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
September brings a slight decrease in the average high-temperature, shifting from an agreeable 22.4°C (72.3°F) in August to a refreshing 18°C (64.4°F). In September, the average low-temperature in Compesières records at a frosty 8.4°C (47.1°F) during the nights.Humidity
The average relative humidity in September is 82%.Rainfall
In Compesières, in September, it is raining for 13.9 days, with typically 46mm (1.81") of accumulated precipitation. In Compesières, during the entire year, the rain falls for 190.1 days and collects up to 748mm (29.45") of precipitation.Snowfall
In Compesières, snow does not fall in May through September.Daylight
The average length of the day in September in Compesières is 12h and 32min.On the first day of September in Compesières, Switzerland, sunrise is at 06:56 and sunset at 20:14. On the last day of the month, sunrise is at 07:33 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September in Compesières is 8.5h.UV index
The average daily maximum UV index in September in Compesières is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Compesières?
What is the average humidity in September in Compesières?
How many days does it rain in September in Compesières?
When it does not snow in Compesières?
Does it snow in Compesières in September?
How many hours of daylight does Compesières have in September?
When are sunrise and sunset in September in Compesières?
How long on average sun shines in September in Compesières?
How high is the UV index in September in Compesières?
Average temperature in September
Compesières, Switzerland
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Compesières, Switzerland
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Compesières, Switzerland
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Compesières, Switzerland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in September
Compesières, Switzerland
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is October (41mm).
Average rainfall days in September
Compesières, Switzerland
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Compesières, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Compesières, Switzerland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Compesières, Switzerland
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Compesières, Switzerland
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in September
Compesières, Switzerland
- 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, March, November and December (UV index 2).
Average cloud cover in September
Compesières, Switzerland
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Compesières, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March and April (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (8km).
