sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Santarém, Portugal , for period: September 2026. Longest day in month: September 2026: 13 hours, 2 minutes, 41 seconds (2026-09-01). Shortest day in this month: 11 hours, 49 minutes , 39 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 59.1° (2026-09-01, 13:34:43). minimal: 48.03° (2026-09-30, 13:24:42)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 07:03:23 | 13:34:43 | 20:06:04 | 13h 2m 41s |
| 02 | Wednesday | 07:04:17 | 13:34:24 | 20:04:31 | 13h 0m 14s |
| 03 | Thursday | 07:05:12 | 13:34:05 | 20:02:57 | 12h 57m 45s |
| 04 | Friday | 07:06:06 | 13:33:45 | 20:01:23 | 12h 55m 17s |
| 05 | Saturday | 07:07:00 | 13:33:25 | 19:59:49 | 12h 52m 49s |
| 06 | Sunday | 07:07:55 | 13:33:04 | 19:58:14 | 12h 50m 19s |
| 07 | Monday | 07:08:49 | 13:32:44 | 19:56:39 | 12h 47m 50s |
| 08 | Tuesday | 07:09:43 | 13:32:23 | 19:55:04 | 12h 45m 21s |
| 09 | Wednesday | 07:10:37 | 13:32:03 | 19:53:28 | 12h 42m 51s |
| 10 | Thursday | 07:11:32 | 13:31:42 | 19:51:52 | 12h 40m 20s |
| 11 | Friday | 07:12:26 | 13:31:21 | 19:50:15 | 12h 37m 49s |
| 12 | Saturday | 07:13:20 | 13:30:59 | 19:48:39 | 12h 35m 19s |
| 13 | Sunday | 07:14:14 | 13:30:38 | 19:47:02 | 12h 32m 48s |
| 14 | Monday | 07:15:09 | 13:30:17 | 19:45:25 | 12h 30m 16s |
| 15 | Tuesday | 07:16:03 | 13:29:55 | 19:43:47 | 12h 27m 44s |
| 16 | Wednesday | 07:16:57 | 13:29:34 | 19:42:10 | 12h 25m 13s |
| 17 | Thursday | 07:17:52 | 13:29:12 | 19:40:33 | 12h 22m 41s |
| 18 | Friday | 07:18:47 | 13:28:51 | 19:38:55 | 12h 20m 8s |
| 19 | Saturday | 07:19:41 | 13:28:29 | 19:37:18 | 12h 17m 37s |
| 20 | Sunday | 07:20:36 | 13:28:08 | 19:35:40 | 12h 15m 4s |
| 21 | Monday | 07:21:31 | 13:27:47 | 19:34:03 | 12h 12m 32s |
| 22 | Tuesday | 07:22:26 | 13:27:26 | 19:32:25 | 12h 9m 59s |
| 23 | Wednesday | 07:23:21 | 13:27:05 | 19:30:48 | 12h 7m 27s |
| 24 | Thursday | 07:24:16 | 13:26:44 | 19:29:11 | 12h 4m 55s |
| 25 | Friday | 07:25:12 | 13:26:23 | 19:27:34 | 12h 2m 22s |
| 26 | Saturday | 07:26:07 | 13:26:02 | 19:25:57 | 11h 59m 50s |
| 27 | Sunday | 07:27:03 | 13:25:42 | 19:24:20 | 11h 57m 17s |
| 28 | Monday | 07:27:59 | 13:25:21 | 19:22:43 | 11h 54m 44s |
| 29 | Tuesday | 07:28:56 | 13:25:01 | 19:21:07 | 11h 52m 11s |
| 30 | Wednesday | 07:29:52 | 13:24:42 | 19:19:31 | 11h 49m 39s |