September weather forecastPlumelec, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Plumelec, France, with an average temperature varying between 13.2°C (55.8°F) and 19.7°C (67.5°F).Temperature
Plumelec, France, observes a minor difference in average high-temperatures between August's 21.2°C (70.2°F) and September's 19.7°C (67.5°F). Plumelec experiences an average nighttime temperature of 13.2°C (55.8°F) in the month of September.Humidity
The months with the lowest humidity in Plumelec are August and September, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall in Plumelec, France. Rain falls for 10 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Plumelec, snow does not fall in January, March, May through November.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 07:29 and sunset at 20:51. On the last day of September, sunrise is at 08:09 and sunset at 19:51 CEST.
Sunshine
In September, the average sunshine in Plumelec, France, is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plumelec, France
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in September
Plumelec, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Plumelec, France
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Plumelec, France
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Plumelec, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Plumelec, France
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
Plumelec, France
- Average snowfall in September: 0mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Plumelec, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 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
Plumelec, 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: 8h and 0min
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
Plumelec, France
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Plumelec, 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, March, April, November and December (UV index 3).
Average cloud cover in September
Plumelec, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
Plumelec, 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).





