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
The arrival of September signals a subtle shift in temperature, down from a warm 24.8°C (76.6°F) in August to a pleasant 20.9°C (69.6°F). Valenton's average low-temperature is measured at a cool 11.8°C (53.2°F) during September.Humidity
The average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.7 days and typically collects 21mm (0.83") of precipitation.Snowfall
April through October are months without snowfall in Valenton, France.Daylight
In Valenton, the average length of the day in September is 12h and 35min.On the first day of September in Valenton, sunrise is at 07:07 and sunset at 20:32. On the last day of the month, sunrise is at 07:48 and sunset at 19:30 CEST.
Sunshine
The average sunshine in September in Valenton is 7.8h.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 unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are September temperatures in Valenton?
What is the average humidity in September in Valenton?
What is the driest month in Valenton?
How many days does it rain in September in Valenton?
When it does not snow in Valenton?
What is the average length of the day in September in Valenton?
When is the sunrise / sunset in September in Valenton?
How long on average sun shines in September in Valenton?
What is the UV index intensity in September in Valenton?
Average temperature in September
Valenton, France
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Valenton, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Valenton, France
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Valenton, France
- Average humidity in September: 72%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Valenton, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Valenton, France
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in September
Valenton, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Valenton, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Valenton, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Valenton, 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 (10.9 days).
Average UV index in September
Valenton, 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
Valenton, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Valenton, 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).
Valenton, France
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