September weather forecastNorrois, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Norrois, France, with temperature in the range of an average low of 10.5°C (50.9°F) and an average high of 20.5°C (68.9°F).Temperature
Norrois observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 24.3°C (75.7°F) to an agreeable 20.5°C (68.9°F). The average low-temperature of 10.5°C (50.9°F) is witnessed during September.Humidity
The average relative humidity in September in Norrois is 77%.Rainfall
In Norrois, France, in September, during 11.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Norrois, during the entire year, the rain falls for 188.1 days and collects up to 585mm (23.03") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Norrois is 12h and 35min.On the first day of the month, sunrise is at 06:59 and sunset at 20:23. On the last day of September, in Norrois, sunrise is at 07:40 and sunset at 19:22 CEST.
Sunshine
The average sunshine in September in Norrois is 8.2h.UV index
The average daily maximum UV index in September in Norrois, France, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Norrois, France
- Average high temperature in September: 20.5°C
The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Norrois, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Norrois, France
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Norrois, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Norrois, France
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in September
Norrois, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Norrois, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Norrois, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 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
Norrois, 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: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Norrois, France
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Norrois, 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
Norrois, France
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in September
Norrois, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
