September weather forecastViey, France
September
Weather in September
September, the first month of the autumn in Viey, is still a comfortable month, with an average temperature fluctuating between 18.5°C (65.3°F) and 7.9°C (46.2°F).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's agreeable 22.1°C (71.8°F) to a comfortable 18.5°C (65.3°F). During September, the temperature in Viey tends to dip to an average of 7.9°C (46.2°F) at night.Humidity
The average relative humidity in September in Viey is 74%.Rainfall
The month with the least rainfall in Viey, France, is September, when the rain falls for 11 days and typically collects 33mm (1.3") of precipitation.Snowfall
In Viey, snow does not fall in July through September.Daylight
The average length of the day in September in Viey is 12h and 29min.On the first day of September in Viey, sunrise is at 07:25 and sunset at 20:34. On the last day of the month, sunrise is at 07:56 and sunset at 19:42 CEST.
Sunshine
The average sunshine in September in Viey is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Viey, France
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The months with the lowest average high temperature are January and February (4.6°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (-3.5°C).
Average pressure in September
Viey, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Viey, France
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.9km/h).
Average humidity in September
Viey, France
- Average humidity in September: 74%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Viey, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Viey, France
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Viey, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (482mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Viey, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Viey, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Viey, France
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in September
Viey, France
- Average UV index in September: 4
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
Viey, France
- Average cloud cover in September: 24
The month with the most cloud cover is April (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Viey, France
- Average visibility in September: 9km
The months with the highest visibility are March, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, April and November (8km).





