September weather forecastPlonéis, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Plonéis, France, with an average temperature fluctuating between 12.4°C (54.3°F) and 19.6°C (67.3°F).Temperature
The advent of September presents an average high-temperature of a refreshing 19.6°C (67.3°F), maintaining a close correlation with the preceding month. September sees the temperature falling to a mean low of 12.4°C (54.3°F).Humidity
In Plonéis, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 26mm (1.02") of precipitation.Snowfall
In Plonéis, snow does not fall in March through November.Daylight
In September, the average length of the day in Plonéis 12h and 34min.On the first day of September, sunrise is at 07:35 and sunset at 20:57. On the last day of the month, sunrise is at 08:15 and sunset at 19:57 CEST.
Sunshine
The average sunshine in September in Plonéis 7.5h.UV index
In September, the average daily maximum UV index in Plonéis, France, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plonéis, France
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.1°C).
Average pressure in September
Plonéis, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Plonéis, France
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Plonéis, France
- Average humidity in September: 80%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Plonéis, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Plonéis, France
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Plonéis, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Plonéis, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Plonéis, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Plonéis, France
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in September
Plonéis, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Plonéis, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Plonéis, 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).





