Moon · September 2025
Moon calendar for Kahului, Hawaii, United States: September 2025
Daily moon phases, illumination, moonrise and moonset in Kahului, Hawaii, United States for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Kahului, Hawaii, United States.
Full moonSunday, September 7, 2025, 9:53 AM
New moonSunday, September 21, 2025, 6:49 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 66% | 2:07 PM | 12:28 AM |
| 2 | Waxing Gibbous | 75% | 3:00 PM | 1:34 AM |
| 3 | Waxing Gibbous | 83% | 3:44 PM | 2:23 AM |
| 4 | Waxing Gibbous | 90% | 4:28 PM | 3:32 AM |
| 5 | Waxing Gibbous | 96% | 5:28 PM | 4:22 AM |
| 6 | Full Moon | 99% | 5:48 PM | 5:31 AM |
| 7 | Full Moon | 100% | 6:28 PM | 6:21 AM |
| 8 | Waning Gibbous | 98% | 7:32 PM | 7:29 AM |
| 9 | Waning Gibbous | 94% | 7:42 PM | 8:20 AM |
| 10 | Waning Gibbous | 88% | 8:26 PM | 9:30 AM |
| 11 | Waning Gibbous | 79% | 9:25 PM | 10:22 AM |
| 12 | Waning Gibbous | 68% | 10:08 PM | 11:34 AM |
| 13 | Last Quarter | 57% | 11:04 PM | 12:31 PM |
| 14 | Last Quarter | 45% | — | 1:44 PM |
| 15 | Waning Crescent | 34% | 12:10 AM | 2:42 PM |
| 16 | Waning Crescent | 24% | 1:21 AM | 3:38 PM |
| 17 | Waning Crescent | 15% | 2:21 AM | 4:23 PM |
| 18 | Waning Crescent | 8% | 3:30 AM | 5:21 PM |
| 19 | Waning Crescent | 3% | 4:21 AM | 5:38 PM |
| 20 | New Moon | 1% | 5:21 AM | 6:19 PM |
| 21 | New Moon | 0% | 6:03 AM | 6:35 PM |
| 22 | Waxing Crescent | 1% | 6:39 AM | 7:29 PM |
| 23 | Waxing Crescent | 5% | 7:39 AM | 7:49 PM |
| 24 | Waxing Crescent | 9% | 8:27 AM | 8:22 PM |
| 25 | Waxing Crescent | 16% | 9:33 AM | 9:12 PM |
| 26 | Waxing Crescent | 23% | 10:20 AM | 9:40 PM |
| 27 | Waxing Crescent | 31% | 11:15 AM | 10:25 PM |
| 28 | First Quarter | 41% | 12:03 PM | 11:32 PM |
| 29 | First Quarter | 50% | 12:43 PM | — |
| 30 | First Quarter | 60% | 1:40 PM | 12:20 AM |
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Frequently asked questions
When is the full moon in September 2025 in Kahului, Hawaii, United States?
The full moon peaks on Sunday, September 7, 2025, 9:53 AM (local time).
When is the new moon in September 2025?
The new moon falls on Sunday, September 21, 2025, 6:49 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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