Moon · September 2026
Moon calendar for New Haven, Connecticut, United States: September 2026
Daily moon phases, illumination, moonrise and moonset in New Haven, Connecticut, United States for September 2026. Full moon: September 26, 2026. All times are shown in the local time of New Haven, Connecticut, 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% | 8:51 PM | 11:35 AM |
| 2 | Waning Gibbous | 69% | 9:35 PM | 12:39 PM |
| 3 | Last Quarter | 57% | 10:17 PM | 2:12 PM |
| 4 | Last Quarter | 46% | 11:23 PM | 3:33 PM |
| 5 | Waning Crescent | 34% | — | 4:24 PM |
| 6 | Waning Crescent | 23% | 12:20 AM | 5:29 PM |
| 7 | Waning Crescent | 14% | 1:39 AM | 5:55 PM |
| 8 | Waning Crescent | 7% | 2:59 AM | 6:24 PM |
| 9 | Waning Crescent | 2% | 4:20 AM | 6:47 PM |
| 10 | New Moon | 0% | 5:36 AM | 7:29 PM |
| 11 | New Moon | 1% | 6:31 AM | 7:37 PM |
| 12 | Waxing Crescent | 3% | 7:47 AM | 8:02 PM |
| 13 | Waxing Crescent | 8% | 8:56 AM | 8:22 PM |
| 14 | Waxing Crescent | 14% | 10:08 AM | 8:57 PM |
| 15 | Waxing Crescent | 22% | 11:18 AM | 9:31 PM |
| 16 | Waxing Crescent | 30% | 12:15 PM | 9:54 PM |
| 17 | Waxing Crescent | 39% | 1:18 PM | 10:30 PM |
| 18 | First Quarter | 49% | 2:10 PM | 11:35 PM |
| 19 | First Quarter | 58% | 2:44 PM | — |
| 20 | Waxing Gibbous | 67% | 3:36 PM | 12:23 AM |
| 21 | Waxing Gibbous | 76% | 4:12 PM | 1:33 AM |
| 22 | Waxing Gibbous | 83% | 4:27 PM | 2:24 AM |
| 23 | Waxing Gibbous | 90% | 5:01 PM | 3:35 AM |
| 24 | Waxing Gibbous | 95% | 5:33 PM | 4:28 AM |
| 25 | Waxing Gibbous | 99% | 5:42 PM | 5:39 AM |
| 26 | Full Moon | 100% | 6:13 PM | 6:42 AM |
| 27 | Full Moon | 99% | 6:25 PM | 8:01 AM |
| 28 | Waning Gibbous | 96% | 6:50 PM | 9:26 AM |
| 29 | Waning Gibbous | 90% | 7:34 PM | 10:25 AM |
| 30 | Waning Gibbous | 82% | 8:13 PM | 11:32 AM |
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Frequently asked questions
When is the full moon in September 2026 in New Haven, Connecticut, 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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