September weather forecastNeuilly-le-Bisson, France
September
Weather in September
September, the first month of the autumn in Neuilly-le-Bisson, is still a comfortable month, with temperature in the range of an average low of 10°C (50°F) and an average high of 19.9°C (67.8°F).Temperature
The onset of September brings with it an average high-temperature of an enjoyable 19.9°C (67.8°F), showing a negligible variation from the month before. During the nights in September, Neuilly-le-Bisson experiences a consistent average temperature of 10°C (50°F).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 28mm (1.1") of precipitation.Snowfall
In Neuilly-le-Bisson, snow does not fall in May through October.Daylight
In Neuilly-le-Bisson, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 07:17 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 Neuilly-le-Bisson, the average sunshine in September is 7.2h.UV index
The average daily maximum UV index in September in Neuilly-le-Bisson, France, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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
Neuilly-le-Bisson, 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).
