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 begins, there is a minor decrease in the average high-temperature, softly falling from a moderately hot 24.9°C (76.8°F) in August to an agreeable 20.5°C (68.9°F). The average temperature during September nights in Valff, France, is registered at a fresh 10°C (50°F).Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall in Valff is September, when the rain falls for 10.5 days and typically collects 26mm (1.02") of precipitation.Snowfall
April through September are months without snowfall.Daylight
In September, the average length of the day in Valff is 12h and 35min.On the first day of September in Valff, sunrise is at 06:48 and sunset at 20:11. On the last day of the month, sunrise is at 07:28 and sunset at 19:10 CEST.
Sunshine
In Valff, France, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Valff 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 daily high UV index of 4 during September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Valff in September?
What is the average humidity in September in Valff?
What is the driest month in Valff?
How much does it rain in Valff in September?
When it does not snow in Valff?
Does it snow in Valff in September?
How many hours of daylight does Valff have in September?
When is the sunrise / sunset in September in Valff?
How many hours of sunshine does Valff have in September?
What is the UV index intensity in September in Valff?
Average temperature in September
Valff, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Valff, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Valff, France
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Valff, France
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in September
Valff, France
- Average rainfall in September: 26mm
The wettest months (with the highest rainfall) are June and July (56mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Valff, France
- Average rainfall days in September: 10.5 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in September
Valff, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Valff, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Valff, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Valff, France
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Valff, France
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Valff, France
- Average cloud cover in September: 33
The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Valff, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
Valff, France
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