September weather forecastLyas, France
September
Weather in September
September, the first month of the autumn in Lyas, is still a pleasant month, with an average temperature fluctuating between 11.6°C (52.9°F) and 22.3°C (72.1°F).Temperature
Lyas's transition into September involves a shift in temperature, receding from a moderately hot 27.3°C (81.1°F) in August to a pleasant 22.3°C (72.1°F). September in Lyas witnesses an average low-temperature hovering around a fresh 11.6°C (52.9°F).Humidity
In Lyas, the average relative humidity in September is 71%.Rainfall
In Lyas, in September, during 9.7 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Lyas, France, during the entire year, the rain falls for 147.6 days and collects up to 592mm (23.31") of precipitation.Snowfall
April through October are months without snowfall in Lyas.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 07:04 and sunset at 20:18. On the last day of September, in Lyas, sunrise is at 07:38 and sunset at 19:23 CEST.
Sunshine
In Lyas, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lyas, France
- Average high temperature in September: 22.3°C
The warmest month (with the highest average high temperature) is July (27.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.6°C
The months with the highest average low temperature are July and August (14.9°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Lyas, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Lyas, France
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is November (9.4km/h).
Average humidity in September
Lyas, France
- Average humidity in September: 71%
The months with the highest relative humidity are November and December (84%).
The months with the lowest relative humidity are July and August (64%).
Average rainfall in September
Lyas, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (104mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Lyas, France
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in September
Lyas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is November (57mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lyas, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.6 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
Lyas, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are January and November (Average sunshine: 5h and 36min).
Average sunshine days in September
Lyas, France
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Lyas, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lyas, France
- Average cloud cover in September: 23
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Lyas, France
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January and November (8km).
