What time does the sun rise in Warsaw in September?

On September 1 it rises at 05:50 and on day 30 at 06:39, always in local time.

How long is the day in Warsaw in September?

Around 12 h 34 min at mid-month.

The sun, month by month

Sunrise and sunset in Warsaw in September

On September 1 in Warsaw the sun rises at 05:50 and sets at 19:21; on day 30 it rises at 06:39 and sets at 18:11. Over the month the day gets 120 minutes shorter.

Sunrise06:14

Sunset18:47

Golden hour18:03–18:47

Day length12 h 34 min

Day by day

All times are local to Warsaw. Dawn and dusk mark civil twilight.

Day	Dawn	Sunrise	Sunset	Dusk	Day length
1	05:14	05:50	19:21	19:57	13 h 32 min
2	05:16	05:51	19:19	19:54	13 h 28 min
3	05:18	05:53	19:17	19:52	13 h 24 min
4	05:20	05:55	19:14	19:49	13 h 19 min
5	05:22	05:56	19:12	19:47	13 h 15 min
6	05:23	05:58	19:09	19:44	13 h 11 min
7	05:25	05:60	19:07	19:42	13 h 07 min
8	05:27	06:02	19:05	19:39	13 h 03 min
9	05:29	06:03	19:02	19:37	12 h 59 min
10	05:31	06:05	18:60	19:34	12 h 55 min
11	05:32	06:07	18:57	19:32	12 h 50 min
12	05:34	06:08	18:55	19:29	12 h 46 min
13	05:36	06:10	18:52	19:27	12 h 42 min
14	05:38	06:12	18:50	19:24	12 h 38 min
15	05:39	06:14	18:47	19:21	12 h 34 min
16	05:41	06:15	18:45	19:19	12 h 30 min
17	05:43	06:17	18:42	19:16	12 h 25 min
18	05:45	06:19	18:40	19:14	12 h 21 min
19	05:46	06:20	18:38	19:11	12 h 17 min
20	05:48	06:22	18:35	19:09	12 h 13 min
21	05:50	06:24	18:33	19:06	12 h 09 min
22	05:52	06:26	18:30	19:04	12 h 05 min
23	05:53	06:27	18:28	19:02	12 h 00 min
24	05:55	06:29	18:25	18:59	11 h 56 min
25	05:57	06:31	18:23	18:57	11 h 52 min
26	05:59	06:32	18:20	18:54	11 h 48 min
27	06:00	06:34	18:18	18:52	11 h 44 min
28	06:02	06:36	18:16	18:49	11 h 40 min
29	06:04	06:38	18:13	18:47	11 h 36 min
30	06:06	06:39	18:11	18:45	11 h 31 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 Warsaw runs from 12:00 to 14:00: with medium skin and a t-shirt, ~16 min at the best moment is enough.

See the Warsaw vitamin D guide