September weather forecastPlomeur, France
September
Weather in September
September, the first month of the autumn in Plomeur, is also an enjoyable month, with an average temperature varying between 14.5°C (58.1°F) and 18.5°C (65.3°F).Temperature
September brings an average high-temperature of a still comfortable 18.5°C (65.3°F), showing a slight difference from August's 19.2°C (66.6°F). A consistent average low of 14.5°C (58.1°F) is noted in Plomeur throughout September, only a small step down from its daytime high.Humidity
The months with the lowest humidity are February through April, September and November, with an average relative humidity of 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.8 days and typically collects 13mm (0.51") of precipitation.Snowfall
In Plomeur, snow does not fall in February through November.Daylight
In September, the average length of the day in Plomeur is 12h and 34min.On the first day of the month, sunrise is at 07:36 and sunset at 20:57. On the last day of September, in Plomeur, sunrise is at 08:15 and sunset at 19:58 CEST.
Sunshine
In Plomeur, the average sunshine in September is 7.8h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plomeur, France
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is February (9.8°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in September
Plomeur, 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 (1012.6mbar).
Average wind speed in September
Plomeur, France
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is August (18km/h).
Average humidity in September
Plomeur, France
- Average humidity in September: 79%
The months with the highest relative humidity are June, July, August and December (81%).
The months with the lowest relative humidity are February, March, April, September and November (79%).
Average rainfall in September
Plomeur, France
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Plomeur, France
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is September (7.8 days).
Average snowfall days in September
Plomeur, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Plomeur, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Plomeur, France
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (10.6 days).
Average UV index in September
Plomeur, France
- Average UV index in September: 5
The months with the highest UV index are June, July, August and September (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
Plomeur, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in September
Plomeur, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
