September weather forecastAvallon, France
September
Weather in September
September, the first month of the autumn in Avallon, is also an agreeable month, with temperature in the range of an average low of 11.2°C (52.2°F) and an average high of 21°C (69.8°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from a warm 24.8°C (76.6°F) in August to an agreeable 21°C (69.8°F). In Avallon, the nighttime temperature averages to a fresh 11.2°C (52.2°F) during September.Humidity
In Avallon, the average relative humidity in September is 74%.Rainfall
In Avallon, in September, it is raining for 11 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 162.7 rainfall days, and 472mm (18.58") of precipitation is accumulated.Snowfall
In Avallon, snow does not fall in April through October.Daylight
In Avallon, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 07:03 and sunset at 20:24. On the last day of the month, sunrise is at 07:42 and sunset at 19:25 CEST.
Sunshine
The average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Avallon is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avallon, France
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Avallon, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Avallon, France
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Avallon, France
- Average humidity in September: 74%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Avallon, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in September
Avallon, France
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Avallon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Avallon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.1 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
Avallon, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Avallon, France
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is March (17.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Avallon, 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
Avallon, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Avallon, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August, September and October (9km).
The months with the lowest visibility are January, May, June, November and December (8km).





