Sunrise and Sunsetat Dartmouth College
September 2025
Sunrise
5:13 AM
Sunset
6:24 PM
On 1 September, the sun rises at 5:13 AM and sets at 6:24 PM.
The sun is 13 hours 11 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 3:31 AM and at 8:06 PM it is completely dark (the end of astronomical twilight).
The sun is 13 hours 11 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 3:31 AM and at 8:06 PM it is completely dark (the end of astronomical twilight).
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 1 September 2025, Monday | 5:13 AM | 6:24 PM | 13h 11m |
| 2 September 2025, Tuesday | 5:14 AM | 6:22 PM | 13h 08m |
| 3 September 2025, Wednesday | 5:15 AM | 6:21 PM | 13h 05m |
| 4 September 2025, Thursday | 5:16 AM | 6:19 PM | 13h 02m |
| 5 September 2025, Friday | 5:17 AM | 6:17 PM | 12h 59m |
| 6 September 2025, Saturday | 5:18 AM | 6:15 PM | 12h 56m |
| 7 September 2025, Sunday | 5:20 AM | 6:13 PM | 12h 53m |
| 8 September 2025, Monday | 5:21 AM | 6:12 PM | 12h 51m |
| 9 September 2025, Tuesday | 5:22 AM | 6:10 PM | 12h 48m |
| 10 September 2025, Wednesday | 5:23 AM | 6:08 PM | 12h 45m |
| 11 September 2025, Thursday | 5:24 AM | 6:06 PM | 12h 42m |
| 12 September 2025, Friday | 5:25 AM | 6:04 PM | 12h 39m |
| 13 September 2025, Saturday | 5:26 AM | 6:03 PM | 12h 36m |
| 14 September 2025, Sunday | 5:27 AM | 6:01 PM | 12h 33m |
| 15 September 2025, Monday | 5:29 AM | 5:59 PM | 12h 30m |
| 16 September 2025, Tuesday | 5:30 AM | 5:57 PM | 12h 27m |
| 17 September 2025, Wednesday | 5:31 AM | 5:55 PM | 12h 24m |
| 18 September 2025, Thursday | 5:32 AM | 5:53 PM | 12h 21m |
| 19 September 2025, Friday | 5:33 AM | 5:52 PM | 12h 18m |
| 20 September 2025, Saturday | 5:34 AM | 5:50 PM | 12h 15m |
| 21 September 2025, Sunday | 5:35 AM | 5:48 PM | 12h 12m |
| 22 September 2025, Monday | 5:36 AM | 5:46 PM | 12h 09m |
| 23 September 2025, Tuesday | 5:38 AM | 5:44 PM | 12h 06m |
| 24 September 2025, Wednesday | 5:39 AM | 5:42 PM | 12h 03m |
| 25 September 2025, Thursday | 5:40 AM | 5:40 PM | 12h 00m |
| 26 September 2025, Friday | 5:41 AM | 5:39 PM | 11h 57m |
| 27 September 2025, Saturday | 5:42 AM | 5:37 PM | 11h 54m |
| 28 September 2025, Sunday | 5:43 AM | 5:35 PM | 11h 51m |
| 29 September 2025, Monday | 5:44 AM | 5:33 PM | 11h 48m |
| 30 September 2025, Tuesday | 5:46 AM | 5:31 PM | 11h 45m |