Moon Phases in San Mateo
Moonrise, Moonset, Phase, Illumination and Age for September1983
Today's Moon
Calculated for 2026-02-10
- Moonrise
- 00:23
- Phase
- Last Quarter
- Age of Moon
- 22 days
- Moonset
- 12:21
- Illumination
- 52%
- Next Full Moon
- 2026-03-03
Today's Sun
Calculated for 2026-02-10
- Sunrise
- 06:06
- Sunset
- 18:02
- Day Length
- 11h 56m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Sep 1 Thu | 00:06 | 12:56 | Last Quarter | 38% | 23.3 days | 369301 km |
| Sep 2 Fri | 01:04 | 13:57 | Waning Crescent | 28% | 24.3 days | 368996 km |
| Sep 3 Sat | 02:05 | 14:59 | Waning Crescent | 19% | 25.3 days | 369438 km |
| Sep 4 Sun | 03:09 | 16:00 | Waning Crescent | 11% | 26.3 days | 370694 km |
| Sep 5 Mon | 04:12 | 16:58 | Waning Crescent | 6% | 27.3 days | 372797 km |
| Sep 6 Tue | 05:13 | 17:53 | Waning Crescent | 2% | 28.3 days | 375725 km |
| Sep 7 Wed | 06:11 | 18:43 | New Moon | 0% | 29.3 days | 379392 km |
| Sep 8 Thu | 07:07 | 19:32 | Waxing Crescent | 1% | 0.7 days | 383632 km |
| Sep 9 Fri | 08:00 | 20:19 | Waxing Crescent | 3% | 1.7 days | 388205 km |
| Sep 10 Sat | 08:53 | 21:07 | Waxing Crescent | 8% | 2.7 days | 392806 km |
| Sep 11 Sun | 09:46 | 21:54 | Waxing Crescent | 15% | 3.7 days | 397086 km |
| Sep 12 Mon | 10:38 | 22:42 | Waxing Crescent | 23% | 4.7 days | 400691 km |
| Sep 13 Tue | 11:30 | 23:32 | First Quarter | 33% | 5.7 days | 403297 km |
| Sep 14 Wed | 12:22 | - | First Quarter | 43% | 6.7 days | 404657 km |
| Sep 15 Thu | 13:14 | 00:22 | First Quarter | 54% | 7.7 days | 404630 km |
| Sep 16 Fri | 14:03 | 01:13 | First Quarter | 64% | 8.7 days | 403204 km |
| Sep 17 Sat | 14:51 | 02:03 | Waxing Gibbous | 74% | 9.7 days | 400502 km |
| Sep 18 Sun | 15:37 | 02:52 | Waxing Gibbous | 83% | 10.7 days | 396759 km |
| Sep 19 Mon | 16:19 | 03:40 | Waxing Gibbous | 90% | 11.7 days | 392298 km |
| Sep 20 Tue | 17:01 | 04:26 | Waxing Gibbous | 95% | 12.7 days | 387489 km |
| Sep 21 Wed | 17:41 | 05:11 | Full Moon | 99% | 13.7 days | 382702 km |
| Sep 22 Thu | 18:20 | 05:56 | Waxing Gibbous | 100% | 14.7 days | 378274 km |
| Sep 23 Fri | 19:00 | 06:40 | Waning Gibbous | 99% | 15.7 days | 374478 km |
| Sep 24 Sat | 19:41 | 07:25 | Waning Gibbous | 96% | 16.7 days | 371506 km |
| Sep 25 Sun | 20:24 | 08:12 | Waning Gibbous | 90% | 17.7 days | 369465 km |
| Sep 26 Mon | 21:11 | 09:01 | Waning Gibbous | 83% | 18.7 days | 368383 km |
| Sep 27 Tue | 22:01 | 09:54 | Waning Gibbous | 74% | 19.7 days | 368216 km |
| Sep 28 Wed | 22:56 | 10:49 | Last Quarter | 65% | 20.7 days | 368874 km |
| Sep 29 Thu | 23:54 | 11:48 | Last Quarter | 54% | 21.7 days | 370234 km |
| Sep 30 Fri | - | 12:48 | Last Quarter | 44% | 22.7 days | 372164 km |
* Moon Phase: The shape of the illuminated (sunlit) portion of the Moon as seen by an observer on Earth.
* Illumination: The percentage of the Moon's surface illuminated by the Sun.
* Moon Age: The number of days since the last New Moon.