September weather forecastCommeny, France
September
Weather in September
September, the first month of the autumn in Commeny, is still a pleasant month, with an average temperature varying between 20.7°C (69.3°F) and 11.5°C (52.7°F).Temperature
As Commeny enters September, the average high-temperature subtly lowers from the a warm 24.3°C (75.7°F) of August to a pleasant 20.7°C (69.3°F). Commeny observes an average low-temperature of 11.5°C (52.7°F) during September nights.Humidity
In September, the average relative humidity in Commeny is 73%.Rainfall
September is the month with the least rainfall in Commeny. Rain falls for 12.2 days and accumulates 25mm (0.98") of precipitation.Snowfall
April through October are months without snowfall in Commeny.Daylight
In Commeny, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:09 and sunset at 20:34. On the last day of September, sunrise is at 07:51 and sunset at 19:33 CEST.
Sunshine
In September, the average sunshine in Commeny is 7.5h.UV index
In Commeny, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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
Commeny, France
- Average high temperature in September: 20.7°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 (6°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.7°C).
Average pressure in September
Commeny, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in September
Commeny, France
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Commeny, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Commeny, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Commeny, France
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Commeny, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Commeny, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Commeny, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 30min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Commeny, France
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is June (8 days).
Average UV index in September
Commeny, 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
Commeny, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Commeny, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).





