Oeiras Sunrise, Sunset and Moon in September 2026
Day length goes from 11 h 59 min on September 1 to 12 h 09 min on September 30. Sunrise moves from 5:49 AM to 5:34 AM and sunset from 5:48 PM to 5:43 PM.
Every day
Dawn and dusk are civil twilight (the sun 6 degrees below the horizon); golden hour starts when the evening sun is 6 degrees up; full dark is astronomical twilight, 18 degrees down. A blank moonrise or moonset means it falls on the next day.
| Date | Dawn | Sunrise | Sunset | Dusk | Golden hour | Full dark | Day length | Change | Moon | Moonrise | Moonset |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1 | 5:28 AM | 5:49 AM | 5:48 PM | 6:09 PM | 5:20 PM | 6:58 PM | 11 h 59 min | Waning gibbous, 78% | 9:36 PM | 8:50 AM | |
| Sep 2 | 5:28 AM | 5:49 AM | 5:48 PM | 6:09 PM | 5:20 PM | 6:57 PM | 11 h 59 min | +0.0 min | Waning gibbous, 69% | 10:33 PM | 9:40 AM |
| Sep 3 | 5:27 AM | 5:48 AM | 5:48 PM | 6:09 PM | 5:20 PM | 6:57 PM | 12 h 00 min | +1.0 min | Last quarter, 59% | 11:34 PM | 10:34 AM |
| Sep 4 | 5:27 AM | 5:48 AM | 5:47 PM | 6:08 PM | 5:20 PM | 6:57 PM | 11 h 59 min | -1.0 min | Last quarter 4:51 AM | 11:33 AM | |
| Sep 5 | 5:26 AM | 5:47 AM | 5:47 PM | 6:08 PM | 5:20 PM | 6:57 PM | 12 h 00 min | +1.0 min | Waning crescent, 38% | 12:37 AM | 12:36 PM |
| Sep 6 | 5:26 AM | 5:47 AM | 5:47 PM | 6:08 PM | 5:19 PM | 6:57 PM | 12 h 00 min | +0.0 min | Waning crescent, 28% | 1:40 AM | 1:40 PM |
| Sep 7 | 5:25 AM | 5:46 AM | 5:47 PM | 6:08 PM | 5:19 PM | 6:56 PM | 12 h 01 min | +1.0 min | Waning crescent, 19% | 2:39 AM | 2:42 PM |
| Sep 8 | 5:25 AM | 5:46 AM | 5:47 PM | 6:08 PM | 5:19 PM | 6:56 PM | 12 h 01 min | +0.0 min | Waning crescent, 11% | 3:34 AM | 3:40 PM |
| Sep 9 | 5:24 AM | 5:45 AM | 5:47 PM | 6:08 PM | 5:19 PM | 6:56 PM | 12 h 02 min | +1.0 min | Waning crescent, 6% | 4:24 AM | 4:35 PM |
| Sep 10 | 5:24 AM | 5:45 AM | 5:46 PM | 6:07 PM | 5:19 PM | 6:56 PM | 12 h 01 min | -1.0 min | Waning crescent, 2% | 5:11 AM | 5:27 PM |
| Sep 11 | 5:23 AM | 5:44 AM | 5:46 PM | 6:07 PM | 5:19 PM | 6:56 PM | 12 h 02 min | +1.0 min | New moon 12:27 AM | 5:54 AM | 6:16 PM |
| Sep 12 | 5:23 AM | 5:44 AM | 5:46 PM | 6:07 PM | 5:19 PM | 6:55 PM | 12 h 02 min | +0.0 min | New moon, 1% | 6:36 AM | 7:04 PM |
| Sep 13 | 5:22 AM | 5:43 AM | 5:46 PM | 6:07 PM | 5:18 PM | 6:55 PM | 12 h 03 min | +1.0 min | Waxing crescent, 4% | 7:18 AM | 7:53 PM |
| Sep 14 | 5:22 AM | 5:42 AM | 5:46 PM | 6:07 PM | 5:18 PM | 6:55 PM | 12 h 04 min | +1.0 min | Waxing crescent, 8% | 8:01 AM | 8:42 PM |
