September weather forecastLe Val-Saint-Germain, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Le Val-Saint-Germain, France, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 20.8°C (69.4°F).Temperature
September brings a slight decrease in temperature, down from a warm 24.3°C (75.7°F) in August to a pleasant 20.8°C (69.4°F). Throughout the month of September, Le Val-Saint-Germain witnesses an average low-temperature of 11.5°C (52.7°F).Humidity
The average relative humidity in September in Le Val-Saint-Germain is 73%.Rainfall
September is the month with the least rainfall in Le Val-Saint-Germain. Rain falls for 9.6 days and accumulates 15mm (0.59") of precipitation.Snowfall
In Le Val-Saint-Germain, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 35min.On the first day of the month, sunrise is at 07:09 and sunset at 20:33. On the last day of September, sunrise is at 07:50 and sunset at 19:32 CEST.
Sunshine
In Le Val-Saint-Germain, the average sunshine in September is 7.7h.UV index
In Le Val-Saint-Germain, France, 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 high UV index of 4 in September translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Le Val-Saint-Germain, France
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (1.6°C).
Average pressure in September
Le Val-Saint-Germain, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Le Val-Saint-Germain, France
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Le Val-Saint-Germain, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Le Val-Saint-Germain, France
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in September
Le Val-Saint-Germain, France
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Le Val-Saint-Germain, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January, March and December (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Le Val-Saint-Germain, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Le Val-Saint-Germain, France
- Average daylight in September: 12h and 36min
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 24min).
- Average sunshine in September: 7h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Le Val-Saint-Germain, France
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Le Val-Saint-Germain, 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
Le Val-Saint-Germain, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Le Val-Saint-Germain, 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).
