September weather forecastSompuis, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Sompuis, France, with an average temperature fluctuating between 20.5°C (68.9°F) and 11.3°C (52.3°F).Temperature
Sompuis in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 24.4°C (75.9°F) in August to a pleasant 20.5°C (68.9°F). The nighttime temperature dips to a cool 11.3°C (52.3°F) on average during September.Humidity
In September, the average relative humidity in Sompuis is 75%.Rainfall
September is the month with the least rainfall in Sompuis. Rain falls for 10.9 days and accumulates 30mm (1.18") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 07:00 and sunset at 20:24. On the last day of the month, sunrise is at 07:41 and sunset at 19:23 CEST.
Sunshine
The average sunshine in September in Sompuis is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sompuis, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Sompuis, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Sompuis, France
- Average wind speed in September: 9.8km/h
The windiest months (with the highest average wind speed) are February and December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Sompuis, France
- Average humidity in September: 75%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Sompuis, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Sompuis, France
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in September
Sompuis, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sompuis, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sompuis, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Sompuis, France
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in September
Sompuis, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sompuis, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in September
Sompuis, France
- Average visibility in September: 9km
The months with the highest visibility are March, April, July, August and September (9km).
The months with the lowest visibility are January, February, May, June, October, November and December (8km).