| Sep 15 | 5:21 AM | 5:42 AM | 5:46 PM | 6:06 PM | 5:18 PM | 6:55 PM | 12 h 04 min | +0.0 min | Waxing crescent, 15% | 8:45 AM | 9:32 PM |
| Sep 16 | 5:21 AM | 5:41 AM | 5:45 PM | 6:06 PM | 5:18 PM | 6:55 PM | 12 h 04 min | +0.0 min | Waxing crescent, 24% | 9:32 AM | 10:24 PM |
| Sep 17 | 5:20 AM | 5:41 AM | 5:45 PM | 6:06 PM | 5:18 PM | 6:54 PM | 12 h 04 min | +0.0 min | Waxing crescent, 33% | 10:21 AM | 11:16 PM |
| Sep 18 | 5:19 AM | 5:40 AM | 5:45 PM | 6:06 PM | 5:18 PM | 6:54 PM | 12 h 05 min | +1.0 min | First quarter 5:43 PM | 11:12 AM | |
| Sep 19 | 5:19 AM | 5:40 AM | 5:45 PM | 6:06 PM | 5:17 PM | 6:54 PM | 12 h 05 min | +0.0 min | First quarter, 54% | 12:03 PM | 12:07 AM |
| Sep 20 | 5:18 AM | 5:39 AM | 5:45 PM | 6:06 PM | 5:17 PM | 6:54 PM | 12 h 06 min | +1.0 min | Waxing gibbous, 65% | 12:55 PM | 12:58 AM |
| Sep 21 | 5:18 AM | 5:39 AM | 5:45 PM | 6:05 PM | 5:17 PM | 6:54 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 74% | 1:45 PM | 1:46 AM |
| Sep 22 | 5:17 AM | 5:38 AM | 5:44 PM | 6:05 PM | 5:17 PM | 6:54 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 83% | 2:35 PM | 2:31 AM |
| Sep 23 | 5:17 AM | 5:38 AM | 5:44 PM | 6:05 PM | 5:17 PM | 6:54 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 90% | 3:23 PM | 3:15 AM |
| Sep 24 | 5:16 AM | 5:37 AM | 5:44 PM | 6:05 PM | 5:17 PM | 6:53 PM | 12 h 07 min | +1.0 min | Waxing gibbous, 96% | 4:10 PM | 3:56 AM |
| Sep 25 | 5:16 AM | 5:36 AM | 5:44 PM | 6:05 PM | 5:16 PM | 6:53 PM | 12 h 08 min | +1.0 min | Waxing gibbous, 99% | 4:57 PM | 4:37 AM |
| Sep 26 | 5:15 AM | 5:36 AM | 5:44 PM | 6:05 PM | 5:16 PM | 6:53 PM | 12 h 08 min | +0.0 min | Full moon 1:49 PM | 5:45 PM | 5:18 AM |
| Sep 27 | 5:15 AM | 5:35 AM | 5:44 PM | 6:05 PM | 5:16 PM | 6:53 PM | 12 h 09 min | +1.0 min | Waning gibbous, 99% | 6:36 PM | 6:01 AM |
| Sep 28 | 5:14 AM | 5:35 AM | 5:44 PM | 6:04 PM | 5:16 PM | 6:53 PM | 12 h 09 min | +0.0 min | Waning gibbous, 96% | 7:30 PM | 6:46 AM |
| Sep 29 | 5:13 AM | 5:34 AM | 5:43 PM | 6:04 PM | 5:16 PM | 6:53 PM | 12 h 09 min | +0.0 min | Waning gibbous, 90% | 8:27 PM | 7:35 AM |
| Sep 30 | 5:13 AM | 5:34 AM | 5:43 PM | 6:04 PM | 5:16 PM | 6:53 PM | 12 h 09 min | +0.0 min | Waning gibbous, 83% | 9:28 PM | 8:29 AM |
Other months
More
Sources
Computed with the NOAA solar position equations and the lunar methods of Meeus, Astronomical Algorithms, for a flat horizon; hills and buildings delay a real sunrise.