Rio Branco Sunrise, Sunset and Moon in September 2026
Day length goes from 11 h 55 min on September 1 to 12 h 11 min on September 30. Sunrise moves from 5:34 AM to 5:16 AM and sunset from 5:29 PM to 5:27 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 | 5:12 AM | 5:34 AM | 5:29 PM | 5:50 PM | 5:01 PM | 6:39 PM | 11 h 55 min | Waning gibbous, 78% | 9:27 PM | 8:32 AM | |
| Sep 2 | 5:12 AM | 5:33 AM | 5:29 PM | 5:50 PM | 5:01 PM | 6:39 PM | 11 h 56 min | +1.0 min | Waning gibbous, 68% | 10:26 PM | 9:21 AM |
| Sep 3 | 5:11 AM | 5:32 AM | 5:29 PM | 5:50 PM | 5:01 PM | 6:39 PM | 11 h 57 min | +1.0 min | Last quarter, 58% | 11:28 PM | 10:15 AM |
| Sep 4 | 5:11 AM | 5:32 AM | 5:29 PM | 5:50 PM | 5:01 PM | 6:39 PM | 11 h 57 min | +0.0 min | Last quarter 2:51 AM | 11:14 AM | |
| Sep 5 | 5:10 AM | 5:31 AM | 5:29 PM | 5:50 PM | 5:01 PM | 6:39 PM | 11 h 58 min | +1.0 min | Waning crescent, 37% | 12:31 AM | 12:17 PM |
| Sep 6 | 5:10 AM | 5:31 AM | 5:29 PM | 5:50 PM | 5:01 PM | 6:38 PM | 11 h 58 min | +0.0 min | Waning crescent, 27% | 1:33 AM | 1:21 PM |
| Sep 7 | 5:09 AM | 5:30 AM | 5:28 PM | 5:50 PM | 5:01 PM | 6:38 PM | 11 h 58 min | +0.0 min | Waning crescent, 18% | 2:32 AM | 2:24 PM |
| Sep 8 | 5:08 AM | 5:30 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 11 h 58 min | +0.0 min | Waning crescent, 11% | 3:25 AM | 3:23 PM |
| Sep 9 | 5:08 AM | 5:29 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 11 h 59 min | +1.0 min | Waning crescent, 5% | 4:14 AM | 4:19 PM |
| Sep 10 | 5:07 AM | 5:28 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 12 h 00 min | +1.0 min | New moon 10:27 PM | 4:58 AM | 5:12 PM |
| Sep 11 | 5:07 AM | 5:28 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 12 h 00 min | +0.0 min | New moon, 0% | 5:40 AM | 6:03 PM |
| Sep 12 | 5:06 AM | 5:27 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 12 h 01 min | +1.0 min | New moon, 1% | 6:21 AM | 6:52 PM |
| Sep 13 | 5:05 AM | 5:26 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 12 h 02 min | +1.0 min | Waxing crescent, 4% | 7:01 AM | 7:42 PM |
| Sep 14 | 5:05 AM | 5:26 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 12 h 02 min | +0.0 min | Waxing crescent, 9% | 7:43 AM | 8:32 PM |
| Sep 15 | 5:04 AM | 5:25 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:38 PM | 12 h 03 min | +1.0 min | Waxing crescent, 16% | 8:26 AM | 9:24 PM |
| Sep 16 | 5:04 AM | 5:25 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:37 PM | 12 h 03 min | +0.0 min | Waxing crescent, 24% | 9:12 AM | 10:16 PM |
| Sep 17 | 5:03 AM | 5:24 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:37 PM | 12 h 04 min | +1.0 min | Waxing crescent, 34% | 10:01 AM | 11:09 PM |
| Sep 18 | 5:02 AM | 5:23 AM | 5:28 PM | 5:49 PM | 5:00 PM | 6:37 PM | 12 h 05 min | +1.0 min | First quarter 3:43 PM | 10:51 AM | |
| Sep 19 | 5:02 AM | 5:23 AM | 5:27 PM | 5:48 PM | 5:00 PM | 6:37 PM | 12 h 04 min | -1.0 min | First quarter, 55% | 11:43 AM | 12:00 AM |
| Sep 20 | 5:01 AM | 5:22 AM | 5:27 PM | 5:48 PM | 5:00 PM | 6:37 PM | 12 h 05 min | +1.0 min | Waxing gibbous, 65% | 12:35 PM | 12:50 AM |
| Sep 21 | 5:00 AM | 5:21 AM | 5:27 PM | 5:48 PM | 5:00 PM | 6:37 PM | 12 h 06 min | +1.0 min | Waxing gibbous, 75% | 1:27 PM | 1:37 AM |
| Sep 22 | 5:00 AM | 5:21 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 84% | 2:17 PM | 2:22 AM |
| Sep 23 | 4:59 AM | 5:20 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 07 min | +1.0 min | Waxing gibbous, 91% | 3:06 PM | 3:04 AM |
| Sep 24 | 4:59 AM | 5:20 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 07 min | +0.0 min | Waxing gibbous, 96% | 3:54 PM | 3:44 AM |
| Sep 25 | 4:58 AM | 5:19 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 08 min | +1.0 min | Full moon, 99% | 4:43 PM | 4:23 AM |
| Sep 26 | 4:57 AM | 5:18 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 09 min | +1.0 min | Full moon 11:49 AM | 5:33 PM | 5:03 AM |
| Sep 27 | 4:57 AM | 5:18 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 09 min | +0.0 min | Waning gibbous, 99% | 6:25 PM | 5:45 AM |
| Sep 28 | 4:56 AM | 5:17 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 10 min | +1.0 min | Waning gibbous, 95% | 7:20 PM | 6:29 AM |
| Sep 29 | 4:55 AM | 5:16 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 11 min | +1.0 min | Waning gibbous, 90% | 8:19 PM | 7:17 AM |
| Sep 30 | 4:55 AM | 5:16 AM | 5:27 PM | 5:48 PM | 4:59 PM | 6:37 PM | 12 h 11 min | +0.0 min | Waning gibbous, 82% | 9:21 PM | 8:10 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.