September weather forecastRaddon-et-Chapendu, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Raddon-et-Chapendu, France, with an average temperature ranging between min 9.4°C (48.9°F) and max 19.2°C (66.6°F).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 23.3°C (73.9°F) to a comfortable 19.2°C (66.6°F). Raddon-et-Chapendu's nights in September experience an average temperature drop to a frosty 9.4°C (48.9°F).Humidity
In Raddon-et-Chapendu, the average relative humidity in September is 82%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 34mm (1.34") of precipitation.Snowfall
April through September are months without snowfall in Raddon-et-Chapendu.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September in Raddon-et-Chapendu, sunrise is at 06:53 and sunset at 20:14. On the last day of the month, sunrise is at 07:32 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September in Raddon-et-Chapendu is 8.5h.UV index
In Raddon-et-Chapendu, France, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Raddon-et-Chapendu, France
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Raddon-et-Chapendu, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Raddon-et-Chapendu, France
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Raddon-et-Chapendu, France
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Raddon-et-Chapendu, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (99mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Raddon-et-Chapendu, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is September (11.6 days).
Average snowfall in September
Raddon-et-Chapendu, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (89mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Raddon-et-Chapendu, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Raddon-et-Chapendu, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Raddon-et-Chapendu, France
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Raddon-et-Chapendu, France
- 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, November and December (UV index 2).
Average cloud cover in September
Raddon-et-Chapendu, France
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Raddon-et-Chapendu, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April and August (9km).
The months with the lowest visibility are January, May, June, July, September, October, November and December (8km).





