September weather forecastMontluel, France
September
Weather in September
September, the first month of the autumn in Montluel, is still a pleasant month, with an average temperature ranging between max 21.5°C (70.7°F) and min 11°C (51.8°F).Temperature
With the onset of September, Montluel's climate undergoes a slight change as the average high-temperature moves from a moderately hot 26.1°C (79°F) in August to an agreeable 21.5°C (70.7°F). During the month of September, the temperature in Montluel, France, falls to an average of 11°C (51.8°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Montluel, in September, during 11.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Montluel, during the entire year, the rain falls for 164.3 days and collects up to 575mm (22.64") of precipitation.Snowfall
In Montluel, snow does not fall in April through September.Daylight
In September, the average length of the day in Montluel is 12h and 32min.On the first day of September in Montluel, sunrise is at 07:01 and sunset at 20:17. On the last day of the month, sunrise is at 07:37 and sunset at 19:21 CEST.
Sunshine
In Montluel, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Montluel is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Preventing sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Montluel, France
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 11°C
The months with the highest average low temperature are July and August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in September
Montluel, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Montluel, France
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest months (with the lowest average wind speed) are August and September (8.4km/h).
Average humidity in September
Montluel, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Montluel, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Montluel, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Montluel, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Montluel, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Montluel, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Montluel, France
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Montluel, France
- Average UV index in September: 4
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
Montluel, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Montluel, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, October and December (8km).
