September weather forecastMarignier, France
September
Weather in September
September, the first month of the autumn in Marignier, is also an enjoyable month, with an average temperature varying between 7.3°C (45.1°F) and 16.5°C (61.7°F).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's pleasant 20.7°C (69.3°F) to a comfortable 16.5°C (61.7°F). Throughout September, Marignier experiences a low-temperature average of 7.3°C (45.1°F).Humidity
In Marignier, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 27mm (1.06") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Marignier, France, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:55 and sunset at 20:12. On the last day of September, sunrise is at 07:31 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine in Marignier is 9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 suggests these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marignier, France
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).
Average pressure in September
Marignier, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Marignier, France
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is February (9.3km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Marignier, France
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Marignier, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Marignier, France
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Marignier, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (290mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Marignier, France
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Marignier, 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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Marignier, France
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Marignier, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Marignier, France
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Marignier, France
- Average visibility in September: 8km
The months with the highest visibility are April, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, May, September and December (8km).





