sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Lai Châu, Vietnam , for period: September 2026. Longest day in month: September 2026: 12 hours, 34 minutes, 54 seconds (2026-09-01). Shortest day in this month: 11 hours, 58 minutes , 6 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 76.05° (2026-09-01, 12:06:15). minimal: 64.98° (2026-09-30, 11:56:14)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 05:48:48 | 12:06:15 | 18:23:42 | 12h 34m 54s |
| 02 | Wednesday | 05:49:06 | 12:05:56 | 18:22:46 | 12h 33m 40s |
| 03 | Thursday | 05:49:24 | 12:05:37 | 18:21:49 | 12h 32m 25s |
| 04 | Friday | 05:49:41 | 12:05:17 | 18:20:52 | 12h 31m 11s |
| 05 | Saturday | 05:49:59 | 12:04:57 | 18:19:55 | 12h 29m 56s |
| 06 | Sunday | 05:50:16 | 12:04:37 | 18:18:58 | 12h 28m 42s |
| 07 | Monday | 05:50:33 | 12:04:16 | 18:18:00 | 12h 27m 27s |
| 08 | Tuesday | 05:50:50 | 12:03:56 | 18:17:01 | 12h 26m 11s |
| 09 | Wednesday | 05:51:07 | 12:03:35 | 18:16:03 | 12h 24m 56s |
| 10 | Thursday | 05:51:24 | 12:03:14 | 18:15:04 | 12h 23m 40s |
| 11 | Friday | 05:51:41 | 12:02:53 | 18:14:05 | 12h 22m 24s |
| 12 | Saturday | 05:51:58 | 12:02:32 | 18:13:06 | 12h 21m 8s |
| 13 | Sunday | 05:52:15 | 12:02:11 | 18:12:06 | 12h 19m 51s |
| 14 | Monday | 05:52:32 | 12:01:49 | 18:11:07 | 12h 18m 35s |
| 15 | Tuesday | 05:52:49 | 12:01:28 | 18:10:07 | 12h 17m 18s |
| 16 | Wednesday | 05:53:05 | 12:01:07 | 18:09:08 | 12h 16m 3s |
| 17 | Thursday | 05:53:22 | 12:00:45 | 18:08:08 | 12h 14m 46s |
| 18 | Friday | 05:53:39 | 12:00:24 | 18:07:08 | 12h 13m 29s |
| 19 | Saturday | 05:53:56 | 12:00:02 | 18:06:08 | 12h 12m 12s |
| 20 | Sunday | 05:54:13 | 11:59:41 | 18:05:09 | 12h 10m 56s |
| 21 | Monday | 05:54:30 | 11:59:19 | 18:04:09 | 12h 9m 39s |
| 22 | Tuesday | 05:54:47 | 11:58:58 | 18:03:09 | 12h 8m 22s |
| 23 | Wednesday | 05:55:05 | 11:58:37 | 18:02:09 | 12h 7m 4s |
| 24 | Thursday | 05:55:22 | 11:58:16 | 18:01:10 | 12h 5m 48s |
| 25 | Friday | 05:55:40 | 11:57:55 | 18:00:11 | 12h 4m 31s |
| 26 | Saturday | 05:55:58 | 11:57:35 | 17:59:11 | 12h 3m 13s |
| 27 | Sunday | 05:56:16 | 11:57:14 | 17:58:12 | 12h 1m 56s |
| 28 | Monday | 05:56:34 | 11:56:54 | 17:57:14 | 12h 0m 40s |
| 29 | Tuesday | 05:56:52 | 11:56:34 | 17:56:15 | 11h 59m 23s |
| 30 | Wednesday | 05:57:11 | 11:56:14 | 17:55:17 | 11h 58m 6s |