 | Last Quarter | 46% |
| September 16 | Lunar day 24 | Last Quarter | 35% |
| September 17 | Lunar day 25 | Waning Crescent | 26% |
| September 18 | Lunar day 26 | Waning Crescent | 17% |
| September 19 | Lunar day 27 | Waning Crescent | 10% |
| September 20 | Lunar day 28 | Waning Crescent | 4% |
| September 21 | Lunar day 29 | New Moon | 1% |
| September 22 | Lunar day 1 | New Moon | 0% |
| September 23 | Lunar day 2 | New Moon | 1% |
| September 24 | Lunar day 3 | Waxing Crescent | 5% |
| September 25 | Lunar day 4 | Waxing Crescent | 10% |
| September 26 | Lunar day 5 | Waxing Crescent | 17% |
| September 27 | Lunar day 6 | Waxing Crescent | 26% |
| September 28 | Lunar day 7 | First Quarter | 36% |
| September 29 | Lunar day 8 | First Quarter | 46% |
| September 30 | Lunar day 9 | First Quarter | 57% |
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