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
September begins with an average high-temperature of a still warm 23°C (73.4°F), reflecting close similarity to the preceding month. Le Chay cools down to an average low-temperature of 13.5°C (56.3°F) throughout the month of September.Humidity
August and September, with an average relative humidity of 70%, are the least humid months.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Le Chay, during the entire year, the rain falls for 161.7 days and collects up to 495mm (19.49") of precipitation.Snowfall
April through November are months without snowfall in Le Chay.Daylight
The average length of the day in September in Le Chay is 12h and 32min.On the first day of the month, sunrise is at 07:25 and sunset at 20:41. On the last day of September, sunrise is at 08:01 and sunset at 19:45 CEST.
Sunshine
The average sunshine in September is 8.4h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Le Chay in September?
What are the least humid months in Le Chay?
What is the average humidity in September in Le Chay?
How much does it rain in Le Chay in September?
When it does not snow in Le Chay?
What is the average length of the day in September in Le Chay?
What time are sunrise and sunset in September in Le Chay?
How many hours of sunshine does Le Chay have in September?
What are the months with the highest UV index in Le Chay?
What is the UV index intensity in September in Le Chay?
Average temperature in September
Le Chay, France
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (9.1°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in September
Le Chay, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Le Chay, France
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Le Chay, France
- Average humidity in September: 70%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in September
Le Chay, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is July (21mm).
Average rainfall days in September
Le Chay, France
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in September
Le Chay, France
- Average snowfall in September: 0mm
The months with the highest snowfall are March and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Le Chay, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 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
Le Chay, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Le Chay, France
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in September
Le Chay, France
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in September
Le Chay, France
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Le Chay, France
- Average visibility in September: 10km
The months with the highest visibility are March, July, August and September (10km).
The months with the lowest visibility are January, February, April, May, June, October, November and December (9km).
