Moon · September 2025
Moon calendar for Flagstaff, Arizona, United States: September 2025
Daily moon phases, illumination, moonrise and moonset in Flagstaff, Arizona, United States for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Flagstaff, Arizona, United States.
Full moonSunday, September 7, 2025, 12:53 PM
New moonSunday, September 21, 2025, 9:49 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 65% | 2:31 PM | — |
| 2 | Waxing Gibbous | 74% | 3:36 PM | 12:36 AM |
| 3 | Waxing Gibbous | 82% | 4:20 PM | 1:42 AM |
| 4 | Waxing Gibbous | 89% | 4:51 PM | 2:41 AM |
| 5 | Waxing Gibbous | 95% | 5:36 PM | 3:49 AM |
| 6 | Waxing Gibbous | 99% | 6:03 PM | 5:04 AM |
| 7 | Full Moon | 100% | 6:26 PM | 6:12 AM |
| 8 | Waning Gibbous | 99% | 6:54 PM | 7:27 AM |
| 9 | Waning Gibbous | 95% | 7:34 PM | 8:22 AM |
| 10 | Waning Gibbous | 89% | 7:55 PM | 9:35 AM |
| 11 | Waning Gibbous | 80% | 8:26 PM | 10:39 AM |
| 12 | Waning Gibbous | 70% | 9:27 PM | 12:09 PM |
| 13 | Last Quarter | 58% | 10:13 PM | 1:31 PM |
| 14 | Last Quarter | 47% | 11:53 PM | 2:25 PM |
| 15 | Waning Crescent | 35% | — | 3:35 PM |
| 16 | Waning Crescent | 25% | 12:20 AM | 4:19 PM |
| 17 | Waning Crescent | 16% | 1:35 AM | 4:55 PM |
| 18 | Waning Crescent | 9% | 2:29 AM | 5:33 PM |
| 19 | Waning Crescent | 4% | 3:44 AM | 5:53 PM |
| 20 | New Moon | 1% | 4:40 AM | 6:21 PM |
| 21 | New Moon | 0% | 5:47 AM | 6:32 PM |
| 22 | Waxing Crescent | 1% | 6:38 AM | 7:19 PM |
| 23 | Waxing Crescent | 4% | 7:44 AM | 7:34 PM |
| 24 | Waxing Crescent | 9% | 8:33 AM | 7:59 PM |
| 25 | Waxing Crescent | 15% | 9:41 AM | 8:24 PM |
| 26 | Waxing Crescent | 22% | 10:30 AM | 9:15 PM |
| 27 | Waxing Crescent | 30% | 11:39 AM | 9:47 PM |
| 28 | Waxing Crescent | 39% | 12:27 PM | 10:28 PM |
| 29 | First Quarter | 49% | 1:34 PM | 11:36 PM |
| 30 | First Quarter | 59% | 2:17 PM | — |
Another city or date
Frequently asked questions
When is the full moon in September 2025 in Flagstaff, Arizona, United States?
The full moon peaks on Sunday, September 7, 2025, 12:53 PM (local time).
When is the new moon in September 2025?
The new moon falls on Sunday, September 21, 2025, 9:49 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
More for Flagstaff, Arizona, United States
Near Flagstaff
- Surprise, Arizona, United States
- Peoria, Arizona, United States
- Glendale, Arizona, United States
- Scottsdale, Arizona, United States
- Phoenix, Arizona, United States
- Tempe, Arizona, United States
- Mesa, Arizona, United States
- Gilbert, Arizona, United States
- Chandler, Arizona, United States
- St. George, Utah, United States
- Cedar City, Utah, United States
- Henderson, Nevada, United States