Moon Phases in Seattle
Moonrise, Moonset, Phase, Illumination and Age for September2031
Today's Moon
Calculated for 2026-01-31
- Moonrise
- 15:42
- Phase
- Waxing Gibbous
- Age of Moon
- 11.7 days
- Moonset
- 07:15
- Illumination
- 90%
- Next Full Moon
- 2026-02-01
Today's Sun
Calculated for 2026-01-31
- Sunrise
- 07:34
- Sunset
- 17:10
- Day Length
- 9h 35m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Sep 1 Mon | 19:40 | 06:58 | Full Moon | 100% | 14.1 days | 387453 km |
| Sep 2 Tue | 20:08 | 08:15 | Waning Gibbous | 100% | 15.1 days | 391194 km |
| Sep 3 Wed | 20:37 | 09:29 | Waning Gibbous | 98% | 16.1 days | 394935 km |
| Sep 4 Thu | 21:08 | 10:41 | Waning Gibbous | 94% | 17.1 days | 398456 km |
| Sep 5 Fri | 21:42 | 11:50 | Waning Gibbous | 88% | 18.1 days | 401490 km |
| Sep 6 Sat | 22:19 | 12:54 | Waning Gibbous | 80% | 19.1 days | 403750 km |
| Sep 7 Sun | 23:03 | 13:53 | Waning Gibbous | 71% | 20.1 days | 404965 km |
| Sep 8 Mon | 23:51 | 14:45 | Last Quarter | 61% | 21.1 days | 404920 km |
| Sep 9 Tue | - | 15:32 | Last Quarter | 50% | 22.1 days | 403502 km |
| Sep 10 Wed | 00:43 | 16:11 | Last Quarter | 40% | 23.1 days | 400719 km |
| Sep 11 Thu | 01:40 | 16:46 | Waning Crescent | 30% | 24.1 days | 396718 km |
| Sep 12 Fri | 02:39 | 17:17 | Waning Crescent | 21% | 25.1 days | 391772 km |
| Sep 13 Sat | 03:40 | 17:44 | Waning Crescent | 13% | 26.1 days | 386255 km |
| Sep 14 Sun | 04:43 | 18:09 | Waning Crescent | 6% | 27.1 days | 380600 km |
| Sep 15 Mon | 05:46 | 18:33 | Waning Crescent | 2% | 28.1 days | 375248 km |
| Sep 16 Tue | 06:51 | 18:57 | New Moon | 0% | 29.1 days | 370608 km |
| Sep 17 Wed | 07:57 | 19:23 | Waxing Crescent | 0% | 0.6 days | 367007 km |
| Sep 18 Thu | 09:05 | 19:51 | Waxing Crescent | 3% | 1.6 days | 364670 km |
| Sep 19 Fri | 10:13 | 20:22 | Waxing Crescent | 7% | 2.6 days | 363699 km |
| Sep 20 Sat | 11:22 | 21:00 | Waxing Crescent | 14% | 3.6 days | 364073 km |
| Sep 21 Sun | 12:29 | 21:45 | Waxing Crescent | 22% | 4.6 days | 365665 km |
| Sep 22 Mon | 13:32 | 22:38 | First Quarter | 31% | 5.6 days | 368262 km |
| Sep 23 Tue | 14:29 | 23:40 | First Quarter | 41% | 6.6 days | 371600 km |
| Sep 24 Wed | 15:18 | - | First Quarter | 52% | 7.6 days | 375397 km |
| Sep 25 Thu | 16:00 | 00:49 | First Quarter | 63% | 8.6 days | 379393 km |
| Sep 26 Fri | 16:36 | 02:03 | Waxing Gibbous | 73% | 9.6 days | 383374 km |
| Sep 27 Sat | 17:09 | 03:19 | Waxing Gibbous | 81% | 10.6 days | 387190 km |
| Sep 28 Sun | 17:38 | 04:35 | Waxing Gibbous | 89% | 11.6 days | 390757 km |
| Sep 29 Mon | 18:06 | 05:51 | Waxing Gibbous | 95% | 12.6 days | 394043 km |
| Sep 30 Tue | 18:35 | 07:05 | Waxing Gibbous | 98% | 13.6 days | 397040 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.