September weather forecastPierrefitte-sur-Aire, France
September
Weather in September
September, the first month of the autumn in Pierrefitte-sur-Aire, is still a comfortable month, with an average temperature fluctuating between 19.4°C (66.9°F) and 9.8°C (49.6°F).Temperature
With the commencement of September, Pierrefitte-sur-Aire records a moderate temperature decline, with the average high easing from August's moderately hot 23.3°C (73.9°F) to an enjoyable 19.4°C (66.9°F). September nights experience a consistent temperature drop to a chilly 9.8°C (49.6°F).Humidity
The average relative humidity in September is 79%.Rainfall
The months with the least rainfall in Pierrefitte-sur-Aire are April, September and October Rain falls for 10.6 days and accumulates 34mm (1.34") of rain.Snowfall
April, June through September are months without snowfall in Pierrefitte-sur-Aire.Daylight
In Pierrefitte-sur-Aire, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:56 and sunset at 20:20. On the last day of the month, sunrise is at 07:37 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pierrefitte-sur-Aire, France
- Average high temperature in September: 19.4°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 (3.8°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Pierrefitte-sur-Aire, 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
Pierrefitte-sur-Aire, France
- Average wind speed in September: 10.7km/h
The windiest months (with the highest average wind speed) are February and December (16.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Pierrefitte-sur-Aire, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Pierrefitte-sur-Aire, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (75mm).
The driest months (with the least rainfall) are April, September and October (34mm).
Average rainfall days in September
Pierrefitte-sur-Aire, France
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in September
Pierrefitte-sur-Aire, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in September
Pierrefitte-sur-Aire, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pierrefitte-sur-Aire, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Pierrefitte-sur-Aire, France
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Pierrefitte-sur-Aire, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Pierrefitte-sur-Aire, France
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Pierrefitte-sur-Aire, 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).
