September weather forecastNiergnies, France
September
Weather in September
September, the first month of the autumn in Niergnies, is also an enjoyable month, with an average temperature fluctuating between 19.6°C (67.3°F) and 11.2°C (52.2°F).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 23.3°C (73.9°F) in August to an enjoyable 19.6°C (67.3°F). In September, Niergnies experiences a temperature dip to an average of 11.2°C (52.2°F) at night.Humidity
In Niergnies, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Niergnies is September, when the rain falls for 10.2 days and typically collects 20mm (0.79") of precipitation.Snowfall
In Niergnies, France, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 07:02 and sunset at 20:30. On the last day of the month, sunrise is at 07:46 and sunset at 19:27 CEST.
Sunshine
In September, the average sunshine in Niergnies is 7.5h.UV index
The average daily maximum UV index in September in Niergnies, France, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Niergnies, France
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Niergnies, France
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Niergnies, France
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Niergnies, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Niergnies, France
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Niergnies, France
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is December (16.3 days).
The month with the least rainy days is September (10.2 days).
Average snowfall in September
Niergnies, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Niergnies, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Niergnies, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Niergnies, France
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Niergnies, 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
Niergnies, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Niergnies, 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).
