Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The average high-temperature in Thun, Switzerland, slightly decreases in September, shifting from an enjoyable 19.9°C (67.8°F) in August to a moderate 15.6°C (60.1°F). An average low-temperature of 5.5°C (41.9°F) marks the month of September in Thun.Humidity
In Thun, the average relative humidity in September is 82%.Rainfall
September is the month with the least rainfall in Thun, Switzerland. Rain falls for 15.9 days and accumulates 53mm (2.09") of precipitation.Snowfall
June through September are months without snowfall in Thun.Daylight
The average length of the day in September is 12h and 33min.On the first day of September in Thun, sunrise is at 06:49 and sunset at 20:08. On the last day of the month, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
The average sunshine in September in Thun is 8.7h.UV index
The average daily maximum UV index in September in Thun is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the average September temperature in Thun?
What is the average humidity in September in Thun?
What is the driest month in Thun?
How much does it rain in Thun in September?
When it does not snow in Thun?
Does it snow in Thun in September?
How many hours of daylight does Thun have in September?
What time are sunrise and sunset in September in Thun?
How long on average sun shines in September in Thun?
How high is the UV index in September in Thun?
Average temperature in September
Thun, Switzerland
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7°C).
Average pressure in September
Thun, Switzerland
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Thun, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Thun, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Thun, Switzerland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in September
Thun, Switzerland
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Thun, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (208mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Thun, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Thun, Switzerland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Thun, Switzerland
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Thun, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Thun, Switzerland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 35).
Average visibility in September
Thun, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).
Thun, Switzerland
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