Moon · September 2025
Moon calendar for Ann Arbor, Michigan, United States: September 2025
Daily moon phases, illumination, moonrise and moonset in Ann Arbor, Michigan, United States for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Ann Arbor, Michigan, United States.
Full moonSunday, September 7, 2025, 3:53 PM
New moonSunday, September 21, 2025, 12:49 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 64% | 4:15 PM | 12:26 AM |
| 2 | Waxing Gibbous | 73% | 5:05 PM | 1:33 AM |
| 3 | Waxing Gibbous | 81% | 5:42 PM | 2:23 AM |
| 4 | Waxing Gibbous | 89% | 6:21 PM | 3:35 AM |
| 5 | Waxing Gibbous | 94% | 6:37 PM | 4:31 AM |
| 6 | Waxing Gibbous | 98% | 7:27 PM | 5:48 AM |
| 7 | Full Moon | 100% | 7:38 PM | 7:15 AM |
| 8 | Full Moon | 99% | 8:01 PM | 8:20 AM |
| 9 | Waning Gibbous | 96% | 8:23 PM | 9:35 AM |
| 10 | Waning Gibbous | 89% | 8:35 PM | 10:40 AM |
| 11 | Waning Gibbous | 81% | 9:27 PM | 12:15 PM |
| 12 | Waning Gibbous | 71% | 9:50 PM | 1:38 PM |
| 13 | Last Quarter | 60% | 10:28 PM | 2:51 PM |
| 14 | Last Quarter | 48% | 11:38 PM | 4:10 PM |
| 15 | Waning Crescent | 37% | — | 5:15 PM |
| 16 | Waning Crescent | 26% | 12:38 AM | 5:47 PM |
| 17 | Waning Crescent | 17% | 2:09 AM | 6:23 PM |
| 18 | Waning Crescent | 10% | 3:31 AM | 6:42 PM |
| 19 | Waning Crescent | 4% | 4:27 AM | 7:27 PM |
| 20 | Waning Crescent | 1% | 5:43 AM | 7:35 PM |
| 21 | New Moon | 0% | 6:42 AM | 7:56 PM |
| 22 | New Moon | 1% | 7:53 AM | 8:14 PM |
| 23 | Waxing Crescent | 4% | 8:57 AM | 8:24 PM |
| 24 | Waxing Crescent | 8% | 10:03 AM | 8:36 PM |
| 25 | Waxing Crescent | 14% | 11:09 AM | 9:29 PM |
| 26 | Waxing Crescent | 21% | 12:11 PM | 9:45 PM |
| 27 | Waxing Crescent | 29% | 1:16 PM | 10:24 PM |
| 28 | Waxing Crescent | 38% | 2:08 PM | 11:28 PM |
| 29 | First Quarter | 48% | 2:52 PM | — |
| 30 | First Quarter | 58% | 3:40 PM | 12:16 AM |
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Frequently asked questions
When is the full moon in September 2025 in Ann Arbor, Michigan, United States?
The full moon peaks on Sunday, September 7, 2025, 3:53 PM (local time).
When is the new moon in September 2025?
The new moon falls on Sunday, September 21, 2025, 12:49 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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