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 shift from August to September includes a small decrease in the average high-temperature, from a warm 25.2°C (77.4°F) to a pleasant 21.9°C (71.4°F). An average low-temperature of 11.8°C (53.2°F) is common in Vallières-les-Grandes, France, during the nights of September.Humidity
The average relative humidity in September is 72%.Rainfall
March and September are months with the least rain in Vallières-les-Grandes when the rain falls for 9.5 days and typically aggregates up to 21mm (0.83") of rain.Snowfall
In Vallières-les-Grandes, snow does not fall in March through October.Daylight
In September, the average length of the day in Vallières-les-Grandes is 12h and 34min.On the first day of the month, sunrise is at 07:14 and sunset at 20:35. On the last day of September, in Vallières-les-Grandes, France, sunrise is at 07:53 and sunset at 19:36 CEST.
Sunshine
In Vallières-les-Grandes, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vallières-les-Grandes in September?
What is the average humidity in September in Vallières-les-Grandes?
What is the driest month in Vallières-les-Grandes?
How much does it rain in Vallières-les-Grandes in September?
When it does not snow in Vallières-les-Grandes?
How many hours of daylight does Vallières-les-Grandes have in September?
What time are sunrise and sunset in September in Vallières-les-Grandes?
How many hours of sunshine does Vallières-les-Grandes have in September?
What is the UV index reading in September in Vallières-les-Grandes?
Average temperature in September
Vallières-les-Grandes, France
- Average high temperature in September: 21.9°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.7°C).
The coldest months (with the lowest average low temperature) are January and February (2°C).
Average pressure in September
Vallières-les-Grandes, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in September
Vallières-les-Grandes, France
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Vallières-les-Grandes, France
- Average humidity in September: 72%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Vallières-les-Grandes, France
- Average rainfall in September: 21mm
The wettest months (with the highest rainfall) are May, November and December (39mm).
The driest months (with the least rainfall) are March and September (21mm).
Average rainfall days in September
Vallières-les-Grandes, France
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in September
Vallières-les-Grandes, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Vallières-les-Grandes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Vallières-les-Grandes, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Vallières-les-Grandes, France
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Vallières-les-Grandes, France
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Vallières-les-Grandes, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Vallières-les-Grandes, 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).
