September weather forecastÉpiais, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Épiais, France, with an average temperature varying between 21.5°C (70.7°F) and 11.7°C (53.1°F).Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 24.9°C (76.8°F) in August to an agreeable 21.5°C (70.7°F). September sees the temperature falling to a mean low of 11.7°C (53.1°F).Humidity
In Épiais, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Épiais, France, is September, when the rain falls for 9.8 days and typically collects 25mm (0.98") of precipitation.Snowfall
April through October are months without snowfall in Épiais.Daylight
In September, the average length of the day 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, sunrise is at 07:53 and sunset at 19:36 CEST.
Sunshine
The average sunshine in September in Épiais, France, is 7.8h.UV index
In September, the average daily maximum UV index in Épiais is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Act with care - The need to guard against sun damage is communicated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Épiais, France
- Average high temperature in September: 21.5°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 (6.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.9°C).
Average pressure in September
Épiais, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Épiais, France
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is February (16.7km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Épiais, France
- Average humidity in September: 73%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Épiais, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (57mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Épiais, France
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in September
Épiais, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Épiais, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.9 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
Épiais, France
- Average daylight in September: 12h and 36min
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 48min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Épiais, France
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Épiais, 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
Épiais, 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
Épiais, 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).





