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
A mild shift in the average high-temperature occurs in September, reducing from a warm 23.3°C (73.9°F) in August to a comfortable 18.8°C (65.8°F). Bollschweil encounters a steady low-temperature average of 8.8°C (47.8°F) throughout the month of September.Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.4 days and typically collects 12mm (0.47") of precipitation.Snowfall
May through October are months without snowfall in Bollschweil, Germany.Daylight
In September, the average length of the day in Bollschweil is 12h and 34min.On the first day of September in Bollschweil, Germany, sunrise is at 06:47 and sunset at 20:09. On the last day of the month, sunrise is at 07:27 and sunset at 19:10 CEST.
Sunshine
In Bollschweil, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the usual temperature for Bollschweil in September?
What is the average humidity in September in Bollschweil?
What is the driest month in Bollschweil?
How much does it rain in Bollschweil in September?
When it does not snow in Bollschweil?
What is the average length of the day in September in Bollschweil?
When are sunrise and sunset in September in Bollschweil?
How many hours of sunshine does Bollschweil have in September?
What is the UV index intensity in September in Bollschweil?
Average temperature in September
Bollschweil, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in September
Bollschweil, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Bollschweil, Germany
- Average wind speed in September: 7.4km/h
The windiest months (with the highest average wind speed) are February and December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Bollschweil, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Bollschweil, Germany
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Bollschweil, Germany
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is September (7.4 days).
Average snowfall in September
Bollschweil, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bollschweil, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bollschweil, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Bollschweil, Germany
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in September
Bollschweil, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Bollschweil, Germany
- Average cloud cover in September: 36
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Bollschweil, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
Bollschweil, Germany
Weather forecast for your location
2. Allow the app to use your location
