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.
In Warsaw (52.2° latitude), September 2026 has 30 days whose sun rises at 05:50 and sets at 19:21 on the 1st, and at 06:39 and 18:11 on the 30th. Mid-month the day lasts 12 h 34 min and the sun reaches 40° above the horizon. Vitamin D synthesis is possible between 12:00 and 14:00, which is when the UV index reaches at least 3: at the best moment of the day about 16 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.
Where does the sun rise and set in Warsaw in September?
Mid-September in Warsaw: the sun rises in the east — a bearing of 85°, measured from true north — and sets in the west, at 275°. That is 5° north of due east at sunrise, and the same 5° north of due west at sunset. From the 1st to the last day of the month both points shift 19° south.
Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.
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 | 06:00 | 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 | 19:00 | 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 guideCommon questions about the sun in Warsaw in September
- Where does the sun set in Warsaw in September?
- Mid-September in Warsaw: the sun sets in the west, a bearing of 275° measured from true north, which is 5° north of due west. It rises in the east, at 85°. Over the month both points shift 19° south.
- How much daylight does Warsaw lose in September?
- Over September the day gets 120 minutes shorter in Warsaw: on September 1 the sun rises at 05:50 and sets at 19:21, and on day 30 it rises at 06:39 and sets at 18:11.
- How many hours of daylight does Warsaw get in September?
- In mid-September the day lasts 12 h 34 min in Warsaw, from sunrise at 06:14 to sunset at 18:47. The table has the day length for each of the 30 days of the month.
- What time does it start to get light in Warsaw in September?
- In mid-September the sky starts to get light at 05:39 in Warsaw, when the sun is 6° below the horizon, and the sun itself does not rise until 06:14. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Warsaw in September?
- It's not the same time as sunset. In mid-September in Warsaw the sun sets at 18:47, but there is still light: civil twilight does not end until 19:21, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
- What time of day can you make vitamin D in Warsaw in September?
- In mid-September, between 12:00 and 14:00: that is the stretch of the day when the UV index reaches 3 in Warsaw, the minimum for the skin to make vitamin D. At the best moment of the day about 16 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.