Moon · September 2026
Moon calendar for Missoula, Montana, United States: September 2026
Daily moon phases, illumination, moonrise and moonset in Missoula, Montana, United States for September 2026. Full moon: September 26, 2026. All times are shown in the local time of Missoula, Montana, United States.
Full moonSaturday, September 26, 2026, 3:33 PM
New moonThursday, September 10, 2026, 6:18 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 78% | 9:32 PM | 12:34 PM |
| 2 | Waning Gibbous | 68% | 9:52 PM | 2:11 PM |
| 3 | Last Quarter | 56% | 10:25 PM | 3:38 PM |
| 4 | Last Quarter | 45% | 11:34 PM | 4:40 PM |
| 5 | Waning Crescent | 33% | — | 5:47 PM |
| 6 | Waning Crescent | 22% | 12:32 AM | 6:28 PM |
| 7 | Waning Crescent | 13% | 2:10 AM | 7:16 PM |
| 8 | Waning Crescent | 7% | 3:36 AM | 7:36 PM |
| 9 | Waning Crescent | 2% | 4:53 AM | 7:45 PM |
| 10 | New Moon | 0% | 6:19 AM | 8:13 PM |
| 11 | New Moon | 1% | 7:36 AM | 8:22 PM |
| 12 | Waxing Crescent | 4% | 8:34 AM | 8:31 PM |
| 13 | Waxing Crescent | 8% | 9:57 AM | 9:05 PM |
| 14 | Waxing Crescent | 15% | 11:21 AM | 9:32 PM |
| 15 | Waxing Crescent | 22% | 12:19 PM | 9:45 PM |
| 16 | Waxing Crescent | 31% | 1:31 PM | 10:22 PM |
| 17 | First Quarter | 40% | 2:22 PM | 11:13 PM |
| 18 | First Quarter | 49% | 3:28 PM | 11:55 PM |
| 19 | First Quarter | 59% | 4:07 PM | — |
| 20 | Waxing Gibbous | 68% | 4:31 PM | 12:50 AM |
| 21 | Waxing Gibbous | 76% | 5:26 PM | 1:59 AM |
| 22 | Waxing Gibbous | 84% | 5:37 PM | 3:15 AM |
| 23 | Waxing Gibbous | 90% | 5:52 PM | 4:17 AM |
| 24 | Waxing Gibbous | 96% | 6:17 PM | 5:32 AM |
| 25 | Waxing Gibbous | 99% | 6:25 PM | 6:26 AM |
| 26 | Full Moon | 100% | 6:34 PM | 7:44 AM |
| 27 | Waning Gibbous | 99% | 7:12 PM | 9:08 AM |
| 28 | Waning Gibbous | 95% | 7:33 PM | 10:21 AM |
| 29 | Waning Gibbous | 89% | 7:50 PM | 11:46 AM |
| 30 | Waning Gibbous | 81% | 8:22 PM | 1:20 PM |
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Frequently asked questions
When is the full moon in September 2026 in Missoula, Montana, United States?
The full moon peaks on Saturday, September 26, 2026, 3:33 PM (local time).
When is the new moon in September 2026?
The new moon falls on Thursday, September 10, 2026, 6:18 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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