September weather forecastSainte-Mesme, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Sainte-Mesme, France, with an average temperature fluctuating between 20.8°C (69.4°F) and 11.5°C (52.7°F).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 24.3°C (75.7°F) to a pleasant 20.8°C (69.4°F). The nighttime temperature in Sainte-Mesme, France, during September, averages of 11.5°C (52.7°F).Humidity
The average relative humidity in September in Sainte-Mesme is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.6 days and typically collects 15mm (0.59") of precipitation.Snowfall
In Sainte-Mesme, France, snow does not fall in April through October.Daylight
In September, the average length of the day in Sainte-Mesme, France, is 12h and 35min.On the first day of the month, sunrise is at 07:10 and sunset at 20:33. On the last day of September, in Sainte-Mesme, sunrise is at 07:50 and sunset at 19:33 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Sainte-Mesme, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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
Sainte-Mesme, 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).





