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
September is characterized by a mild reduction in the average high-temperature, from a pleasant 22.1°C (71.8°F) in August to a refreshing 17.8°C (64°F). In September, the average low-temperature is a chilly 7.7°C (45.9°F).Humidity
In September, the average relative humidity in Chavannes-le-Chêne is 82%.Rainfall
The month with the least rainfall in Chavannes-le-Chêne is September, when the rain falls for 7.1 days and typically collects 8mm (0.31") of precipitation.Snowfall
June through September are months without snowfall in Chavannes-le-Chêne.Daylight
The average length of the day in September in Chavannes-le-Chêne is 12h and 33min.On the first day of September in Chavannes-le-Chêne, Switzerland, sunrise is at 06:53 and sunset at 20:12. On the last day of the month, sunrise is at 07:30 and sunset at 19:14 CEST.
Sunshine
In September, the average sunshine in Chavannes-le-Chêne is 8.6h.UV index
In September, the average daily maximum UV index in Chavannes-le-Chêne, Switzerland, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the average September temperature in Chavannes-le-Chêne?
What is the average humidity in September in Chavannes-le-Chêne?
What is the driest month in Chavannes-le-Chêne?
How much does it rain in Chavannes-le-Chêne in September?
When it does not snow in Chavannes-le-Chêne?
Does it snow in Chavannes-le-Chêne in September?
How many hours of daylight does Chavannes-le-Chêne have in September?
When are sunrise and sunset in September in Chavannes-le-Chêne?
How many hours of sunshine does Chavannes-le-Chêne have in September?
What is the UV index reading in September in Chavannes-le-Chêne?
Average temperature in September
Chavannes-le-Chêne, Switzerland
- Average high temperature in September: 17.8°C
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Chavannes-le-Chêne, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Chavannes-le-Chêne, Switzerland
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in September
Chavannes-le-Chêne, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and July (79%).
Average rainfall in September
Chavannes-le-Chêne, Switzerland
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is June (26mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in September
Chavannes-le-Chêne, Switzerland
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Chavannes-le-Chêne, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chavannes-le-Chêne, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Chavannes-le-Chêne, 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 4min
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: 5h and 6min).
Average sunshine days in September
Chavannes-le-Chêne, Switzerland
- Average sunshine days in September: 20.2 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in September
Chavannes-le-Chêne, 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
Chavannes-le-Chêne, Switzerland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Chavannes-le-Chêne, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September and October (8km).
Chavannes-le-Chêne, Switzerland
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