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
September
Weather in September
Temperature
With the onset of September, Wilderswil experiences a modest temperature adjustment, with the average high-temperature gently receding from a comfortable 17°C (62.6°F) in August to a fresh 12.7°C (54.9°F). Throughout the month of September, the average temperature in Wilderswil dips to a cold 4.1°C (39.4°F) at night.Humidity
In September, the average relative humidity is 84%.Rainfall
In Wilderswil, in September, it is raining for 16.8 days, with typically 53mm (2.09") of accumulated precipitation. In Wilderswil, 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 Wilderswil.Daylight
In Wilderswil, Switzerland, the average length of the day in September is 12h and 33min.On the first day of September in Wilderswil, sunrise is at 06:49 and sunset at 20:07. On the last day of the month, sunrise is at 07:26 and sunset at 19:10 CEST.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September in Wilderswil is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Act with care - The need to guard against sun damage is communicated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Wilderswil in September?
What is the average humidity in September in Wilderswil?
How much does it rain in Wilderswil in September?
When it does not snow in Wilderswil?
Does it snow in Wilderswil in September?
What is the average length of the day in September in Wilderswil?
What time are sunrise and sunset in September in Wilderswil?
How long on average sun shines in September in Wilderswil?
What is the UV index reading in September in Wilderswil?
Average temperature in September
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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 1min
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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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
Wilderswil, 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).
