September weather forecastLa Piarre, France
September
Weather in September
September, the first month of the autumn in La Piarre, is also an enjoyable month, with temperature in the range of an average low of 8.3°C (46.9°F) and an average high of 18.1°C (64.6°F).Temperature
The average high-temperature slightly decreases in September, shifting from an agreeable 22.4°C (72.3°F) in August to a comfortable 18.1°C (64.6°F). In September, the average low-temperature records at a frosty 8.3°C (46.9°F) during the nights.Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 10.7 days. Throughout September, 41mm (1.61") of precipitation is accumulated. In La Piarre, during the entire year, the rain falls for 108.8 days and collects up to 640mm (25.2") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in La Piarre. Throughout September, in the average 0.3 snowfall days, it receives 13mm (0.51") of snow. Throughout the year, there are 47.2 snowfall days, and 1756mm (69.13") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 07:00 and sunset at 20:13. On the last day of September, sunrise is at 07:34 and sunset at 19:19 CEST.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Piarre, France
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in September
La Piarre, France
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
La Piarre, France
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (8km/h).
Average humidity in September
La Piarre, France
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
La Piarre, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is February (38mm).
Average rainfall days in September
La Piarre, France
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (14.7 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in September
La Piarre, France
- Average snowfall in September: 13mm
The month with the highest snowfall is December (482mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
La Piarre, France
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
La Piarre, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
La Piarre, France
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in September
La Piarre, 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
La Piarre, France
- Average cloud cover in September: 27
The months with the most cloud cover are February and November (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
La Piarre, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
