September weather forecastSupt, France
September
Weather in September
September, the first month of the autumn in Supt, is still a comfortable month, with an average temperature varying between 16.9°C (62.4°F) and 8.1°C (46.6°F).Temperature
As Supt enters September, the average high-temperature subtly lowers from the a pleasant 21°C (69.8°F) of August to an enjoyable 16.9°C (62.4°F). An average low-temperature of 8.1°C (46.6°F) is noted in Supt during the month of September.Humidity
In Supt, the average relative humidity in September is 85%.Rainfall
In Supt, in September, it is raining for 15.5 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, there are 174.4 rainfall days, and 1495mm (58.86") of precipitation is accumulated.Snowfall
In Supt, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:56 and sunset at 20:15. On the last day of September, in Supt, France, sunrise is at 07:34 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In Supt, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in September translates into these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Supt, France
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).
Average pressure in September
Supt, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Supt, France
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Supt, France
- Average humidity in September: 85%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April, July and August (83%).
Average rainfall in September
Supt, France
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is June (172mm).
The driest month (with the least rainfall) is October (79mm).
Average rainfall days in September
Supt, France
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Supt, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (705mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Supt, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Supt, France
- 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: 7h and 12min
The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Supt, France
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in September
Supt, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Supt, France
- Average cloud cover in September: 48
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Supt, France
- Average visibility in September: 7km
The months with the highest visibility are April, June, July and August (8km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (7km).





