Moon · September 2026
Moon calendar for Fairfield, California, United States: September 2026
Daily moon phases, illumination, moonrise and moonset in Fairfield, California, United States for September 2026. Full moon: September 26, 2026. All times are shown in the local time of Fairfield, California, United States.
Full moonSaturday, September 26, 2026, 2:33 PM
New moonThursday, September 10, 2026, 5:45 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 77% | 9:34 PM | 11:47 AM |
| 2 | Waning Gibbous | 67% | 10:09 PM | 1:16 PM |
| 3 | Last Quarter | 56% | 10:44 PM | 2:21 PM |
| 4 | Last Quarter | 44% | 11:50 PM | 3:37 PM |
| 5 | Waning Crescent | 33% | — | 4:28 PM |
| 6 | Waning Crescent | 22% | 1:07 AM | 5:34 PM |
| 7 | Waning Crescent | 13% | 2:20 AM | 6:12 PM |
| 8 | Waning Crescent | 6% | 3:38 AM | 6:30 PM |
| 9 | Waning Crescent | 2% | 4:40 AM | 7:22 PM |
| 10 | New Moon | 0% | 6:05 AM | 7:35 PM |
| 11 | New Moon | 1% | 7:20 AM | 7:58 PM |
| 12 | Waxing Crescent | 4% | 8:20 AM | 8:21 PM |
| 13 | Waxing Crescent | 9% | 9:31 AM | 8:38 PM |
| 14 | Waxing Crescent | 15% | 10:23 AM | 9:29 PM |
| 15 | Waxing Crescent | 23% | 11:34 AM | 9:46 PM |
| 16 | Waxing Crescent | 31% | 12:24 PM | 10:24 PM |
| 17 | First Quarter | 40% | 1:33 PM | 11:25 PM |
| 18 | First Quarter | 50% | 2:20 PM | — |
| 19 | First Quarter | 59% | 3:12 PM | 12:07 AM |
| 20 | Waxing Gibbous | 68% | 3:42 PM | 1:03 AM |
| 21 | Waxing Gibbous | 77% | 4:22 PM | 2:01 AM |
| 22 | Waxing Gibbous | 84% | 4:38 PM | 3:05 AM |
| 23 | Waxing Gibbous | 91% | 5:29 PM | 4:07 AM |
| 24 | Waxing Gibbous | 96% | 5:40 PM | 5:16 AM |
| 25 | Waxing Gibbous | 99% | 6:11 PM | 6:14 AM |
| 26 | Full Moon | 100% | 6:26 PM | 7:27 AM |
| 27 | Waning Gibbous | 99% | 6:47 PM | 8:21 AM |
| 28 | Waning Gibbous | 95% | 7:33 PM | 9:35 AM |
| 29 | Waning Gibbous | 89% | 8:00 PM | 10:37 AM |
| 30 | Waning Gibbous | 81% | 8:32 PM | 12:06 PM |
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Frequently asked questions
When is the full moon in September 2026 in Fairfield, California, United States?
The full moon peaks on Saturday, September 26, 2026, 2:33 PM (local time).
When is the new moon in September 2026?
The new moon falls on Thursday, September 10, 2026, 5:45 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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