September weather forecastBertignolles, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Bertignolles, France, with an average temperature fluctuating between 10.2°C (50.4°F) and 20.3°C (68.5°F).Temperature
In Bertignolles, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 24.3°C (75.7°F) to an agreeable 20.3°C (68.5°F). Throughout September nights, Bertignolles experiences a consistent temperature average of 10.2°C (50.4°F).Humidity
The average relative humidity in September in Bertignolles is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 27mm (1.06") of precipitation.Snowfall
In Bertignolles, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 35min.On the first day of the month, sunrise is at 07:00 and sunset at 20:23. On the last day of September, sunrise is at 07:40 and sunset at 19:22 CEST.
Sunshine
In September, the average sunshine in Bertignolles is 7.9h.UV index
In Bertignolles, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. 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
Bertignolles, France
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Bertignolles, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in September
Bertignolles, France
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Bertignolles, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Bertignolles, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Bertignolles, France
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Bertignolles, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bertignolles, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 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
Bertignolles, 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 24min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Bertignolles, France
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Bertignolles, 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
Bertignolles, France
- Average cloud cover in September: 37
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Bertignolles, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).





