September weather forecastPetosse, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Petosse, France, with an average temperature varying between 22.5°C (72.5°F) and 12.3°C (54.1°F).Temperature
In September, the average high-temperature registers at an agreeable 22.5°C (72.5°F), nearly identical to August's 25.3°C (77.5°F). Petosse experiences a consistent average temperature of 12.3°C (54.1°F) throughout the nights in September.Humidity
In September, the average relative humidity is 71%.Rainfall
In September, in Petosse, the rain falls for 8.1 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Petosse, during the entire year, the rain falls for 151 days and collects up to 417mm (16.42") of precipitation.Snowfall
April through November are months without snowfall in Petosse, France.Daylight
The average length of the day in September in Petosse, France, is 12h and 33min.On the first day of the month, sunrise is at 07:24 and sunset at 20:42. On the last day of September, sunrise is at 08:01 and sunset at 19:45 CEST.
Sunshine
In Petosse, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Petosse is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Make use of precautions - It is urged to ward off sun damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Petosse, France
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Petosse, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Petosse, France
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Petosse, France
- Average humidity in September: 71%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Petosse, France
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in September
Petosse, France
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is September (8.1 days).
Average snowfall in September
Petosse, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Petosse, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Petosse, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in September
Petosse, France
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Petosse, 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 and December (UV index 2).
Average cloud cover in September
Petosse, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Petosse, 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).





