September weather forecastPlerneuf, France
September
Weather in September
September, the first month of the autumn in Plerneuf, is still a refreshing month, with an average temperature fluctuating between 19.2°C (66.6°F) and 11.5°C (52.7°F).Temperature
Plerneuf's September reports an average high-temperature of a refreshing 19.2°C (66.6°F), exhibiting a minor difference from August. Plerneuf temperatures generally rest at a low of 11.5°C (52.7°F) during the September nights.Humidity
The least humid month in Plerneuf is September, with an average relative humidity of 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 11 days and typically collects 18mm (0.71") of precipitation.Snowfall
May through October are months without snowfall in Plerneuf.Daylight
The average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 07:29 and sunset at 20:53. On the last day of the month, sunrise is at 08:10 and sunset at 19:52 CEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In Plerneuf, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plerneuf, France
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in September
Plerneuf, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Plerneuf, France
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).
Average humidity in September
Plerneuf, France
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is September (81%).
Average rainfall in September
Plerneuf, France
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Plerneuf, France
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is November (17.4 days).
The month with the least rainy days is September (11 days).
Average snowfall in September
Plerneuf, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Plerneuf, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Plerneuf, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Plerneuf, France
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is November (8.3 days).
Average UV index in September
Plerneuf, 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
Plerneuf, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
Plerneuf, 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).





