Sion Weather Conditions
Current Temperature Level
14 °C
28 AQI
Air quality index is: Good
Last Updated: 2025-09-28 19:45 (Local Time)
MapSion
Sion Weather Parameters
4 km/h
1 m/s
300° WNW
0 %
10 km
0 mm
1019 mb
UV Index0
Suggestions for
TodaySion28 Sep.
Umbrella• Optional
Clothing• More Layered
Driving• Enjoy Driving
Sunscreen• ApplyTrending in Switzerland
Air Quality Monitoring for Logistics: Smarter Deliveries with Data
Sion 10-Days Weather Forecast
Today
5°C
62 %Monday
6°C69 %Tuesday
6°C78 %Wednesday
5°C76 %Thursday
3°C60 %Friday
1°C63 %Saturday
2°C56 %Sunday
4°C57 %Monday
5°C87 %Tuesday
6°C72 %Sunny
Clear Sky with temperature at 5 °C and humidity will be at 62% with 7.9 km/h winds.13°C / 0°C
Humi.62 %
Prec.0 mm
Sunrise
07:26 AM11hrs 50min
Sunset
07:16 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
1 °C
85 %
0
7.2 kmph / E
Clear 
Feels -1.9 °C
Cover 9 %
Visibility 10 km
1 AM
Clear
0 °C
82 %
0
6.8 kmph / E
Clear Feels -2.3 °C
Cover 6 %
Visibility 10 km
2 AM
Clear
0 °C
79 %
0
7.2 kmph / E
Clear Feels -2.8 °C
Cover 5 %
Visibility 10 km
3 AM
Clear
0 °C
76 %
0
7.6 kmph / E
Clear Feels -3.1 °C
Cover 4 %
Visibility 10 km
4 AM
Clear
0 °C
73 %
0
7.6 kmph / E
Clear Feels -2.9 °C
Cover 3 %
Visibility 10 km
5 AM
Clear
0 °C
70 %
0
7.6 kmph / E
Clear Feels -3.1 °C
Cover 2 %
Visibility 10 km
6 AM
Clear
0 °C
67 %
0
7.9 kmph / E
Clear Feels -3.1 °C
Cover 0 %
Visibility 10 km
7 AM
Clear
0 °C
64 %
0
7.9 kmph / E
Clear Feels -2.4 °C
Cover 3 %
Visibility 10 km
8 AM
Sunny
3 °C
58 %
0
5.8 kmph / ENE
SunnyFeels 1.9 °C
Cover 2 %
Visibility 10 km
9 AM
Sunny
6 °C
48 %
0.5
4.3 kmph / ENE
SunnyFeels 5.6 °C
Cover 0 %
Visibility 10 km
10 AM
Sunny
9 °C
42 %
1.3
2.9 kmph / NE
SunnyFeels 8.5 °C
Cover 0 %
Visibility 10 km
11 AM
Sunny
11 °C
37 %
2.5
2.2 kmph / NNE
SunnyFeels 10.7 °C
Cover 1 %
Visibility 10 km
12 PM
Sunny
12 °C
33 %
3.8
2.9 kmph / NW
SunnyFeels 12 °C
Cover 9 %
Visibility 10 km
1 PM
Sunny
13 °C
32 %
4.5
3.2 kmph / WNW
SunnyFeels 13.5 °C
Cover 3 %
Visibility 10 km
2 PM
Sunny
13 °C
31 %
4.5
4.7 kmph / W
SunnyFeels 13.3 °C
Cover 0 %
Visibility 10 km
3 PM
Sunny
13 °C
33 %
3.7
5.8 kmph / WNW
SunnyFeels 12.7 °C
Cover 0 %
Visibility 10 km
4 PM
Sunny
12 °C
39 %
2.5
5.8 kmph / WNW
SunnyFeels 12 °C
Cover 2 %
Visibility 10 km
5 PM
Sunny
