September weather forecastSumène, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Sumène, France, with an average temperature ranging between max 24.2°C (75.6°F) and min 12.8°C (55°F).Temperature
The start of September signals a decrease in the average high-temperature, transitioning from 29.2°C (84.6°F) in August to a still moderately hot 24.2°C (75.6°F). During September, the average low-temperature is recorded at a fresh 12.8°C (55°F).Humidity
In September, the average relative humidity is 65%.Rainfall
In September, in Sumène, the rain falls for 8 days. Throughout September, 38mm (1.5") of precipitation is accumulated. In Sumène, during the entire year, the rain falls for 124.6 days and collects up to 617mm (24.29") of precipitation.Snowfall
In Sumène, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Sumène, sunrise is at 07:09 and sunset at 20:20. On the last day of the month, sunrise is at 07:42 and sunset at 19:27 CEST.
Sunshine
In Sumène, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sumène, France
- Average high temperature in September: 24.2°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 12.8°C
The months with the highest average low temperature are July and August (16.3°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in September
Sumène, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Sumène, France
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is May (10.6km/h).
The calmest month (with the lowest average wind speed) is December (8.7km/h).
Average humidity in September
Sumène, France
- Average humidity in September: 65%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is July (57%).
Average rainfall in September
Sumène, France
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is July (20mm).
Average rainfall days in September
Sumène, France
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in September
Sumène, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sumène, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.7 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
Sumène, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).
Average sunshine days in September
Sumène, France
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is November (14 days).
Average UV index in September
Sumène, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Sumène, France
- Average cloud cover in September: 22
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in September
Sumène, France
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is November (8km).
