September weather forecastCoulmer, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Coulmer, France, with an average temperature ranging between max 19.9°C (67.8°F) and min 10°C (50°F).Temperature
Coulmer observes a minor difference in average high-temperatures between August's 22.6°C (72.7°F) and September's 19.9°C (67.8°F). Coulmer cools down to an average low-temperature of 10°C (50°F) throughout the month of September.Humidity
The average relative humidity in September in Coulmer is 79%.Rainfall
September is the month with the least rainfall in Coulmer, France. Rain falls for 12.4 days and accumulates 28mm (1.1") of precipitation.Snowfall
May through October are months without snowfall in Coulmer, France.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September in Coulmer, France, sunrise is at 07:16 and sunset at 20:40. On the last day of the month, sunrise is at 07:57 and sunset at 19:39 CEST.
Sunshine
In September, the average sunshine in Coulmer is 7.2h.UV index
In Coulmer, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coulmer, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 10°C
The months with the highest average low temperature are July and August (12.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Coulmer, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Coulmer, France
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Coulmer, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Coulmer, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Coulmer, France
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in September
Coulmer, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Coulmer, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Coulmer, 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 18min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Coulmer, France
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in September
Coulmer, 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
Coulmer, France
- Average cloud cover in September: 44
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in September
Coulmer, France
- Average visibility in September: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
