Moon · September 2026
Moon calendar for Portland, Maine, United States: September 2026
Daily moon phases, illumination, moonrise and moonset in Portland, Maine, United States for September 2026. Full moon: September 26, 2026. All times are shown in the local time of Portland, Maine, United States.
Full moonSaturday, September 26, 2026, 5:33 PM
New moonThursday, September 10, 2026, 8:18 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 79% | 8:28 PM | 11:34 AM |
| 2 | Waning Gibbous | 69% | 9:21 PM | 12:46 PM |
| 3 | Last Quarter | 57% | 9:50 PM | 2:12 PM |
| 4 | Last Quarter | 46% | 10:38 PM | 3:34 PM |
| 5 | Waning Crescent | 34% | 11:58 PM | 4:25 PM |
| 6 | Waning Crescent | 23% | — | 5:29 PM |
| 7 | Waning Crescent | 14% | 1:27 AM | 5:52 PM |
| 8 | Waning Crescent | 7% | 2:29 AM | 6:22 PM |
| 9 | Waning Crescent | 2% | 4:02 AM | 6:38 PM |
| 10 | New Moon | 0% | 5:29 AM | 7:20 PM |
| 11 | New Moon | 1% | 6:26 AM | 7:33 PM |
| 12 | Waxing Crescent | 3% | 7:40 AM | 7:43 PM |
| 13 | Waxing Crescent | 8% | 8:39 AM | 8:13 PM |
| 14 | Waxing Crescent | 14% | 9:56 AM | 8:26 PM |
| 15 | Waxing Crescent | 22% | 11:11 AM | 9:07 PM |
| 16 | Waxing Crescent | 30% | 12:16 PM | 9:38 PM |
| 17 | Waxing Crescent | 39% | 1:37 PM | 10:20 PM |
| 18 | First Quarter | 49% | 2:07 PM | 11:19 PM |
| 19 | First Quarter | 58% | 2:41 PM | — |
| 20 | Waxing Gibbous | 67% | 3:35 PM | 12:09 AM |
| 21 | Waxing Gibbous | 76% | 4:05 PM | 1:17 AM |
| 22 | Waxing Gibbous | 83% | 4:25 PM | 2:15 AM |
| 23 | Waxing Gibbous | 90% | 4:43 PM | 3:29 AM |
| 24 | Waxing Gibbous | 95% | 5:25 PM | 4:22 AM |
| 25 | Waxing Gibbous | 99% | 5:37 PM | 5:35 AM |
| 26 | Full Moon | 100% | 5:49 PM | 6:30 AM |
| 27 | Full Moon | 99% | 6:18 PM | 7:47 AM |
| 28 | Waning Gibbous | 96% | 6:28 PM | 9:19 AM |
| 29 | Waning Gibbous | 90% | 7:18 PM | 10:24 AM |
| 30 | Waning Gibbous | 82% | 7:43 PM | 11:44 AM |
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Frequently asked questions
When is the full moon in September 2026 in Portland, Maine, United States?
The full moon peaks on Saturday, September 26, 2026, 5:33 PM (local time).
When is the new moon in September 2026?
The new moon falls on Thursday, September 10, 2026, 8:18 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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