September weather forecastAuthuille, France
September
Weather in September
September, the first month of the autumn in Authuille, is still a refreshing month, with temperature in the range of an average high of 19.5°C (67.1°F) and an average low of 11.2°C (52.2°F).Temperature
With the onset of September, Authuille experiences a modest temperature adjustment, with the average high-temperature gently receding from a pleasant 22.8°C (73°F) in August to an enjoyable 19.5°C (67.1°F). Authuille in September anticipates an average nighttime temperature of 11.2°C (52.2°F).Humidity
The average relative humidity in September in Authuille is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 21mm (0.83") of precipitation.Snowfall
In Authuille, France, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 07:05 and sunset at 20:33. On the last day of the month, sunrise is at 07:48 and sunset at 19:29 CEST.
Sunshine
In Authuille, the average sunshine in September is 7.3h.UV index
In Authuille, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Be vigilant - Preventing sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Authuille, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Authuille, France
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in September
Authuille, France
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in September
Authuille, France
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Authuille, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Authuille, France
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is December (15.8 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Authuille, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Authuille, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Authuille, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Authuille, France
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in September
Authuille, 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
Authuille, France
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Authuille, 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).





