Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In Couternon, entering September brings a subtle temperature decrement, reducing from August's warm 24.6°C (76.3°F) to an agreeable 20.5°C (68.9°F). September in Couternon witnesses an average low-temperature hovering around a cool 10.5°C (50.9°F).Humidity
In Couternon, France, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Couternon is September, when the rain falls for 10.6 days and typically collects 26mm (1.02") of precipitation.Snowfall
In Couternon, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 34min.On the first day of September in Couternon, sunrise is at 06:59 and sunset at 20:19. On the last day of the month, sunrise is at 07:37 and sunset at 19:20 CEST.
Sunshine
The average sunshine in September in Couternon is 8.4h.UV index
In Couternon, France, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Couternon?
What is the average humidity in September in Couternon?
What is the driest month in Couternon?
How many days does it rain in September in Couternon?
When it does not snow in Couternon?
What is the average length of the day in September in Couternon?
When is the sunrise / sunset in September in Couternon?
How many hours of sunshine does Couternon have in September?
What is the UV index reading in September in Couternon?
Average temperature in September
Couternon, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Couternon, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Couternon, France
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Couternon, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Couternon, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Couternon, France
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in September
Couternon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Couternon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.7 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
Couternon, France
- Average daylight in September: 12h and 4min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Couternon, France
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Couternon, 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
Couternon, France
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Couternon, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June, July, August and September (9km).
The months with the lowest visibility are January, May, October, November and December (8km).
Couternon, France
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