The sun, month by month
Sunrise and sunset in Los Angeles in September
On September 1 in Los Angeles the sun rises at 06:27 and sets at 19:18; on day 30 it rises at 06:48 and sets at 18:36. Over the month the day gets 63 minutes shorter.
Sunrise06:37
Sunset18:57
Golden hour18:24–18:57
Day length12 h 20 min
Day by day
All times are local to Los Angeles. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:02 | 06:27 | 19:18 | 19:43 | 12 h 50 min |
| 2 | 06:03 | 06:28 | 19:16 | 19:42 | 12 h 48 min |
| 3 | 06:03 | 06:29 | 19:15 | 19:40 | 12 h 46 min |
| 4 | 06:04 | 06:30 | 19:13 | 19:39 | 12 h 44 min |
| 5 | 06:05 | 06:30 | 19:12 | 19:37 | 12 h 42 min |
| 6 | 06:06 | 06:31 | 19:11 | 19:36 | 12 h 40 min |
| 7 | 06:06 | 06:32 | 19:09 | 19:34 | 12 h 37 min |
| 8 | 06:07 | 06:32 | 19:08 | 19:33 | 12 h 35 min |
| 9 | 06:08 | 06:33 | 19:06 | 19:31 | 12 h 33 min |
| 10 | 06:09 | 06:34 | 19:05 | 19:30 | 12 h 31 min |
| 11 | 06:09 | 06:35 | 19:03 | 19:28 | 12 h 29 min |
| 12 | 06:10 | 06:35 | 19:02 | 19:27 | 12 h 27 min |
| 13 | 06:11 | 06:36 | 19:00 | 19:25 | 12 h 24 min |
| 14 | 06:12 | 06:37 | 18:59 | 19:24 | 12 h 22 min |
| 15 | 06:12 | 06:37 | 18:57 | 19:23 | 12 h 20 min |
| 16 | 06:13 | 06:38 | 18:56 | 19:21 | 12 h 18 min |
| 17 | 06:14 | 06:39 | 18:55 | 19:20 | 12 h 16 min |
| 18 | 06:15 | 06:40 | 18:53 | 19:18 | 12 h 13 min |
| 19 | 06:15 | 06:40 | 18:52 | 19:17 | 12 h 11 min |
| 20 | 06:16 | 06:41 | 18:50 | 19:15 | 12 h 09 min |
| 21 | 06:17 | 06:42 | 18:49 | 19:14 | 12 h 07 min |
| 22 | 06:18 | 06:42 | 18:47 | 19:12 | 12 h 05 min |
| 23 | 06:18 | 06:43 | 18:46 | 19:11 | 12 h 03 min |
| 24 | 06:19 | 06:44 | 18:44 | 19:09 | 12 h 00 min |
| 25 | 06:20 | 06:45 | 18:43 | 19:08 | 11 h 58 min |
| 26 | 06:20 | 06:45 | 18:41 | 19:06 | 11 h 56 min |
| 27 | 06:21 | 06:46 | 18:40 | 19:05 | 11 h 54 min |
| 28 | 06:22 | 06:47 | 18:39 | 19:04 | 11 h 52 min |
| 29 | 06:23 | 06:48 | 18:37 | 19:02 | 11 h 50 min |
| 30 | 06:23 | 06:48 | 18:36 | 19:01 | 11 h 47 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in September?
In September, the typical synthesis window in Los Angeles runs from 10:00 to 17:00: with medium skin and a t-shirt, ~6 min at the best moment is enough.
See the Los Angeles vitamin D guide