Boulder Sunrise & Sunset Times — September 2028
Daily sunrise, sunset, and daylight duration for Boulder throughout September 2028. Plan photography, golden hour, and travel with accurate day-by-day sun data.
Earliest sunrise
06:29
September 1
Latest sunset
19:31
September 1
Average daylight
12h 25m
Days in month
30
Daily Sun Times — September 2028
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Fr., 1. Sept. | 6:29 | 19:31 | 13h 02m |
| Sa., 2. Sept. | 6:30 | 19:29 | 12h 59m |
| So., 3. Sept. | 6:31 | 19:28 | 12h 57m |
| Mo., 4. Sept. | 6:32 | 19:26 | 12h 54m |
| Di., 5. Sept. | 6:33 | 19:25 | 12h 52m |
| Mi., 6. Sept. | 6:34 | 19:23 | 12h 49m |
| Do., 7. Sept. | 6:35 | 19:21 | 12h 47m |
| Fr., 8. Sept. | 6:36 | 19:20 | 12h 44m |
| Sa., 9. Sept. | 6:37 | 19:18 | 12h 42m |
| So., 10. Sept. | 6:37 | 19:16 | 12h 39m |
| Mo., 11. Sept. | 6:38 | 19:15 | 12h 36m |
| Di., 12. Sept. | 6:39 | 19:13 | 12h 34m |
| Mi., 13. Sept. | 6:40 | 19:11 | 12h 31m |
| Do., 14. Sept. | 6:41 | 19:10 | 12h 29m |
| Fr., 15. Sept. | 6:42 | 19:08 | 12h 26m |
| Sa., 16. Sept. | 6:43 | 19:07 | 12h 23m |
| So., 17. Sept. | 6:44 | 19:05 | 12h 21m |
| Mo., 18. Sept. | 6:45 | 19:03 | 12h 18m |
| Di., 19. Sept. | 6:46 | 19:02 | 12h 16m |
| Mi., 20. Sept. | 6:47 | 19:00 | 12h 13m |
| Do., 21. Sept. | 6:48 | 18:58 | 12h 10m |
| Fr., 22. Sept. | 6:49 | 18:57 | 12h 08m |
| Sa., 23. Sept. | 6:50 | 18:55 | 12h 05m |
| So., 24. Sept. | 6:51 | 18:53 | 12h 03m |
| Mo., 25. Sept. | 6:52 | 18:52 | 12h 00m |
| Di., 26. Sept. | 6:53 | 18:50 | 11h 57m |
| Mi., 27. Sept. | 6:54 | 18:48 | 11h 55m |
| Do., 28. Sept. | 6:55 | 18:47 | 11h 52m |
| Fr., 29. Sept. | 6:56 | 18:45 | 11h 49m |
| Sa., 30. Sept. | 6:57 | 18:43 | 11h 47m |
Daily sunrise, sunset, and daylight duration for Boulder in the selected month.
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