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 arrives, Allonzier-la-Caille's weather displays a minor decrease in high-temperatures, transitioning from August's warm 23.6°C (74.5°F) to a refreshing 19°C (66.2°F). Nighttime temperatures in September average to a chilly 7.8°C (46°F) in Allonzier-la-Caille.Humidity
In Allonzier-la-Caille, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.8 days and typically collects 47mm (1.85") of precipitation.Snowfall
January through May, September through December are months with snowfall in Allonzier-la-Caille. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Allonzier-la-Caille, during the entire year, snow falls for 29.1 days and aggregates up to 619mm (24.37") of snow.Daylight
In Allonzier-la-Caille, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:56 and sunset at 20:13. On the last day of the month, sunrise is at 07:33 and sunset at 19:17 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Allonzier-la-Caille, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the average September temperature in Allonzier-la-Caille?
What is the average humidity in September in Allonzier-la-Caille?
What is the driest month in Allonzier-la-Caille?
How many days does it rain in September in Allonzier-la-Caille?
When does it start to snow in Allonzier-la-Caille?
How many hours of daylight does Allonzier-la-Caille have in September?
When is the sunrise / sunset in September in Allonzier-la-Caille?
How long on average sun shines in September in Allonzier-la-Caille?
What is the UV index reading in September in Allonzier-la-Caille?
Average temperature in September
Allonzier-la-Caille, France
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in September
Allonzier-la-Caille, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Allonzier-la-Caille, France
- Average wind speed in September: 5.9km/h
The windiest months (with the highest average wind speed) are February and March (7.5km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Allonzier-la-Caille, France
- Average humidity in September: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Allonzier-la-Caille, France
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is December (119mm).
The driest month (with the least rainfall) is September (47mm).
Average rainfall days in September
Allonzier-la-Caille, France
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is October (11.6 days).
Average snowfall in September
Allonzier-la-Caille, France
- Average snowfall in September: 1mm
The month with the highest snowfall is December (171mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Allonzier-la-Caille, France
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Allonzier-la-Caille, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Allonzier-la-Caille, France
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in September
Allonzier-la-Caille, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Allonzier-la-Caille, France
- Average cloud cover in September: 32
The months with the most cloud cover are January and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Allonzier-la-Caille, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
Allonzier-la-Caille, France
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