September weather forecastBiglen, Switzerland
September
Weather in September
September, the first month of the autumn in Biglen, is also an enjoyable month, with an average temperature varying between 7.5°C (45.5°F) and 18.3°C (64.9°F).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from an agreeable 22.9°C (73.2°F) in August to an enjoyable 18.3°C (64.9°F). September in Biglen is noted for a mean low-temperature of 7.5°C (45.5°F).Humidity
The average relative humidity in September is 81%.Rainfall
The month with the least rainfall in Biglen is September, when the rain falls for 11.5 days and typically collects 23mm (0.91") of precipitation.Snowfall
In Biglen, snow does not fall in June through September.Daylight
In Biglen, Switzerland, the average length of the day in September is 12h and 33min.On the first day of September in Biglen, 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
In Biglen, the average sunshine in September is 8.7h.UV index
In Biglen, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Biglen, Switzerland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in September
Biglen, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Biglen, Switzerland
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Biglen, Switzerland
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Biglen, Switzerland
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Biglen, Switzerland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Biglen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Biglen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Biglen, Switzerland
- Average daylight in September: 12h and 36min
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 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Biglen, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in September
Biglen, Switzerland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Biglen, Switzerland
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Biglen, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).





