Moon · September 2025
Moon calendar for St. George, Utah, United States: September 2025
Daily moon phases, illumination, moonrise and moonset in St. George, Utah, United States for September 2025. Full moon: September 7, 2025. All times are shown in the local time of St. George, Utah, 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% | 3:55 PM | 12:51 AM |
| 2 | Waxing Gibbous | 74% | 4:35 PM | 1:51 AM |
| 3 | Waxing Gibbous | 82% | 5:36 PM | 2:39 AM |
| 4 | Waxing Gibbous | 89% | 5:28 PM | 3:46 AM |
| 5 | Waxing Gibbous | 95% | 6:30 PM | 4:58 AM |
| 6 | Waxing Gibbous | 99% | 7:22 PM | 6:10 AM |
| 7 | Full Moon | 100% | 7:38 PM | 7:27 AM |
| 8 | Waning Gibbous | 99% | 8:10 PM | 8:21 AM |
| 9 | Waning Gibbous | 95% | 8:26 PM | 9:35 AM |
| 10 | Waning Gibbous | 89% | 9:04 PM | 10:35 AM |
| 11 | Waning Gibbous | 80% | 9:37 PM | 12:05 PM |
| 12 | Waning Gibbous | 70% | 10:19 PM | 1:31 PM |
| 13 | Last Quarter | 59% | 11:18 PM | 2:28 PM |
| 14 | Last Quarter | 47% | — | 3:45 PM |
| 15 | Waning Crescent | 36% | 12:15 AM | 4:36 PM |
| 16 | Waning Crescent | 25% | 1:28 AM | 5:36 PM |
| 17 | Waning Crescent | 16% | 2:25 AM | 6:15 PM |
| 18 | Waning Crescent | 9% | 3:41 AM | 6:30 PM |
| 19 | Waning Crescent | 4% | 4:41 AM | 7:18 PM |
| 20 | New Moon | 1% | 5:55 AM | 7:33 PM |
| 21 | New Moon | 0% | 6:57 AM | 7:41 PM |
| 22 | New Moon | 1% | 7:58 AM | 8:17 PM |
| 23 | Waxing Crescent | 4% | 8:53 AM | 8:27 PM |
| 24 | Waxing Crescent | 9% | 9:53 AM | 9:10 PM |
| 25 | Waxing Crescent | 15% | 10:48 AM | 9:35 PM |
| 26 | Waxing Crescent | 22% | 11:52 AM | 10:12 PM |
| 27 | Waxing Crescent | 30% | 12:45 PM | 10:50 PM |
| 28 | Waxing Crescent | 39% | 1:46 PM | 11:39 PM |
| 29 | First Quarter | 49% | 2:30 PM | — |
| 30 | First Quarter | 58% | 3:34 PM | 12:28 AM |
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Frequently asked questions
When is the full moon in September 2025 in St. George, Utah, 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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