sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Oliveira do Douro, Portugal (Porto, Vila Nova de Gaia), for period: September 2026. Longest day in month: September 2026: 13 hours, 6 minutes, 41 seconds (2026-09-01). Shortest day in this month: 11 hours, 48 minutes , 34 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 57.2° (2026-09-01, 13:34:20). minimal: 46.13° (2026-09-30, 13:24:18)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 07:00:59 | 13:34:20 | 20:07:40 | 13h 6m 41s |
| 02 | Wednesday | 07:01:59 | 13:34:00 | 20:06:02 | 13h 4m 3s |
| 03 | Thursday | 07:02:58 | 13:33:41 | 20:04:23 | 13h 1m 25s |
| 04 | Friday | 07:03:58 | 13:33:21 | 20:02:44 | 12h 58m 46s |
| 05 | Saturday | 07:04:57 | 13:33:01 | 20:01:05 | 12h 56m 8s |
| 06 | Sunday | 07:05:57 | 13:32:41 | 19:59:25 | 12h 53m 28s |
| 07 | Monday | 07:06:56 | 13:32:20 | 19:57:44 | 12h 50m 48s |
| 08 | Tuesday | 07:07:56 | 13:32:00 | 19:56:04 | 12h 48m 8s |
| 09 | Wednesday | 07:08:55 | 13:31:39 | 19:54:23 | 12h 45m 28s |
| 10 | Thursday | 07:09:55 | 13:31:18 | 19:52:41 | 12h 42m 46s |
| 11 | Friday | 07:10:54 | 13:30:57 | 19:50:59 | 12h 40m 5s |
| 12 | Saturday | 07:11:54 | 13:30:36 | 19:49:18 | 12h 37m 24s |
| 13 | Sunday | 07:12:53 | 13:30:14 | 19:47:35 | 12h 34m 42s |
| 14 | Monday | 07:13:53 | 13:29:53 | 19:45:53 | 12h 32m 0s |
| 15 | Tuesday | 07:14:52 | 13:29:32 | 19:44:11 | 12h 29m 19s |
| 16 | Wednesday | 07:15:52 | 13:29:10 | 19:42:28 | 12h 26m 36s |
| 17 | Thursday | 07:16:52 | 13:28:49 | 19:40:45 | 12h 23m 53s |
| 18 | Friday | 07:17:52 | 13:28:27 | 19:39:03 | 12h 21m 11s |
| 19 | Saturday | 07:18:52 | 13:28:06 | 19:37:20 | 12h 18m 28s |
| 20 | Sunday | 07:19:52 | 13:27:44 | 19:35:37 | 12h 15m 45s |
| 21 | Monday | 07:20:52 | 13:27:23 | 19:33:54 | 12h 13m 2s |
| 22 | Tuesday | 07:21:52 | 13:27:02 | 19:32:12 | 12h 10m 20s |
| 23 | Wednesday | 07:22:53 | 13:26:41 | 19:30:29 | 12h 7m 36s |
| 24 | Thursday | 07:23:53 | 13:26:20 | 19:28:46 | 12h 4m 53s |
| 25 | Friday | 07:24:54 | 13:25:59 | 19:27:04 | 12h 2m 10s |
| 26 | Saturday | 07:25:55 | 13:25:38 | 19:25:22 | 11h 59m 27s |
| 27 | Sunday | 07:26:56 | 13:25:18 | 19:23:40 | 11h 56m 44s |
| 28 | Monday | 07:27:57 | 13:24:58 | 19:21:58 | 11h 54m 1s |
| 29 | Tuesday | 07:28:59 | 13:24:38 | 19:20:17 | 11h 51m 18s |
| 30 | Wednesday | 07:30:01 | 13:24:18 | 19:18:35 | 11h 48m 34s |