Sunrise and Sunset times in Sion, Switzerland 
Sion
🌇 High chance of a beautiful sunset!
Valais, Switzerland
28 045 people
Current temperature 15 ° C 
Partly Cloudy
Today:
 Sunrise: 07:16:34
|
 Sunset: 19:30:33
|
Day Length: 12h 13m 59s
Time zone: Europe/Zurich, UTC 2 h.
Latitude: 46.239, Longitude: 7.354
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:51:23 | 13:30:31 | 20:09:38 | 13h 18m 15s |
| 2025-Sep-02, Tuesday | 06:52:38 | 13:30:11 | 20:07:44 | 13h 15m 6s |
| 2025-Sep-03, Wednesday | 06:53:53 | 13:29:52 | 20:05:50 | 13h 11m 57s |
| 2025-Sep-04, Thursday | 06:55:09 | 13:29:32 | 20:03:55 | 13h 8m 46s |
| 2025-Sep-05, Friday | 06:56:24 | 13:29:12 | 20:01:59 | 13h 5m 35s |
| 2025-Sep-06, Saturday | 06:57:40 | 13:28:51 | 20:00:03 | 13h 2m 23s |
| 2025-Sep-07, Sunday | 06:58:55 | 13:28:31 | 19:58:07 | 12h 59m 12s |
| 2025-Sep-08, Monday | 07:00:10 | 13:28:10 | 19:56:10 | 12h 56m 0s |
| 2025-Sep-09, Tuesday | 07:01:26 | 13:27:49 | 19:54:13 | 12h 52m 47s |
| 2025-Sep-10, Wednesday | 07:02:41 | 13:27:28 | 19:52:16 | 12h 49m 35s |
| 2025-Sep-11, Thursday | 07:03:56 | 13:27:07 | 19:50:18 | 12h 46m 22s |
| 2025-Sep-12, Friday | 07:05:12 | 13:26:46 | 19:48:20 | 12h 43m 8s |
| 2025-Sep-13, Saturday | 07:06:27 | 13:26:25 | 19:46:22 | 12h 39m 55s |
| 2025-Sep-14, Sunday | 07:07:43 | 13:26:03 | 19:44:24 | 12h 36m 41s |
| 2025-Sep-15, Monday | 07:08:58 | 13:25:42 | 19:42:26 | 12h 33m 28s |
| 2025-Sep-16, Tuesday | 07:10:14 | 13:25:21 | 19:40:27 | 12h 30m 13s |
| 2025-Sep-17, Wednesday | 07:11:30 | 13:24:59 | 19:38:28 | 12h 26m 58s |
| 2025-Sep-18, Thursday | 07:12:46 | 13:24:38 | 19:36:30 | 12h 23m 44s |
| 2025-Sep-19, Friday | 07:14:02 | 13:24:16 | 19:34:31 | 12h 20m 29s |
| 2025-Sep-20, Saturday | 07:15:18 | 13:23:55 | 19:32:32 | 12h 17m 14s |
| 2025-Sep-21, Sunday | 07:16:34 | 13:23:34 | 19:30:33 | 12h 13m 59s |
| 2025-Sep-22, Monday | 07:17:50 | 13:23:12 | 19:28:35 | 12h 10m 45s |
| 2025-Sep-23, Tuesday | 07:19:07 | 13:22:51 | 19:26:36 | 12h 7m 29s |
| 2025-Sep-24, Wednesday | 07:20:23 | 13:22:30 | 19:24:38 | 12h 4m 15s |
| 2025-Sep-25, Thursday | 07:21:40 | 13:22:10 | 19:22:39 | 12h 0m 59s |
| 2025-Sep-26, Friday | 07:22:57 | 13:21:49 | 19:20:41 | 11h 57m 44s |
| 2025-Sep-27, Saturday | 07:24:14 | 13:21:29 | 19:18:43 | 11h 54m 29s |
| 2025-Sep-28, Sunday | 07:25:32 | 13:21:08 | 19:16:45 | 11h 51m 13s |
| 2025-Sep-29, Monday | 07:26:49 | 13:20:48 | 19:14:48 | 11h 47m 59s |
| 2025-Sep-30, Tuesday | 07:28:07 | 13:20:29 | 19:12:51 | 11h 44m 44s |
Day length in Sion during the year on the chart:
Sion on Switzerland map:
Largest Populated Areas in Switzerland
Geneva (Genève), Zurich (Zürich), Basel (Basel-Stadt), Bern (Bern), Lausanne (Vaud), Lucerne (Luzern), Lugano (Ticino), Biel/Bienne (Bern), Sankt Gallen (Sankt Gallen), Chur (Graubünden), Schaffhausen (Schaffhausen), Fribourg (Fribourg), Neuchatel (Neuchâtel), Zug (Zug), Frauenfeld (Thurgau), Bellinzona (Ticino), Aarau (Aargau), Herisau (Appenzell Ausserrhoden), Solothurn (Solothurn), Schwyz (Schwyz), Liestal (Basel-Landschaft), Delemont (Jura), Sarnen (Obwalden), Altdorf (Uri), Stans (Nidwalden), Glarus (Glarus), Appenzell (Appenzell Innerrhoden)
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks