September weather forecastDompierre, Switzerland
September
Weather in September
September, the first month of the autumn in Dompierre, is still a refreshing month, with an average temperature varying between 17.8°C (64°F) and 7.7°C (45.9°F).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a pleasant 22.1°C (71.8°F) in August to an enjoyable 17.8°C (64°F). During the nights in September, the temperature averages to a chilly 7.7°C (45.9°F).Humidity
The average relative humidity in September in Dompierre is 82%.Rainfall
September is the month with the least rainfall in Dompierre. Rain falls for 7.1 days and accumulates 8mm (0.31") of precipitation.Snowfall
In Dompierre, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:52 and sunset at 20:11. On the last day of September, in Dompierre, sunrise is at 07:30 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September in Dompierre is 8.6h.UV index
In Dompierre, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 3 during September leads to these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dompierre, 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
Dompierre, 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
Dompierre, 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
Dompierre, 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
Dompierre, 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
Dompierre, 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
Dompierre, 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
Dompierre, 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
Dompierre, 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 36min
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
Dompierre, 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
Dompierre, 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
Dompierre, 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
Dompierre, 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).
