September weather forecastDiénay, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Diénay, France, with an average temperature ranging between max 20.5°C (68.9°F) and min 10.5°C (50.9°F).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's warm 24.6°C (76.3°F) to a pleasant 20.5°C (68.9°F). Throughout September, Diénay records an average temperature of 10.5°C (50.9°F) at night.Humidity
In Diénay, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.6 days and typically collects 26mm (1.02") of precipitation.Snowfall
April through October are months without snowfall in Diénay.Daylight
In Diénay, France, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:59 and sunset at 20:20. On the last day of September, sunrise is at 07:38 and sunset at 19:21 CEST.
Sunshine
In September, the average sunshine in Diénay is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Diénay, 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
Diénay, 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
Diénay, 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
Diénay, 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
Diénay, 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
Diénay, 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
Diénay, 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
Diénay, 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
Diénay, 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 24min
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
Diénay, 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
Diénay, 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
Diénay, 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
Diénay, 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).





