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
The average high-temperature is a still moderately hot 23.5°C (74.3°F) in September, hardly different from the 26.3°C (79.3°F) recorded in August. The average low-temperature of 12.9°C (55.2°F) is witnessed during September.Humidity
August and September, with an average relative humidity of 70%, are the least humid months.Rainfall
In Sonneville, France, during September, the rain falls for 10.1 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 171.4 rainfall days, and 583mm (22.95") of precipitation is accumulated.Snowfall
In Sonneville, France, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Sonneville, sunrise is at 07:22 and sunset at 20:38. On the last day of the month, sunrise is at 07:58 and sunset at 19:42 CEST.
Sunshine
In Sonneville, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the average September temperature in Sonneville?
What are the least humid months in Sonneville?
What is the average humidity in September in Sonneville?
How much does it rain in Sonneville in September?
When it does not snow in Sonneville?
What is the average length of the day in September in Sonneville?
When are sunrise and sunset in September in Sonneville?
How long on average sun shines in September in Sonneville?
What is the UV index reading in September in Sonneville?
Average temperature in September
Sonneville, France
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in September
Sonneville, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Sonneville, France
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Sonneville, France
- Average humidity in September: 70%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in September
Sonneville, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in September
Sonneville, France
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.1 days).
Average snowfall in September
Sonneville, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sonneville, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Sonneville, France
- 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Sonneville, France
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Sonneville, France
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Sonneville, France
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Sonneville, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Sonneville, France
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