10 °C
58 %
1.3
6.1 kmph / WNW
SunnyFeels 9.8 °C
Cover 2 %
Visibility 10 km
6 PM
Sunny
6 °C
74 %
0.5
4.7 kmph / WNW
SunnyFeels 5.8 °C
Cover 4 %
Visibility 10 km
7 PM
Sunny
14 °C
72 %
0
3.6 kmph / WNW
SunnyFeels 4.7 °C
Cover 0 %
Visibility 10 km
8 PM
Clear
4 °C
82 %
0
0.7 kmph / ESE
Clear Feels 4.1 °C
Cover 9 %
Visibility 10 km
9 PM
Clear
4 °C
82 %
0
2.2 kmph / SE
Clear Feels 3.5 °C
Cover 10 %
Visibility 10 km
10 PM
Clear
3 °C
81 %
0
4 kmph / ESE
Clear Feels 2.6 °C
Cover 9 %
Visibility 10 km
11 PM
Clear
3 °C
79 %
0
4.3 kmph / ESE
Clear Feels 2.1 °C
Cover 9 %
Visibility 10 km
Today
5°C62 %Monday
6°C69 %Tuesday
6°C78 %Wednesday
5°C76 %Thursday
3°C60 %Friday
1°C63 %Saturday
2°C56 %Sunday
4°C57 %Monday
5°C87 %Tuesday
6°C72 %Temp4 °C
ConditionClear
Humidity82 %
Feels4.1 °C
Cover9 %
Visibility10 km
Wind Speed & Dir.0.7 kmph / ESE
UV0
Sion 30-Days (September 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Mon.
11°6 °C
2Tue.
13°6 °C
3Wed.
19°5 °C
4Thu.
19°6 °C
5Fri.
13°5 °C
6Sat.
19°4 °C
7Sun.
22°7 °C
8Mon.
16°10 °C
9Tue.
13°9 °C
10Wed.
12°6 °C
11Thu.
13°5 °C
12Fri.
13°3 °C
13Sat.
15°5 °C
14Sun.
17°7 °C
15Mon.
20°8 °C
16Tue.
13°6 °C
17Wed.
13°4 °C
18Thu.
22°9 °C
19Fri.
24°11 °C
20Sat.
23°10 °C
21Sun.
18°9 °C
22Mon.
13°7 °C
23Tue.
11°3 °C
24Wed.
7°1 °C
25Thu.
5°2 °C
26Fri.
4°2 °C
27Sat.
7°1 °C
28Today
12°-1 °C
29Mon.
12°1 °C
30Tue.
11°3 °C
SeptemberWeather Overview
No. of days:
Sunny
8
Cloudy
0
Rainy
22
Snowy
0
The monthly weather averages in Sion consist of 8 sunny days, 0 cloudy days, 22 rainy days, and 0 snowy days.
Sion's Locations Weather Conditions
Switzerland's Hottest Cities - September 2025
1.
Lugano, Switzerland
Sunny
82%
0
5.4 kmph / NNE
2.
Bellinzona, Switzerland
Sunny
82%
0
6.8 kmph / N
3.
Buchs, Switzerland
Partly cloudy
82%
0
3.6 kmph / WSW
4.
Sion, Switzerland
Sunny
72%
0
3.6 kmph / WNW
5.
Thonex, Switzerland
Partly cloudy
77%
0
4.7 kmph / ENE
6.
Bern, Switzerland
Partly cloudy
77%
0
3.6 kmph / ENE
7.
Morges, Switzerland
Partly cloudy
77%
0
4.7 kmph / E
8.
Opfikon, Switzerland
Light rain
82%
0
3.6 kmph / ENE
9.
Oftringen, Switzerland
Mist
82%
0
3.6 kmph / NNE
10.
Sankt Gallen, Switzerland
Partly cloudy
82%
0
3.6 kmph / NNW
Last Updated: 28 Sept 2025, 06:01 PM
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