Viseu Sunrise, Sunset and Moon in September 2026
Day length goes from 12 h 05 min on September 1 to 12 h 07 min on September 30. Sunrise moves from 6:02 AM to 5:51 AM and sunset from 6:07 PM to 5:58 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 | 5:41 AM | 6:02 AM | 6:07 PM | 6:28 PM | 5:40 PM | 7:16 PM | 12 h 05 min | Waning gibbous, 78% | 9:44 PM | 9:14 AM | |
| Sep 2 | 5:41 AM | 6:02 AM | 6:07 PM | 6:28 PM | 5:39 PM | 7:16 PM | 12 h 05 min | +0.0 min | Waning gibbous, 69% | 10:39 PM | 10:06 AM |
| Sep 3 | 5:40 AM | 6:01 AM | 6:07 PM | 6:27 PM | 5:39 PM | 7:16 PM | 12 h 06 min | +1.0 min | Last quarter, 59% | 11:39 PM | 11:02 AM |
| Sep 4 | 5:40 AM | 6:01 AM | 6:06 PM | 6:27 PM | 5:39 PM | 7:15 PM | 12 h 05 min | -1.0 min | Last quarter 4:51 AM | 12:03 PM | |
| Sep 5 | 5:40 AM | 6:01 AM | 6:06 PM | 6:27 PM | 5:38 PM | 7:15 PM | 12 h 05 min | +0.0 min | Waning crescent, 38% | 12:41 AM | 1:06 PM |
| Sep 6 | 5:39 AM | 6:00 AM | 6:06 PM | 6:26 PM | 5:38 PM | 7:15 PM | 12 h 06 min | +1.0 min | Waning crescent, 28% | 1:44 AM | 2:09 PM |
| Sep 7 | 5:39 AM | 6:00 AM | 6:05 PM | 6:26 PM | 5:38 PM | 7:14 PM | 12 h 05 min | -1.0 min | Waning crescent, 19% | 2:45 AM | 3:09 PM |
| Sep 8 | 5:39 AM | 5:59 AM | 6:05 PM | 6:26 PM | 5:38 PM | 7:14 PM | 12 h 06 min | +1.0 min | Waning crescent, 11% | 3:42 AM | 4:05 PM |
| Sep 9 | 5:38 AM | 5:59 AM | 6:05 PM | 6:25 PM | 5:37 PM | 7:14 PM | 12 h 06 min | +0.0 min | Waning crescent, 6% | 4:35 AM | 4:57 PM |
| Sep 10 | 5:38 AM | 5:59 AM | 6:04 PM | 6:25 PM | 5:37 PM | 7:13 PM | 12 h 05 min | -1.0 min | Waning crescent, 2% | 5:24 AM | 5:45 PM |
| Sep 11 | 5:38 AM | 5:58 AM | 6:04 PM | 6:25 PM | 5:37 PM | 7:13 PM | 12 h 06 min | +1.0 min | New moon 12:27 AM | 6:10 AM | 6:32 PM |
| Sep 12 | 5:37 AM | 5:58 AM | 6:04 PM | 6:24 PM | 5:36 PM | 7:13 PM | 12 h 06 min | +0.0 min | New moon, 1% | 6:55 AM | 7:17 PM |
| Sep 13 | 5:37 AM | 5:58 AM | 6:03 PM | 6:24 PM | 5:36 PM | 7:12 PM | 12 h 05 min | -1.0 min | Waxing crescent, 4% | 7:39 AM | 8:03 PM |
| Sep 14 | 5:36 AM | 5:57 AM | 6:03 PM | 6:24 PM | 5:36 PM | 7:12 PM | 12 h 06 min | +1.0 min | Waxing crescent, 8% | 8:25 AM | 8:50 PM |
| Sep 15 | 5:36 AM | 5:57 AM | 6:03 PM | 6:23 PM | 5:35 PM | 7:12 PM | 12 h 06 min | +0.0 min | Waxing crescent, 15% | 9:11 AM | 9:38 PM |
| Sep 16 | 5:36 AM | 5:56 AM | 6:02 PM | 6:23 PM | 5:35 PM | 7:11 PM | 12 h 06 min | +0.0 min | Waxing crescent, 24% | 10:00 AM | 10:28 PM |
| Sep 17 | 5:35 AM | 5:56 AM | 6:02 PM | 6:23 PM | 5:35 PM | 7:11 PM | 12 h 06 min | +0.0 min | Waxing crescent, 33% | 10:50 AM | 11:19 PM |
| Sep 18 | 5:35 AM | 5:56 AM | 6:02 PM | 6:22 PM | 5:34 PM | 7:10 PM | 12 h 06 min | +0.0 min | First quarter 5:43 PM | 11:41 AM | |
| Sep 19 | 5:35 AM | 5:55 AM | 6:01 PM | 6:22 PM | 5:34 PM | 7:10 PM | 12 h 06 min | +0.0 min | First quarter, 54% | 12:33 PM | 12:11 AM |
| Sep 20 | 5:34 AM | 5:55 AM | 6:01 PM | 6:22 PM | 5:34 PM | 7:10 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 65% | 1:23 PM | 1:02 AM |
| Sep 21 | 5:34 AM | 5:54 AM | 6:01 PM | 6:21 PM | 5:33 PM | 7:09 PM | 12 h 07 min | +1.0 min | Waxing gibbous, 74% | 2:12 PM | 1:51 AM |
| Sep 22 | 5:33 AM | 5:54 AM | 6:00 PM | 6:21 PM | 5:33 PM | 7:09 PM | 12 h 06 min | -1.0 min | Waxing gibbous, 83% | 2:59 PM | 2:39 AM |
| Sep 23 | 5:33 AM | 5:54 AM | 6:00 PM | 6:21 PM | 5:33 PM | 7:09 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 90% | 3:45 PM | 3:24 AM |
| Sep 24 | 5:33 AM | 5:53 AM | 6:00 PM | 6:21 PM | 5:33 PM | 7:09 PM | 12 h 07 min | +1.0 min | Waxing gibbous, 96% | 4:30 PM | 4:08 AM |
| Sep 25 | 5:32 AM | 5:53 AM | 6:00 PM | 6:20 PM | 5:32 PM | 7:08 PM | 12 h 07 min | +0.0 min | Waxing gibbous, 99% | 5:14 PM | 4:52 AM |
| Sep 26 | 5:32 AM | 5:53 AM | 5:59 PM | 6:20 PM | 5:32 PM | 7:08 PM | 12 h 06 min | -1.0 min | Full moon 1:49 PM | 6:00 PM | 5:35 AM |
| Sep 27 | 5:31 AM | 5:52 AM | 5:59 PM | 6:20 PM | 5:32 PM | 7:08 PM | 12 h 07 min | +1.0 min | Waning gibbous, 99% | 6:48 PM | 6:21 AM |
| Sep 28 | 5:31 AM | 5:52 AM | 5:59 PM | 6:19 PM | 5:31 PM | 7:07 PM | 12 h 07 min | +0.0 min | Waning gibbous, 96% | 7:39 PM | 7:09 AM |
| Sep 29 | 5:31 AM | 5:51 AM | 5:58 PM | 6:19 PM | 5:31 PM | 7:07 PM | 12 h 07 min | +0.0 min | Waning gibbous, 90% | 8:34 PM | 8:01 AM |
| Sep 30 | 5:30 AM | 5:51 AM | 5:58 PM | 6:19 PM | 5:31 PM | 7:07 PM | 12 h 07 min | +0.0 min | Waning gibbous, 83% | 9:33 PM | 8:57 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.