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
As August makes way for September, Les Authieux's average high-temperature eases from a warm 23.4°C (74.1°F) to a pleasant 20.1°C (68.2°F). Les Authieux records an average nighttime low-temperature of 11.1°C (52°F) throughout September.Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 23mm (0.91") of precipitation.Snowfall
May through October are months without snowfall in Les Authieux.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:12 and sunset at 20:37. On the last day of September, sunrise is at 07:53 and sunset at 19:35 CEST.
Sunshine
In September, the average sunshine in Les Authieux is 7.6h.UV index
In Les Authieux, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Les Authieux in September?
What is the average humidity in September in Les Authieux?
What is the driest month in Les Authieux?
How many days does it rain in September in Les Authieux?
When it does not snow in Les Authieux?
How many hours of daylight does Les Authieux have in September?
When is the sunrise / sunset in September in Les Authieux?
How many hours of sunshine does Les Authieux have in September?
What is the UV index intensity in September in Les Authieux?
Average temperature in September
Les Authieux, France
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Les Authieux, France
- Average pressure in September: 1018.1mbar
The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Les Authieux, France
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Les Authieux, France
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Les Authieux, France
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Les Authieux, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Les Authieux, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Les Authieux, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Les Authieux, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Les Authieux, France
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Les Authieux, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Les Authieux, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Les Authieux, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, May and June (8km).
