September weather forecastPierlas, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Pierlas, France, with an average temperature fluctuating between 15.3°C (59.5°F) and 22.5°C (72.5°F).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 26.2°C (79.2°F) in August to an agreeable 22.5°C (72.5°F). Pierlas, in September, observes a steady average low-temperature of 15.3°C (59.5°F).Humidity
In Pierlas, the average relative humidity in September is 68%.Rainfall
In September, the rain falls for 9.2 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Pierlas, during the entire year, the rain falls for 116.3 days and collects up to 523mm (20.59") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Pierlas, France, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 06:55 and sunset at 20:07. On the last day of the month, sunrise is at 07:28 and sunset at 19:14 CEST.
Sunshine
In Pierlas, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pierlas, France
- Average high temperature in September: 22.5°C
The warmest months (with the highest average high temperature) are July and August (26.2°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
Pierlas, France
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is April (1013.9mbar).
Average wind speed in September
Pierlas, France
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Pierlas, France
- Average humidity in September: 68%
The month with the highest relative humidity is November (72%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Pierlas, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in September
Pierlas, France
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is August (7.4 days).
Average snowfall in September
Pierlas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Pierlas, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Pierlas, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in September
Pierlas, France
- Average sunshine days in September: 19 days
The months with the most sunshine days are October and December (21.2 days).
The month with the least sunshine days is May (15.2 days).
Average UV index in September
Pierlas, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Pierlas, France
- Average cloud cover in September: 16
The months with the most cloud cover are February and November (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Pierlas, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





