September weather forecastLandévennec, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Landévennec, France, with temperature in the range of an average low of 13.3°C (55.9°F) and an average high of 18.6°C (65.5°F).Temperature
The commencement of September records an average high-temperature of a still enjoyable 18.6°C (65.5°F), barely varying from August's 19.5°C (67.1°F). During September, Landévennec experiences a consistent low-temperature average of 13.3°C (55.9°F).Humidity
In Landévennec, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 25mm (0.98") of precipitation.Snowfall
In Landévennec, snow does not fall in April through October.Daylight
In Landévennec, France, the average length of the day in September is 12h and 35min.On the first day of September in Landévennec, sunrise is at 07:35 and sunset at 20:58. On the last day of the month, sunrise is at 08:15 and sunset at 19:58 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September in Landévennec is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Landévennec, France
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is February (9.7°C).
- Average low temperature in September: 13.3°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in September
Landévennec, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Landévennec, France
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest months (with the lowest average wind speed) are July and August (16.4km/h).
Average humidity in September
Landévennec, France
- Average humidity in September: 80%
The months with the highest relative humidity are January, June, October and December (82%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Landévennec, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Landévennec, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Landévennec, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Landévennec, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Landévennec, 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 24min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Landévennec, France
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are May and September (14.6 days).
The month with the least sunshine days is November (6.6 days).
Average UV index in September
Landévennec, 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
Landévennec, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in September
Landévennec, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, June, September and October (10km).
The months with the lowest visibility are January, May, July, August, November and December (9km).
