Golden Hour · September 2025
Sunrise, sunset & golden hour in Costa Mesa, California, United States: September 2025
In September 2025, sunrise in Costa Mesa, California, United States moves from 6:27 AM to 6:46 AM and sunset from 7:18 PM to 6:38 PM. All times are shown in the local time of Costa Mesa, California, United States.
Across the month, days in Costa Mesa, California, United States get about 1 hr shorter.
| Day | Sunrise | Golden hour ends | Golden hour starts | Sunset | Day length |
|---|---|---|---|---|---|
| 1 | 6:27 AM | 7:00 AM | 6:45 PM | 7:18 PM | 12 hr 52 min |
| 2 | 6:27 AM | 7:01 AM | 6:44 PM | 7:17 PM | 12 hr 50 min |
| 3 | 6:28 AM | 7:01 AM | 6:43 PM | 7:16 PM | 12 hr 48 min |
| 4 | 6:29 AM | 7:02 AM | 6:41 PM | 7:14 PM | 12 hr 46 min |
| 5 | 6:29 AM | 7:02 AM | 6:40 PM | 7:13 PM | 12 hr 44 min |
| 6 | 6:30 AM | 7:03 AM | 6:39 PM | 7:12 PM | 12 hr 42 min |
| 7 | 6:31 AM | 7:04 AM | 6:37 PM | 7:10 PM | 12 hr 40 min |
| 8 | 6:31 AM | 7:04 AM | 6:36 PM | 7:09 PM | 12 hr 38 min |
| 9 | 6:32 AM | 7:05 AM | 6:35 PM | 7:08 PM | 12 hr 36 min |
| 10 | 6:33 AM | 7:06 AM | 6:33 PM | 7:06 PM | 12 hr 34 min |
| 11 | 6:33 AM | 7:06 AM | 6:32 PM | 7:05 PM | 12 hr 31 min |
| 12 | 6:34 AM | 7:07 AM | 6:31 PM | 7:04 PM | 12 hr 29 min |
| 13 | 6:35 AM | 7:08 AM | 6:29 PM | 7:02 PM | 12 hr 27 min |
| 14 | 6:35 AM | 7:08 AM | 6:28 PM | 7:01 PM | 12 hr 25 min |
| 15 | 6:36 AM | 7:09 AM | 6:26 PM | 6:59 PM | 12 hr 23 min |
| 16 | 6:37 AM | 7:10 AM | 6:25 PM | 6:58 PM | 12 hr 21 min |
| 17 | 6:37 AM | 7:10 AM | 6:24 PM | 6:57 PM | 12 hr 19 min |
| 18 | 6:38 AM | 7:11 AM | 6:22 PM | 6:55 PM | 12 hr 17 min |
| 19 | 6:39 AM | 7:12 AM | 6:21 PM | 6:54 PM | 12 hr 15 min |
| 20 | 6:39 AM | 7:12 AM | 6:19 PM | 6:52 PM | 12 hr 13 min |
| 21 | 6:40 AM | 7:13 AM | 6:18 PM | 6:51 PM | 12 hr 11 min |
| 22 | 6:41 AM | 7:14 AM | 6:17 PM | 6:50 PM | 12 hr 9 min |
| 23 | 6:41 AM | 7:14 AM | 6:15 PM | 6:48 PM | 12 hr 7 min |
| 24 | 6:42 AM | 7:15 AM | 6:14 PM | 6:47 PM | 12 hr 5 min |
| 25 | 6:43 AM | 7:16 AM | 6:12 PM | 6:45 PM | 12 hr 3 min |
| 26 | 6:43 AM | 7:16 AM | 6:11 PM | 6:44 PM | 12 hr 1 min |
| 27 | 6:44 AM | 7:17 AM | 6:10 PM | 6:43 PM | 11 hr 58 min |
| 28 | 6:45 AM | 7:18 AM | 6:08 PM | 6:41 PM | 11 hr 56 min |
| 29 | 6:45 AM | 7:18 AM | 6:07 PM | 6:40 PM | 11 hr 54 min |
| 30 | 6:46 AM | 7:19 AM | 6:05 PM | 6:38 PM | 11 hr 52 min |
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Frequently asked questions
What time does the sun set in Costa Mesa, California, United States in September 2025?
Sunset moves from 7:18 PM at the start of September 2025 to 6:38 PM at the end, local time.
How long are the days in Costa Mesa, California, United States in September 2025?
The longest day of the month (September 1, 2025) lasts about 12 hr 52 min; the shortest (September 30, 2025) about 11 hr 52 min.
Data: Meeus astronomical algorithms. How we calculate this
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