September weather forecastPrinquiau, France
September
Weather in September
September, the first month of the autumn in Prinquiau, is still a pleasant month, with an average temperature fluctuating between 20.7°C (69.3°F) and 12.9°C (55.2°F).Temperature
The arrival of September sees an average high-temperature of a still agreeable 20.7°C (69.3°F), hardly diverging from August's 22.4°C (72.3°F). An average nighttime temperature of 12.9°C (55.2°F) is observed during September.Humidity
July through September, with an average relative humidity of 76%, are the least humid months in Prinquiau.Rainfall
In Prinquiau, France, during September, the rain falls for 9.7 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, in Prinquiau, there are 164.1 rainfall days, and 535mm (21.06") of precipitation is accumulated.Snowfall
March, May through October are months without snowfall.Daylight
In Prinquiau, the average length of the day in September is 12h and 34min.On the first day of September in Prinquiau, sunrise is at 07:27 and sunset at 20:48. On the last day of the month, sunrise is at 08:06 and sunset at 19:49 CEST.
Sunshine
In September, the average sunshine in Prinquiau is 8.1h.UV index
In September, the average daily maximum UV index in Prinquiau is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Prinquiau, France
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 12.9°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Prinquiau, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in September
Prinquiau, France
- Average wind speed in September: 14.8km/h
The windiest month (with the highest average wind speed) is February (21.1km/h).
The calmest month (with the lowest average wind speed) is August (14.1km/h).
Average humidity in September
Prinquiau, France
- Average humidity in September: 76%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July, August and September (76%).
Average rainfall in September
Prinquiau, France
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Prinquiau, France
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is January (18.1 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in September
Prinquiau, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January, February, April, November and December (1mm).
The months with the least snowfall are March, May, June, July, August, September and October (0mm).
Average snowfall days in September
Prinquiau, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Prinquiau, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Prinquiau, France
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is November (10.5 days).
Average UV index in September
Prinquiau, France
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Prinquiau, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Prinquiau, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





