Moon · September 2026
Moon calendar for Philadelphia, Pennsylvania, United States: September 2026
Daily moon phases, illumination, moonrise and moonset in Philadelphia, Pennsylvania, United States for September 2026. Full moon: September 26, 2026. All times are shown in the local time of Philadelphia, Pennsylvania, 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% | 9:26 PM | 11:37 AM |
| 2 | Waning Gibbous | 69% | 9:43 PM | 12:49 PM |
| 3 | Last Quarter | 57% | 10:24 PM | 2:15 PM |
| 4 | Last Quarter | 46% | 11:34 PM | 3:34 PM |
| 5 | Waning Crescent | 34% | — | 4:25 PM |
| 6 | Waning Crescent | 23% | 12:28 AM | 5:31 PM |
| 7 | Waning Crescent | 14% | 1:52 AM | 6:03 PM |
| 8 | Waning Crescent | 7% | 3:24 AM | 6:26 PM |
| 9 | Waning Crescent | 2% | 4:25 AM | 7:05 PM |
| 10 | New Moon | 0% | 5:41 AM | 7:32 PM |
| 11 | New Moon | 1% | 6:44 AM | 7:43 PM |
| 12 | Waxing Crescent | 3% | 8:01 AM | 8:15 PM |
| 13 | Waxing Crescent | 8% | 9:16 AM | 8:26 PM |
| 14 | Waxing Crescent | 14% | 10:15 AM | 9:07 PM |
| 15 | Waxing Crescent | 22% | 11:26 AM | 9:36 PM |
| 16 | Waxing Crescent | 30% | 12:19 PM | 10:14 PM |
| 17 | Waxing Crescent | 39% | 1:26 PM | 10:46 PM |
| 18 | First Quarter | 49% | 2:13 PM | 11:41 PM |
| 19 | First Quarter | 58% | 2:54 PM | — |
| 20 | Waxing Gibbous | 67% | 3:38 PM | 12:30 AM |
| 21 | Waxing Gibbous | 76% | 4:17 PM | 1:38 AM |
| 22 | Waxing Gibbous | 83% | 4:30 PM | 2:31 AM |
| 23 | Waxing Gibbous | 90% | 5:25 PM | 3:41 AM |
| 24 | Waxing Gibbous | 95% | 5:36 PM | 4:39 AM |
| 25 | Waxing Gibbous | 99% | 5:50 PM | 5:47 AM |
| 26 | Full Moon | 100% | 6:21 PM | 6:59 AM |
| 27 | Full Moon | 99% | 6:30 PM | 8:12 AM |
| 28 | Waning Gibbous | 96% | 7:37 PM | 9:30 AM |
| 29 | Waning Gibbous | 90% | 7:40 PM | 10:27 AM |
| 30 | Waning Gibbous | 82% | 8:21 PM | 11:48 AM |
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Frequently asked questions
When is the full moon in September 2026 in Philadelphia, Pennsylvania, 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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