Sunrise and sunset in Boulder: September , 2026
| Time of sunrise: | 06:46 | |
| Time of sunset: | 19:03 | |
| Time of moonrise: | 15:26 | |
| Time of moonset: | - | |
| Day length: | 12 h. 17 min. | |
Table below shows sunrise and sunset data for the next several days. You can pick any time interval to get more data.
Interval:
-
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 09.09.2026 | 06:36 | 19:20 | 12 h. 44 min. |
| 10.09.2026 | 06:37 | 19:18 | 12 h. 41 min. |
| 11.09.2026 | 06:38 | 19:16 | 12 h. 38 min. |
| 12.09.2026 | 06:39 | 19:15 | 12 h. 36 min. |
| 13.09.2026 | 06:40 | 19:13 | 12 h. 33 min. |
| 14.09.2026 | 06:41 | 19:11 | 12 h. 30 min. |
| 15.09.2026 | 06:42 | 19:10 | 12 h. 28 min. |
| 16.09.2026 | 06:43 | 19:08 | 12 h. 25 min. |
| 17.09.2026 | 06:44 | 19:06 | 12 h. 22 min. |
| 18.09.2026 | 06:45 | 19:05 | 12 h. 20 min. |
| 19.09.2026 | 06:46 | 19:03 | 12 h. 17 min. |
| 20.09.2026 | 06:47 | 19:01 | 12 h. 14 min. |
| 21.09.2026 | 06:48 | 19:00 | 12 h. 12 min. |
| 22.09.2026 | 06:49 | 18:58 | 12 h. 9 min. |
| 23.09.2026 | 06:50 | 18:56 | 12 h. 6 min. |
| 24.09.2026 | 06:51 | 18:55 | 12 h. 4 min. |
| 25.09.2026 | 06:52 | 18:53 | 12 h. 1 min. |
| 26.09.2026 | 06:53 | 18:51 | 11 h. 58 min. |
| 27.09.2026 | 06:54 | 18:50 | 11 h. 56 min. |
| 28.09.2026 | 06:55 | 18:48 | 11 h. 53 min. |
| 29.09.2026 | 06:56 | 18:46 | 11 h. 50 min. |
Monthly day length in Boulder, hours
This chart show the number of hours when sun is above the horizon line.
Best time for vacation in Boulder
Boulder on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Boulder
Local time: 03:16
September 19, saturday
0600
55°F
E
6 mph
6 mph
0900
68°F
NW
2 mph
2 mph
1200
75°F
NW
9 mph
9 mph
1500
70°F
NE
6 mph
6 mph
1800
59°F
NW
4 mph
4 mph
2100
54°F
E
4 mph
4 mph
September 20, sunday
0000
54°F
E
6 mph
6 mph
0300
54°F
E
6 mph
6 mph
