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
With the onset of September, Aillon-le-Vieux's average high-temperature slightly adjusts, moderately receding from August's warm 24.8°C (76.6°F) to a refreshing 19.9°C (67.8°F). In the month of September, the average low-temperature in Aillon-le-Vieux usually rests at a chilly 8.5°C (47.3°F).Humidity
In Aillon-le-Vieux, France, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Aillon-le-Vieux is September, when the rain falls for 12.5 days and typically collects 40mm (1.57") of precipitation.Snowfall
In Aillon-le-Vieux, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Aillon-le-Vieux, sunrise is at 06:57 and sunset at 20:13. On the last day of the month, sunrise is at 07:33 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are the temperatures in Aillon-le-Vieux in September?
What is the average humidity in September in Aillon-le-Vieux?
What is the driest month in Aillon-le-Vieux?
How much does it rain in Aillon-le-Vieux in September?
When it does not snow in Aillon-le-Vieux?
Does it snow in Aillon-le-Vieux in September?
How many hours of daylight does Aillon-le-Vieux have in September?
When is the sunrise / sunset in September in Aillon-le-Vieux?
How long on average sun shines in September in Aillon-le-Vieux?
What is the UV index reading in September in Aillon-le-Vieux?
Average temperature in September
Aillon-le-Vieux, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in September
Aillon-le-Vieux, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Aillon-le-Vieux, France
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).
Average humidity in September
Aillon-le-Vieux, France
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Aillon-le-Vieux, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in September
Aillon-le-Vieux, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).
Average snowfall in September
Aillon-le-Vieux, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Aillon-le-Vieux, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Aillon-le-Vieux, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Aillon-le-Vieux, France
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).
Average UV index in September
Aillon-le-Vieux, 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
Aillon-le-Vieux, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Aillon-le-Vieux, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).
Aillon-le-Vieux, France
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