Moon · September 2025
Moon calendar for Billings, Montana, United States: September 2025
Daily moon phases, illumination, moonrise and moonset in Billings, Montana, United States for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Billings, Montana, United States.
Full moonSunday, September 7, 2025, 1:53 PM
New moonSunday, September 21, 2025, 10:49 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 65% | 4:13 PM | 12:02 AM |
| 2 | Waxing Gibbous | 74% | 4:57 PM | 12:46 AM |
| 3 | Waxing Gibbous | 82% | 5:39 PM | 1:52 AM |
| 4 | Waxing Gibbous | 89% | 6:15 PM | 3:09 AM |
| 5 | Waxing Gibbous | 95% | 6:28 PM | 4:18 AM |
| 6 | Waxing Gibbous | 99% | 6:59 PM | 5:35 AM |
| 7 | Full Moon | 100% | 7:30 PM | 6:37 AM |
| 8 | Waning Gibbous | 99% | 7:39 PM | 8:07 AM |
| 9 | Waning Gibbous | 95% | 7:56 PM | 9:32 AM |
| 10 | Waning Gibbous | 89% | 8:20 PM | 10:34 AM |
| 11 | Waning Gibbous | 80% | 8:33 PM | 12:13 PM |
| 12 | Waning Gibbous | 70% | 9:25 PM | 1:39 PM |
| 13 | Last Quarter | 59% | 10:02 PM | 3:01 PM |
| 14 | Last Quarter | 47% | 11:01 PM | 4:15 PM |
| 15 | Waning Crescent | 36% | — | 5:19 PM |
| 16 | Waning Crescent | 25% | 12:19 AM | 5:47 PM |
| 17 | Waning Crescent | 16% | 1:36 AM | 6:20 PM |
| 18 | Waning Crescent | 9% | 2:47 AM | 6:32 PM |
| 19 | Waning Crescent | 4% | 4:11 AM | 7:04 PM |
| 20 | New Moon | 1% | 5:33 AM | 7:29 PM |
| 21 | New Moon | 0% | 6:26 AM | 7:35 PM |
| 22 | New Moon | 1% | 7:40 AM | 7:43 PM |
| 23 | Waxing Crescent | 4% | 8:34 AM | 8:07 PM |
| 24 | Waxing Crescent | 9% | 9:48 AM | 8:22 PM |
| 25 | Waxing Crescent | 15% | 10:53 AM | 8:52 PM |
| 26 | Waxing Crescent | 22% | 12:03 PM | 9:29 PM |
| 27 | Waxing Crescent | 30% | 1:10 PM | 9:55 PM |
| 28 | Waxing Crescent | 39% | 2:05 PM | 10:37 PM |
| 29 | First Quarter | 49% | 2:46 PM | 11:42 PM |
| 30 | First Quarter | 58% | 3:38 PM | — |
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Frequently asked questions
When is the full moon in September 2025 in Billings, Montana, United States?
The full moon peaks on Sunday, September 7, 2025, 1:53 PM (local time).
When is the new moon in September 2025?
The new moon falls on Sunday, September 21, 2025, 10:49 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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