September weather forecastAillas, France
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Aillas, France, with an average temperature ranging between max 24.9°C (76.8°F) and min 13°C (55.4°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of 28.6°C (83.5°F) in August to a still warm 24.9°C (76.8°F). September's nights in Aillas, France, observe an average temperature of 13°C (55.4°F).Humidity
In September, the average relative humidity is 71%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 25mm (0.98") of precipitation.Snowfall
In Aillas, snow does not fall in April through November.Daylight
The average length of the day in September in Aillas, France, is 12h and 31min.On the first day of the month, sunrise is at 07:23 and sunset at 20:36. On the last day of September, in Aillas, sunrise is at 07:57 and sunset at 19:42 CEST.
Sunshine
In Aillas, France, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Aillas is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aillas, France
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (9.2°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is February (3.2°C).
Average pressure in September
Aillas, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Aillas, France
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest months (with the lowest average wind speed) are August and September (7.1km/h).
Average humidity in September
Aillas, France
- Average humidity in September: 71%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Aillas, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Aillas, France
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Aillas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Aillas, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Aillas, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Aillas, France
- Average sunshine days in September: 16.5 days
The months with the most sunshine days are August and October (17.1 days).
The months with the least sunshine days are April and May (11.5 days).
Average UV index in September
Aillas, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in September
Aillas, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Aillas, France
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
