September weather forecastLorient, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Lorient, France, with an average temperature ranging between min 12.6°C (54.7°F) and max 19.3°C (66.7°F).Temperature
The arrival of September marks a slight shift to an average high-temperature of a refreshing 19.3°C (66.7°F) from August's 20.8°C (69.4°F). Lorient records a steady low-temperature average of 12.6°C (54.7°F) during September.Humidity
April, July and September, with an average relative humidity of 79%, are the least humid months in Lorient.Rainfall
In Lorient, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Lorient, there are 176.4 rainfall days, and 623mm (24.53") of precipitation is accumulated.Snowfall
March, May through November are months without snowfall.Daylight
In Lorient, the average length of the day in September is 12h and 34min.On the first day of September in Lorient, France, sunrise is at 07:32 and sunset at 20:54. On the last day of the month, sunrise is at 08:11 and sunset at 19:54 CEST.
Sunshine
The average sunshine in September in Lorient is 7.8h.UV index
In September, the average daily maximum UV index in Lorient is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lorient, France
- Average high temperature in September: 19.3°C
The warmest months (with the highest average high temperature) are July and August (20.8°C).
The months with the lowest average high temperature are January and February (9.3°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in September
Lorient, 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 (1012.8mbar).
Average wind speed in September
Lorient, France
- Average wind speed in September: 15.5km/h
The windiest months (with the highest average wind speed) are January, February and December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.9km/h).
Average humidity in September
Lorient, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April, July and September (79%).
Average rainfall in September
Lorient, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days in September
Lorient, France
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Lorient, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Lorient, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 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
Lorient, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
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 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Lorient, France
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Lorient, 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
Lorient, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in September
Lorient, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September and November (10km).
The months with the lowest visibility are January, October and December (9km).
