Moon · September 2025
Moon calendar for Irvine, California, United States: September 2025
Daily moon phases, illumination, moonrise and moonset in Irvine, California, United States for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Irvine, California, United States.
Full moonSunday, September 7, 2025, 12:53 PM
New moonSunday, September 21, 2025, 9:49 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 65% | 3:09 PM | 12:22 AM |
| 2 | Waxing Gibbous | 74% | 3:50 PM | 1:29 AM |
| 3 | Waxing Gibbous | 82% | 4:29 PM | 2:18 AM |
| 4 | Waxing Gibbous | 89% | 5:30 PM | 3:29 AM |
| 5 | Waxing Gibbous | 95% | 5:49 PM | 4:21 AM |
| 6 | Waxing Gibbous | 99% | 6:25 PM | 5:33 AM |
| 7 | Full Moon | 100% | 6:46 PM | 6:25 AM |
| 8 | Waning Gibbous | 99% | 7:33 PM | 7:37 AM |
| 9 | Waning Gibbous | 95% | 7:49 PM | 8:37 AM |
| 10 | Waning Gibbous | 89% | 8:25 PM | 9:58 AM |
| 11 | Waning Gibbous | 80% | 9:08 PM | 11:24 AM |
| 12 | Waning Gibbous | 70% | 9:43 PM | 12:23 PM |
| 13 | Last Quarter | 58% | 10:28 PM | 1:39 PM |
| 14 | Last Quarter | 47% | 11:40 PM | 2:41 PM |
| 15 | Waning Crescent | 35% | — | 3:19 PM |
| 16 | Waning Crescent | 25% | 12:38 AM | 4:28 PM |
| 17 | Waning Crescent | 16% | 2:01 AM | 5:30 PM |
| 18 | Waning Crescent | 9% | 3:18 AM | 5:50 PM |
| 19 | Waning Crescent | 4% | 4:21 AM | 6:20 PM |
| 20 | New Moon | 1% | 5:30 AM | 6:33 PM |
| 21 | New Moon | 0% | 6:22 AM | 7:22 PM |
| 22 | Waxing Crescent | 1% | 7:28 AM | 7:34 PM |
| 23 | Waxing Crescent | 4% | 8:18 AM | 7:59 PM |
| 24 | Waxing Crescent | 9% | 9:19 AM | 8:23 PM |
| 25 | Waxing Crescent | 15% | 10:11 AM | 8:58 PM |
| 26 | Waxing Crescent | 22% | 11:09 AM | 9:36 PM |
| 27 | Waxing Crescent | 30% | 12:01 PM | 10:20 PM |
| 28 | Waxing Crescent | 39% | 12:50 PM | 11:20 PM |
| 29 | First Quarter | 49% | 1:44 PM | — |
| 30 | First Quarter | 59% | 2:27 PM | 12:09 AM |
Another city or date
Frequently asked questions
When is the full moon in September 2025 in Irvine, California, United States?
The full moon peaks on Sunday, September 7, 2025, 12:53 PM (local time).
When is the new moon in September 2025?
The new moon falls on Sunday, September 21, 2025, 9:49 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
More for Irvine, California, United States
Near Irvine
- Santa Ana, California, United States
- Costa Mesa, California, United States
- Garden Grove, California, United States
- Huntington Beach, California, United States
- Anaheim, California, United States
- Fullerton, California, United States
- Corona, California, United States
- Long Beach, California, United States
- Pomona, California, United States
- Ontario, California, United States
- Torrance, California, United States
- Rancho Cucamonga, California, United States