September weather forecastSaint-Lézer, France
September
Weather in September
September, the first month of the autumn in Saint-Lézer, is still a pleasant month, with an average temperature ranging between max 20.7°C (69.3°F) and min 9.5°C (49.1°F).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 20.7°C (69.3°F) from a moderately hot 24.3°C (75.7°F). Saint-Lézer records a consistent low-temperature of 9.5°C (49.1°F) during September nights.Humidity
In Saint-Lézer, France, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall in Saint-Lézer. Rain falls for 13.2 days and accumulates 36mm (1.42") of precipitation.Snowfall
In Saint-Lézer, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September in Saint-Lézer, France, sunrise is at 07:24 and sunset at 20:34. On the last day of the month, sunrise is at 07:56 and sunset at 19:42 CEST.
Sunshine
In Saint-Lézer, France, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Lézer, France
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in September
Saint-Lézer, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Saint-Lézer, France
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is February (8.7km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in September
Saint-Lézer, France
- Average humidity in September: 74%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in September
Saint-Lézer, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is May (92mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in September
Saint-Lézer, France
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is October (12.3 days).
Average snowfall in September
Saint-Lézer, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (56mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saint-Lézer, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint-Lézer, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Saint-Lézer, France
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is April (7.9 days).
Average UV index in September
Saint-Lézer, 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
Saint-Lézer, France
- Average cloud cover in September: 27
The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in September
Saint-Lézer, France
- Average visibility in September: 9km
The months with the highest visibility are March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and April (8km).
