September weather forecastErcheu, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ercheu, France, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 19.5°C (67.1°F).Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 23.1°C (73.6°F) in August to a comfortable 19.5°C (67.1°F). The low-temperature average for Ercheu during September stands at a fresh 10.7°C (51.3°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Ercheu, in September, during 12 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Ercheu, there are 176.8 rainfall days, and 514mm (20.24") of precipitation is accumulated.Snowfall
In Ercheu, snow does not fall in April through September.Daylight
In September, the average length of the day in Ercheu is 12h and 36min.On the first day of September, sunrise is at 07:04 and sunset at 20:31. On the last day of the month, sunrise is at 07:47 and sunset at 19:28 CEST.
Sunshine
In September, the average sunshine in Ercheu is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ercheu, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
Ercheu, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Ercheu, France
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Ercheu, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Ercheu, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Ercheu, France
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is September (12 days).
Average snowfall in September
Ercheu, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Ercheu, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ercheu, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Ercheu, France
- Average sunshine days in September: 15 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in September
Ercheu, 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
Ercheu, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Ercheu, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
