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
La Groise experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 23.2°C (73.8°F) in August to a comfortable 19.5°C (67.1°F). Throughout September, La Groise encounters an average temperature drop to a cool 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 29mm (1.14") of precipitation.Snowfall
In La Groise, snow does not fall in April through October.Daylight
In La Groise, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 07:01 and sunset at 20:29. On the last day of September, sunrise is at 07:44 and sunset at 19:25 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are September temperatures in La Groise?
What is the average humidity in September in La Groise?
What is the driest month in La Groise?
How many days does it rain in September in La Groise?
When it does not snow in La Groise?
How many hours of daylight does La Groise have in September?
What time are sunrise and sunset in September in La Groise?
How many hours of sunshine does La Groise have in September?
What is the UV index intensity in September in La Groise?
Average temperature in September
La Groise, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
La Groise, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
La Groise, France
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
La Groise, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
La Groise, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is December (67mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
La Groise, France
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is September (13.5 days).
Average snowfall in September
La Groise, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
La Groise, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 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
La Groise, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
La Groise, France
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is September (12.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
La Groise, 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
La Groise, France
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
La Groise, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
La Groise, France
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