sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Río Grande, Puerto Rico (Rio Grande, Río Grande Barrio-Pueblo), for period: September 2026. Longest day in month: September 2026: 12 hours, 28 minutes, 54 seconds (2026-09-01). Shortest day in this month: 11 hours, 59 minutes , 14 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 79.89° (2026-09-01, 12:23:16). minimal: 68.82° (2026-09-30, 12:13:14)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:08:49 | 12:23:16 | 18:37:43 | 12h 28m 54s |
| 02 | Wednesday | 06:08:59 | 12:22:57 | 18:36:54 | 12h 27m 55s |
| 03 | Thursday | 06:09:10 | 12:22:37 | 18:36:04 | 12h 26m 54s |
| 04 | Friday | 06:09:20 | 12:22:17 | 18:35:14 | 12h 25m 54s |
| 05 | Saturday | 06:09:30 | 12:21:57 | 18:34:24 | 12h 24m 54s |
| 06 | Sunday | 06:09:40 | 12:21:37 | 18:33:34 | 12h 23m 54s |
| 07 | Monday | 06:09:50 | 12:21:16 | 18:32:43 | 12h 22m 53s |
| 08 | Tuesday | 06:10:00 | 12:20:56 | 18:31:52 | 12h 21m 52s |
| 09 | Wednesday | 06:10:09 | 12:20:35 | 18:31:00 | 12h 20m 51s |
| 10 | Thursday | 06:10:19 | 12:20:14 | 18:30:09 | 12h 19m 50s |
| 11 | Friday | 06:10:28 | 12:19:53 | 18:29:17 | 12h 18m 49s |
| 12 | Saturday | 06:10:38 | 12:19:31 | 18:28:25 | 12h 17m 47s |
| 13 | Sunday | 06:10:47 | 12:19:10 | 18:27:33 | 12h 16m 46s |
| 14 | Monday | 06:10:57 | 12:18:49 | 18:26:41 | 12h 15m 44s |
| 15 | Tuesday | 06:11:06 | 12:18:27 | 18:25:49 | 12h 14m 43s |
| 16 | Wednesday | 06:11:15 | 12:18:06 | 18:24:56 | 12h 13m 41s |
| 17 | Thursday | 06:11:25 | 12:17:44 | 18:24:04 | 12h 12m 39s |
| 18 | Friday | 06:11:34 | 12:17:23 | 18:23:12 | 12h 11m 38s |
| 19 | Saturday | 06:11:44 | 12:17:02 | 18:22:19 | 12h 10m 35s |
| 20 | Sunday | 06:11:54 | 12:16:40 | 18:21:27 | 12h 9m 33s |
| 21 | Monday | 06:12:03 | 12:16:19 | 18:20:35 | 12h 8m 32s |
| 22 | Tuesday | 06:12:13 | 12:15:58 | 18:19:42 | 12h 7m 29s |
| 23 | Wednesday | 06:12:23 | 12:15:37 | 18:18:50 | 12h 6m 27s |
| 24 | Thursday | 06:12:33 | 12:15:16 | 18:17:58 | 12h 5m 25s |
| 25 | Friday | 06:12:43 | 12:14:55 | 18:17:07 | 12h 4m 24s |
| 26 | Saturday | 06:12:54 | 12:14:34 | 18:16:15 | 12h 3m 21s |
| 27 | Sunday | 06:13:04 | 12:14:14 | 18:15:24 | 12h 2m 20s |
| 28 | Monday | 06:13:15 | 12:13:54 | 18:14:32 | 12h 1m 17s |
| 29 | Tuesday | 06:13:26 | 12:13:34 | 18:13:41 | 12h 0m 15s |
| 30 | Wednesday | 06:13:37 | 12:13:14 | 18:12:51 | 11h 59m 14s |