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
September
Weather in September
Temperature
The arrival of September signals a subtle shift in temperature, down from a warm 23.3°C (73.9°F) in August to a refreshing 18.9°C (66°F). The temperature dips to an average of 7.4°C (45.3°F) during September nights.Humidity
In September, the average relative humidity in Fontannes is 78%.Rainfall
In Fontannes, in September, it is raining for 12.1 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, in Fontannes, there are 157.7 rainfall days, and 532mm (20.94") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Fontannes. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Fontannes, France, during the entire year, snow falls for 56.9 days and aggregates up to 652mm (25.67") of snow.Daylight
In Fontannes, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 07:08 and sunset at 20:23. On the last day of September, sunrise is at 07:43 and sunset at 19:28 CEST.
Sunshine
In Fontannes, the average sunshine in September is 8.3h.UV index
In Fontannes, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Fontannes?
What is the average humidity in September in Fontannes?
How much does it rain in Fontannes in September?
When does it start to snow in Fontannes?
How many hours of daylight does Fontannes have in September?
When is the sunrise / sunset in September in Fontannes?
How many hours of sunshine does Fontannes have in September?
How high is the UV index in September in Fontannes?
Average temperature in September
Fontannes, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in September
Fontannes, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Fontannes, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Fontannes, France
- Average humidity in September: 78%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Fontannes, France
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in September
Fontannes, France
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Fontannes, France
- Average snowfall in September: 1mm
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Fontannes, France
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fontannes, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Fontannes, France
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in September
Fontannes, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Fontannes, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Fontannes, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (8km).
The months with the lowest visibility are January and November (7km).
