sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: San Luis Potosí, Mexico , for period: September 2026. Longest day in month: September 2026: 12 hours, 33 minutes, 51 seconds (2026-09-01). Shortest day in this month: 11 hours, 57 minutes , 29 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 76.09° (2026-09-01, 12:43:49). minimal: 65.01° (2026-09-30, 12:33:48)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:26:54 | 12:43:49 | 19:00:45 | 12h 33m 51s |
| 02 | Wednesday | 06:27:11 | 12:43:30 | 18:59:49 | 12h 32m 38s |
| 03 | Thursday | 06:27:28 | 12:43:11 | 18:58:53 | 12h 31m 25s |
| 04 | Friday | 06:27:45 | 12:42:51 | 18:57:56 | 12h 30m 11s |
| 05 | Saturday | 06:28:02 | 12:42:31 | 18:56:59 | 12h 28m 57s |
| 06 | Sunday | 06:28:19 | 12:42:10 | 18:56:02 | 12h 27m 43s |
| 07 | Monday | 06:28:35 | 12:41:50 | 18:55:04 | 12h 26m 29s |
| 08 | Tuesday | 06:28:52 | 12:41:29 | 18:54:06 | 12h 25m 14s |
| 09 | Wednesday | 06:29:09 | 12:41:08 | 18:53:08 | 12h 23m 59s |
| 10 | Thursday | 06:29:25 | 12:40:47 | 18:52:09 | 12h 22m 44s |
| 11 | Friday | 06:29:41 | 12:40:26 | 18:51:11 | 12h 21m 30s |
| 12 | Saturday | 06:29:58 | 12:40:05 | 18:50:12 | 12h 20m 14s |
| 13 | Sunday | 06:30:14 | 12:39:44 | 18:49:13 | 12h 18m 59s |
| 14 | Monday | 06:30:30 | 12:39:22 | 18:48:14 | 12h 17m 44s |
| 15 | Tuesday | 06:30:47 | 12:39:01 | 18:47:15 | 12h 16m 28s |
| 16 | Wednesday | 06:31:03 | 12:38:39 | 18:46:15 | 12h 15m 12s |
| 17 | Thursday | 06:31:20 | 12:38:18 | 18:45:16 | 12h 13m 56s |
| 18 | Friday | 06:31:36 | 12:37:56 | 18:44:17 | 12h 12m 41s |
| 19 | Saturday | 06:31:53 | 12:37:35 | 18:43:17 | 12h 11m 24s |
| 20 | Sunday | 06:32:09 | 12:37:14 | 18:42:18 | 12h 10m 9s |
| 21 | Monday | 06:32:26 | 12:36:52 | 18:41:19 | 12h 8m 53s |
| 22 | Tuesday | 06:32:43 | 12:36:31 | 18:40:20 | 12h 7m 37s |
| 23 | Wednesday | 06:33:00 | 12:36:10 | 18:39:21 | 12h 6m 21s |
| 24 | Thursday | 06:33:17 | 12:35:49 | 18:38:22 | 12h 5m 5s |
| 25 | Friday | 06:33:34 | 12:35:28 | 18:37:23 | 12h 3m 49s |
| 26 | Saturday | 06:33:51 | 12:35:08 | 18:36:24 | 12h 2m 33s |
| 27 | Sunday | 06:34:09 | 12:34:47 | 18:35:26 | 12h 1m 17s |
| 28 | Monday | 06:34:27 | 12:34:27 | 18:34:28 | 12h 0m 1s |
| 29 | Tuesday | 06:34:45 | 12:34:07 | 18:33:30 | 11h 58m 45s |
| 30 | Wednesday | 06:35:03 | 12:33:48 | 18:32:32 | 11h 57m 29s |