Moon · September 2026
Moon calendar for Ontario, California, United States: September 2026
Daily moon phases, illumination, moonrise and moonset in Ontario, California, United States for September 2026. Full moon: September 26, 2026. All times are shown in the local time of Ontario, 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% | 9:31 PM | 11:31 AM |
| 2 | Waning Gibbous | 67% | 10:03 PM | 12:26 PM |
| 3 | Last Quarter | 56% | 10:41 PM | 1:45 PM |
| 4 | Last Quarter | 44% | 11:48 PM | 2:57 PM |
| 5 | Waning Crescent | 33% | — | 4:03 PM |
| 6 | Waning Crescent | 22% | 1:02 AM | 4:48 PM |
| 7 | Waning Crescent | 13% | 2:18 AM | 5:37 PM |
| 8 | Waning Crescent | 6% | 3:35 AM | 6:18 PM |
| 9 | Waning Crescent | 2% | 4:29 AM | 6:34 PM |
| 10 | New Moon | 0% | 5:44 AM | 7:27 PM |
| 11 | New Moon | 1% | 6:42 AM | 7:37 PM |
| 12 | Waxing Crescent | 4% | 7:52 AM | 8:13 PM |
| 13 | Waxing Crescent | 9% | 8:51 AM | 8:26 PM |
| 14 | Waxing Crescent | 15% | 9:55 AM | 9:19 PM |
| 15 | Waxing Crescent | 23% | 10:54 AM | 9:39 PM |
| 16 | Waxing Crescent | 31% | 11:54 AM | 10:21 PM |
| 17 | First Quarter | 40% | 12:44 PM | 11:20 PM |
| 18 | First Quarter | 50% | 1:43 PM | — |
| 19 | First Quarter | 59% | 2:27 PM | 12:00 AM |
| 20 | Waxing Gibbous | 68% | 3:27 PM | 12:48 AM |
| 21 | Waxing Gibbous | 77% | 3:48 PM | 1:47 AM |
| 22 | Waxing Gibbous | 84% | 4:24 PM | 2:35 AM |
| 23 | Waxing Gibbous | 91% | 4:45 PM | 3:46 AM |
| 24 | Waxing Gibbous | 96% | 5:32 PM | 4:35 AM |
| 25 | Waxing Gibbous | 99% | 5:44 PM | 5:48 AM |
| 26 | Full Moon | 100% | 6:20 PM | 6:43 AM |
| 27 | Waning Gibbous | 99% | 6:32 PM | 7:56 AM |
| 28 | Waning Gibbous | 95% | 7:29 PM | 9:15 AM |
| 29 | Waning Gibbous | 89% | 7:52 PM | 10:18 AM |
| 30 | Waning Gibbous | 81% | 8:30 PM | 11:34 AM |
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Frequently asked questions
When is the full moon in September 2026 in Ontario, 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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