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 transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 28.1°C (82.6°F) in August to a still moderately hot 23.7°C (74.7°F). Les Aires records an average low of 15.8°C (60.4°F) throughout the nights in September.Humidity
The average relative humidity in September is 67%.Rainfall
In September, the rain falls for 8.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, in Les Aires, there are 131 rainfall days, and 444mm (17.48") of precipitation is accumulated.Snowfall
In Les Aires, snow does not fall in January, April through December.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 07:11 and sunset at 20:22. On the last day of September, sunrise is at 07:44 and sunset at 19:30 CEST.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September in Les Aires is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Les Aires?
What is the average humidity in September in Les Aires?
How much does it rain in Les Aires in September?
When it does not snow in Les Aires?
How many hours of daylight does Les Aires have in September?
When are sunrise and sunset in September in Les Aires?
How long on average sun shines in September in Les Aires?
What is the UV index reading in September in Les Aires?
Average temperature in September
Les Aires, France
- Average high temperature in September: 23.7°C
The warmest months (with the highest average high temperature) are July and August (28.1°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).
Average pressure in September
Les Aires, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in September
Les Aires, France
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in September
Les Aires, France
- Average humidity in September: 67%
The months with the highest relative humidity are November and December (77%).
The months with the lowest relative humidity are July and August (62%).
Average rainfall in September
Les Aires, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in September
Les Aires, France
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is July (8.1 days).
Average snowfall in September
Les Aires, France
- Average snowfall in September: 0mm
The month with the highest snowfall is March (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Les Aires, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Les Aires, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in September
Les Aires, France
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in September
Les Aires, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Les Aires, France
- Average cloud cover in September: 21
The month with the most cloud cover is November (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Les Aires, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
