Sunrise and Sunsetin Longyearbyen, Svalbard and Jan Mayen
September 2025
Sunrise
3:41 AM
Sunset
10:13 PM
On 1 September, the sun rises at 3:41 AM and sets at 10:13 PM.
The sun is 18 hours 32 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at and at it is completely dark (the end of astronomical twilight).
The sun is 18 hours 32 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at and at it is completely dark (the end of astronomical twilight).
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 1 September 2025, Monday | 3:41 AM | 10:13 PM | 18h 32m |
| 2 September 2025, Tuesday | 3:51 AM | 10:02 PM | 18h 11m |
| 3 September 2025, Wednesday | 4:01 AM | 9:52 PM | 17h 50m |
| 4 September 2025, Thursday | 4:10 AM | 9:41 PM | 17h 31m |
| 5 September 2025, Friday | 4:19 AM | 9:32 PM | 17h 12m |
| 6 September 2025, Saturday | 4:28 AM | 9:22 PM | 16h 53m |
| 7 September 2025, Sunday | 4:37 AM | 9:13 PM | 16h 36m |
| 8 September 2025, Monday | 4:45 AM | 9:04 PM | 16h 18m |
| 9 September 2025, Tuesday | 4:53 AM | 8:55 PM | 16h 01m |
| 10 September 2025, Wednesday | 5:01 AM | 8:46 PM | 15h 44m |
| 11 September 2025, Thursday | 5:09 AM | 8:38 PM | 15h 28m |
| 12 September 2025, Friday | 5:17 AM | 8:29 PM | 15h 11m |
| 13 September 2025, Saturday | 5:25 AM | 8:21 PM | 14h 55m |
| 14 September 2025, Sunday | 5:32 AM | 8:12 PM | 14h 40m |
| 15 September 2025, Monday | 5:40 AM | 8:04 PM | 14h 24m |
| 16 September 2025, Tuesday | 5:47 AM | 7:56 PM | 14h 08m |
| 17 September 2025, Wednesday | 5:55 AM | 7:48 PM | 13h 53m |
| 18 September 2025, Thursday | 6:02 AM | 7:40 PM | 13h 38m |
| 19 September 2025, Friday | 6:09 AM | 7:32 PM | 13h 23m |
| 20 September 2025, Saturday | 6:16 AM | 7:24 PM | 13h 07m |
| 21 September 2025, Sunday | 6:23 AM | 7:16 PM | 12h 52m |
| 22 September 2025, Monday | 6:31 AM | 7:08 PM | 12h 37m |
| 23 September 2025, Tuesday | 6:38 AM | 7:01 PM | 12h 22m |
| 24 September 2025, Wednesday | 6:45 AM | 6:53 PM | 12h 07m |
| 25 September 2025, Thursday | 6:52 AM | 6:45 PM | 11h 53m |
| 26 September 2025, Friday | 6:59 AM | 6:37 PM | 11h 38m |
| 27 September 2025, Saturday | 7:06 AM | 6:29 PM | 11h 23m |
| 28 September 2025, Sunday | 7:13 AM | 6:22 PM | 11h 08m |
| 29 September 2025, Monday | 7:21 AM | 6:14 PM | 10h 53m |
| 30 September 2025, Tuesday | 7:28 AM | 6:06 PM | 10h 37m |