sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: San Isidro, Argentina (Buenos Aires, Partido de San Isidro), for period: September 2026. Longest day in month: September 2026: 12 hours, 24 minutes, 39 seconds (2026-09-30). Shortest day in this month: 11 hours, 23 minutes , 27 seconds (2026-09-01).
:September 2026, Solar noon=>Altitude: maximal 58.32° (2026-09-30, 12:44:01). minimal: 47.25° (2026-09-01, 12:54:03)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 07:12:20 | 12:54:03 | 18:35:47 | 11h 23m 27s |
| 02 | Wednesday | 07:10:59 | 12:53:44 | 18:36:29 | 11h 25m 30s |
| 03 | Thursday | 07:09:38 | 12:53:24 | 18:37:10 | 11h 27m 32s |
| 04 | Friday | 07:08:17 | 12:53:05 | 18:37:52 | 11h 29m 35s |
| 05 | Saturday | 07:06:55 | 12:52:44 | 18:38:34 | 11h 31m 39s |
| 06 | Sunday | 07:05:32 | 12:52:24 | 18:39:16 | 11h 33m 44s |
| 07 | Monday | 07:04:10 | 12:52:04 | 18:39:58 | 11h 35m 48s |
| 08 | Tuesday | 07:02:46 | 12:51:43 | 18:40:40 | 11h 37m 54s |
| 09 | Wednesday | 07:01:23 | 12:51:22 | 18:41:21 | 11h 39m 58s |
| 10 | Thursday | 06:59:59 | 12:51:01 | 18:42:03 | 11h 42m 4s |
| 11 | Friday | 06:58:35 | 12:50:40 | 18:42:45 | 11h 44m 10s |
| 12 | Saturday | 06:57:11 | 12:50:19 | 18:43:27 | 11h 46m 16s |
| 13 | Sunday | 06:55:46 | 12:49:58 | 18:44:09 | 11h 48m 23s |
| 14 | Monday | 06:54:22 | 12:49:36 | 18:44:51 | 11h 50m 29s |
| 15 | Tuesday | 06:52:57 | 12:49:15 | 18:45:33 | 11h 52m 36s |
| 16 | Wednesday | 06:51:32 | 12:48:53 | 18:46:15 | 11h 54m 43s |
| 17 | Thursday | 06:50:06 | 12:48:32 | 18:46:57 | 11h 56m 51s |
| 18 | Friday | 06:48:41 | 12:48:10 | 18:47:40 | 11h 58m 59s |
| 19 | Saturday | 06:47:16 | 12:47:49 | 18:48:22 | 12h 1m 6s |
| 20 | Sunday | 06:45:51 | 12:47:28 | 18:49:05 | 12h 3m 14s |
| 21 | Monday | 06:44:25 | 12:47:06 | 18:49:48 | 12h 5m 23s |
| 22 | Tuesday | 06:43:00 | 12:46:45 | 18:50:30 | 12h 7m 30s |
| 23 | Wednesday | 06:41:35 | 12:46:24 | 18:51:14 | 12h 9m 39s |
| 24 | Thursday | 06:40:10 | 12:46:03 | 18:51:57 | 12h 11m 47s |
| 25 | Friday | 06:38:45 | 12:45:42 | 18:52:40 | 12h 13m 55s |
| 26 | Saturday | 06:37:20 | 12:45:22 | 18:53:24 | 12h 16m 4s |
| 27 | Sunday | 06:35:55 | 12:45:01 | 18:54:08 | 12h 18m 13s |
| 28 | Monday | 06:34:30 | 12:44:41 | 18:54:52 | 12h 20m 22s |
| 29 | Tuesday | 06:33:06 | 12:44:21 | 18:55:36 | 12h 22m 30s |
| 30 | Wednesday | 06:31:42 | 12:44:01 | 18:56:21 | 12h 24m 39s |