September weather forecastBönigen, Switzerland
September
Weather in September
September, the first month of the autumn in Bönigen, is also a fresh month, with temperature in the range of an average high of 12.7°C (54.9°F) and an average low of 4.1°C (39.4°F).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a refreshing 17°C (62.6°F) in August to a fresh 12.7°C (54.9°F). In the month of September, Bönigen witnesses a consistent average low-temperature of 4.1°C (39.4°F).Humidity
In Bönigen, the average relative humidity in September is 84%.Rainfall
In September, in Bönigen, the rain falls for 16.8 days. Throughout September, 53mm (2.09") of precipitation is accumulated. In Bönigen, during the entire year, the rain falls for 192.3 days and collects up to 935mm (36.81") of precipitation.Snowfall
June through September are months without snowfall in Bönigen.Daylight
In Bönigen, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:48 and sunset at 20:07. On the last day of September, sunrise is at 07:26 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
In Bönigen, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bönigen, Switzerland
- Average high temperature in September: 12.7°C
The warmest month (with the highest average high temperature) is July (17.1°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in September: 4.1°C
The months with the highest average low temperature are July and August (7.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in September
Bönigen, Switzerland
- Average pressure in September: 1018.4mbar
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
Bönigen, Switzerland
- Average wind speed in September: 6.1km/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 (5.8km/h).
Average humidity in September
Bönigen, Switzerland
- Average humidity in September: 84%
The months with the highest relative humidity are February and March (90%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in September
Bönigen, Switzerland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is August (118mm).
The driest months (with the least rainfall) are January and February (50mm).
Average rainfall days in September
Bönigen, Switzerland
- Average rainfall days in September: 16.8 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Bönigen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (211mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bönigen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bönigen, 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 6min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Bönigen, Switzerland
- Average sunshine days in September: 11 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in September
Bönigen, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Bönigen, Switzerland
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 41).
Average visibility in September
Bönigen, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June and September (7km).
