Moon · September 2027
Moon calendar for Ontario, California, United States: September 2027
Daily moon phases, illumination, moonrise and moonset in Ontario, California, United States for September 2027. Full moon: September 15, 2027. All times are shown in the local time of Ontario, California, United States.
Full moonWednesday, September 15, 2027, 8:52 PM
New moonWednesday, September 29, 2027, 5:45 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Crescent | 2% | 7:25 AM | 8:11 PM |
| 2 | Waxing Crescent | 6% | 8:23 AM | 8:26 PM |
| 3 | Waxing Crescent | 13% | 9:34 AM | 9:21 PM |
| 4 | Waxing Crescent | 21% | 10:26 AM | 9:39 PM |
| 5 | Waxing Crescent | 30% | 11:38 AM | 10:22 PM |
| 6 | First Quarter | 40% | 12:29 PM | 11:20 PM |
| 7 | First Quarter | 50% | 1:39 PM | 11:59 PM |
| 8 | First Quarter | 60% | 2:26 PM | — |
| 9 | Waxing Gibbous | 69% | 3:31 PM | 12:45 AM |
| 10 | Waxing Gibbous | 77% | 4:01 PM | 1:40 AM |
| 11 | Waxing Gibbous | 85% | 4:27 PM | 2:38 AM |
| 12 | Waxing Gibbous | 91% | 5:14 PM | 3:40 AM |
| 13 | Waxing Gibbous | 96% | 5:37 PM | 4:30 AM |
| 14 | Waxing Gibbous | 99% | 5:56 PM | 5:36 AM |
| 15 | Full Moon | 100% | 6:24 PM | 6:25 AM |
| 16 | Full Moon | 99% | 6:35 PM | 7:33 AM |
| 17 | Waning Gibbous | 97% | 7:28 PM | 8:23 AM |
| 18 | Waning Gibbous | 92% | 7:43 PM | 9:34 AM |
| 19 | Waning Gibbous | 86% | 8:23 PM | 10:26 AM |
| 20 | Waning Gibbous | 77% | 9:13 PM | 11:39 AM |
| 21 | Waning Gibbous | 67% | 9:55 PM | 12:47 PM |
| 22 | Last Quarter | 56% | 10:57 PM | 1:51 PM |
| 23 | Last Quarter | 45% | — | 2:44 PM |
| 24 | Waning Crescent | 33% | 12:15 AM | 3:39 PM |
| 25 | Waning Crescent | 23% | 1:31 AM | 4:22 PM |
| 26 | Waning Crescent | 14% | 2:27 AM | 5:08 PM |
| 27 | Waning Crescent | 7% | 3:43 AM | 5:34 PM |
| 28 | Waning Crescent | 2% | 4:51 AM | 6:10 PM |
| 29 | New Moon | 0% | 6:11 AM | 6:26 PM |
| 30 | New Moon | 1% | 7:23 AM | 7:19 PM |
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Frequently asked questions
When is the full moon in September 2027 in Ontario, California, United States?
The full moon peaks on Wednesday, September 15, 2027, 8:52 PM (local time).
When is the new moon in September 2027?
The new moon falls on Wednesday, September 29, 2027, 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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