Moon phase, moonrise and moonset times in Great Falls, Montana, United States
Current local time 9:08:37 PM (UTC-6)
Today, September 13
- Moonrise9:23 AMMoonset8:37 PM
- Moon PhaseWaxing crescentIlumination8%
Tomorrow, September 14
- Moonrise10:35 AMMoonset9:03 PM
- Moon PhaseWaxing crescentIlumination14%
- New Moon10 September9:27 PM
- First Quarter18 September2:43 PM
- Full Moon26 September10:48 AM
- Third Quarter3 October7:25 AM
- New Moon10 October9:50 AM
September 2026 — Moon in Great Falls
| Icon | Date | Moonrise | Moonset | Moonrise | Moon phase | Illumination | |
|---|---|---|---|---|---|---|---|
| September 1 | Tue | — | 12:18 PM | 10:16 PM | Waning gibbous | 78% | |
| September 2 | Wed | — | 1:29 PM | 10:49 PM | Waning gibbous | 68% | |
| September 3 | Thu | — | 2:38 PM | 11:29 PM | Waning gibbous | 57% | |
| September 4 | Fri | — | 3:43 PM | — | Third quarter | 45% | |
| September 5 | Sat | 12:17 AM | 4:39 PM | — | Waning crescent | 34% | |
| September 6 | Sun | 1:15 AM | 5:27 PM | — | Waning crescent | 24% | |
| September 7 | Mon | 2:19 AM | 6:06 PM | — | Waning crescent | 14% | |
| September 8 | Tue | 3:29 AM | 6:39 PM | — | Waning crescent | 7% | |
| September 9 | Wed | 4:40 AM | 7:06 PM | — | Waning crescent | 2% | |
| September 10 | Thu | 5:51 AM | 7:30 PM | — | New moon | 0% | |
| September 11 | Fri | 7:02 AM | 7:53 PM | — | Waxing crescent | 0% | |
| September 12 | Sat | 8:13 AM | 8:15 PM | — | Waxing crescent | 3% | |
| September 13 | Sun | 9:23 AM | 8:37 PM | — | Waxing crescent | 8% | |
| September 14 | Mon | 10:35 AM | 9:03 PM | — | Waxing crescent | 14% | |
| September 15 | Tue | 11:46 AM | 9:32 PM | — | Waxing crescent | 22% | |
| September 16 | Wed | 12:57 PM | 10:06 PM | — | Waxing crescent | 30% | |
| September 17 | Thu | 2:05 PM | 10:49 PM | — | Waxing crescent | 40% | |
| September 18 | Fri | 3:07 PM | 11:40 PM | — | First quarter | 49% | |
| September 19 | Sat | — | — | 4:01 PM | Waxing gibbous | 58% | |
| September 20 | Sun | — | 12:40 AM | 4:46 PM | Waxing gibbous | 68% | |
| September 21 | Mon | — | 1:46 AM | 5:23 PM | Waxing gibbous | 76% | |
| September 22 | Tue | — | 2:56 AM | 5:54 PM | Waxing gibbous | 84% | |
| September 23 | Wed | — | 4:07 AM | 6:20 PM | Waxing gibbous | 91% | |
| September 24 | Thu | — | 5:19 AM | 6:43 PM | Waxing gibbous | 96% | |
| September 25 | Fri | — | 6:30 AM | 7:05 PM | Waxing gibbous | 99% | |
| September 26 | Sat | — | 7:40 AM | 7:28 PM | Full moon | 100% | |
| September 27 | Sun | — | 8:51 AM | 7:51 PM | Waning gibbous | 99% | |
| September 28 | Mon | — | 10:02 AM | 8:17 PM | Waning gibbous | 95% | |
| September 29 | Tue | — | 11:14 AM | 8:48 PM | Waning gibbous | 89% | |
| September 30 | Wed | — | 12:24 PM | 9:25 PM | Waning gibbous | 80% |
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