September weather forecastBarlieu, France
September
Weather in September
September, the first month of the autumn in Barlieu, is still a pleasant month, with an average temperature fluctuating between 11.7°C (53.1°F) and 21.8°C (71.2°F).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a pleasant 21.8°C (71.2°F) from a warm 25.3°C (77.5°F). In Barlieu, the average temperature during the nights of September drops to a fresh 11.7°C (53.1°F).Humidity
In September, the average relative humidity is 72%.Rainfall
In Barlieu, France, in September, during 9.4 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 167.3 rainfall days, and 504mm (19.84") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Barlieu is 12h and 34min.On the first day of September in Barlieu, sunrise is at 07:08 and sunset at 20:29. On the last day of the month, sunrise is at 07:47 and sunset at 19:30 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. 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
Barlieu, France
- Average high temperature in September: 21.8°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in September
Barlieu, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Barlieu, France
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Barlieu, France
- Average humidity in September: 72%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Barlieu, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (57mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in September
Barlieu, France
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is September (9.4 days).
Average snowfall in September
Barlieu, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Barlieu, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Barlieu, 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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Barlieu, France
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is January (11.1 days).
Average UV index in September
Barlieu, 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, November and December (UV index 2).
Average cloud cover in September
Barlieu, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Barlieu, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, July, August, September, October and December (9km).
The months with the lowest visibility are May, June and November (8km).
