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
As September arrives, Les Grandes-Chapelles's weather displays a minor decrease in high-temperatures, transitioning from August's warm 25.3°C (77.5°F) to an agreeable 21.1°C (70°F). Les Grandes-Chapelles, during the nights of September, experiences an average temperature drop to a fresh 11.4°C (52.5°F).Humidity
In Les Grandes-Chapelles, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 25mm (0.98") of precipitation.Snowfall
April through October are months without snowfall in Les Grandes-Chapelles.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September in Les Grandes-Chapelles, sunrise is at 07:02 and sunset at 20:25. On the last day of the month, sunrise is at 07:42 and sunset at 19:24 CEST.
Sunshine
In September, the average sunshine in Les Grandes-Chapelles is 7.9h.UV index
In Les Grandes-Chapelles, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Make use of precautions - It is urged to ward off sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the temperature in September in Les Grandes-Chapelles?
What is the average humidity in September in Les Grandes-Chapelles?
What is the driest month in Les Grandes-Chapelles?
How many days does it rain in September in Les Grandes-Chapelles?
When it does not snow in Les Grandes-Chapelles?
How many hours of daylight does Les Grandes-Chapelles have in September?
When are sunrise and sunset in September in Les Grandes-Chapelles?
How many hours of sunshine does Les Grandes-Chapelles have in September?
What is the UV index reading in September in Les Grandes-Chapelles?
Average temperature in September
Les Grandes-Chapelles, France
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Les Grandes-Chapelles, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).
Average wind speed in September
Les Grandes-Chapelles, France
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Les Grandes-Chapelles, France
- Average humidity in September: 74%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Les Grandes-Chapelles, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Les Grandes-Chapelles, France
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in September
Les Grandes-Chapelles, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Les Grandes-Chapelles, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Les Grandes-Chapelles, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Les Grandes-Chapelles, France
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in September
Les Grandes-Chapelles, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Les Grandes-Chapelles, France
- Average cloud cover in September: 35
The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Les Grandes-Chapelles, France
- Average visibility in September: 9km
The months with the highest visibility are March, April, July, August and September (9km).
The months with the lowest visibility are January, February, May, June, October, November and December (8km).
Les Grandes-Chapelles, France
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