Sunrise and Sunsetat Oklahoma State University–Stillwater
September 2025
Sunrise
7:00 AM
Sunset
7:55 PM
On 1 September, the sun rises at 7:00 AM and sets at 7:55 PM.
The sun is 12 hours 55 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 5:31 AM and at 9:25 PM it is completely dark (the end of astronomical twilight).
The sun is 12 hours 55 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 5:31 AM and at 9:25 PM it is completely dark (the end of astronomical twilight).
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 1 September 2025, Monday | 7:00 AM | 7:55 PM | 12h 55m |
| 2 September 2025, Tuesday | 7:01 AM | 7:54 PM | 12h 53m |
| 3 September 2025, Wednesday | 7:01 AM | 7:53 PM | 12h 51m |
| 4 September 2025, Thursday | 7:02 AM | 7:51 PM | 12h 48m |
| 5 September 2025, Friday | 7:03 AM | 7:50 PM | 12h 46m |
| 6 September 2025, Saturday | 7:04 AM | 7:48 PM | 12h 44m |
| 7 September 2025, Sunday | 7:05 AM | 7:47 PM | 12h 42m |
| 8 September 2025, Monday | 7:05 AM | 7:45 PM | 12h 40m |
| 9 September 2025, Tuesday | 7:06 AM | 7:44 PM | 12h 37m |
| 10 September 2025, Wednesday | 7:07 AM | 7:42 PM | 12h 35m |
| 11 September 2025, Thursday | 7:08 AM | 7:41 PM | 12h 33m |
| 12 September 2025, Friday | 7:08 AM | 7:39 PM | 12h 31m |
| 13 September 2025, Saturday | 7:09 AM | 7:38 PM | 12h 28m |
| 14 September 2025, Sunday | 7:10 AM | 7:36 PM | 12h 26m |
| 15 September 2025, Monday | 7:11 AM | 7:35 PM | 12h 24m |
| 16 September 2025, Tuesday | 7:11 AM | 7:33 PM | 12h 22m |
| 17 September 2025, Wednesday | 7:12 AM | 7:32 PM | 12h 19m |
| 18 September 2025, Thursday | 7:13 AM | 7:30 PM | 12h 17m |
| 19 September 2025, Friday | 7:14 AM | 7:29 PM | 12h 15m |
| 20 September 2025, Saturday | 7:15 AM | 7:27 PM | 12h 12m |
| 21 September 2025, Sunday | 7:15 AM | 7:26 PM | 12h 10m |
| 22 September 2025, Monday | 7:16 AM | 7:25 PM | 12h 08m |
| 23 September 2025, Tuesday | 7:17 AM | 7:23 PM | 12h 06m |
| 24 September 2025, Wednesday | 7:18 AM | 7:22 PM | 12h 03m |
| 25 September 2025, Thursday | 7:18 AM | 7:20 PM | 12h 01m |
| 26 September 2025, Friday | 7:19 AM | 7:19 PM | 11h 59m |
| 27 September 2025, Saturday | 7:20 AM | 7:17 PM | 11h 57m |
| 28 September 2025, Sunday | 7:21 AM | 7:16 PM | 11h 54m |
| 29 September 2025, Monday | 7:22 AM | 7:14 PM | 11h 52m |
| 30 September 2025, Tuesday | 7:22 AM | 7:13 PM | 11h 50m |