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
As September begins, there is a minor decrease in the average high-temperature, softly falling from a moderately hot 23.3°C (73.9°F) in August to an enjoyable 18.9°C (66°F). In Allègre, the September nights cool down to an average low of 7.4°C (45.3°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Allègre, in September, during 12.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Allègre, during the entire year, the rain falls for 157.7 days and collects up to 532mm (20.94") of precipitation.Snowfall
January through May, September through December are months with snowfall in Allègre. September is the first month it typically snows in Allègre. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 56.9 snowfall days, and 652mm (25.67") of snow is accumulated.Daylight
In September, the average length of the day in Allègre is 12h and 32min.On the first day of the month, sunrise is at 07:07 and sunset at 20:22. On the last day of September, in Allègre, sunrise is at 07:42 and sunset at 19:27 CEST.
Sunshine
In September, the average sunshine in Allègre, France, is 8.3h.UV index
In September, the average daily maximum UV index in Allègre is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are September temperatures in Allègre?
What is the average humidity in September in Allègre?
How many days does it rain in September in Allègre?
When does it start to snow in Allègre?
How many hours of daylight does Allègre have in September?
When is the sunrise / sunset in September in Allègre?
How long on average sun shines in September in Allègre?
How high is the UV index in September in Allègre?
Average temperature in September
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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
Allègre, 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).
Allègre, France
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