Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 27.3°C (81.1°F) in August to a pleasant 22.5°C (72.5°F). Throughout September, the average low-temperature records at a fresh 12°C (53.6°F).Humidity
The average relative humidity in September in Viviers-lès-Montagnes is 73%.Rainfall
September is the month with the least rainfall in Viviers-lès-Montagnes. Rain falls for 8.9 days and accumulates 20mm (0.79") of precipitation.Snowfall
In Viviers-lès-Montagnes, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 07:15 and sunset at 20:26. On the last day of September, sunrise is at 07:48 and sunset at 19:33 CEST.
Sunshine
In Viviers-lès-Montagnes, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Viviers-lès-Montagnes is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Viviers-lès-Montagnes?
What is the average humidity in September in Viviers-lès-Montagnes?
What is the driest month in Viviers-lès-Montagnes?
How much does it rain in Viviers-lès-Montagnes in September?
When it does not snow in Viviers-lès-Montagnes?
How many hours of daylight does Viviers-lès-Montagnes have in September?
What time are sunrise and sunset in September in Viviers-lès-Montagnes?
How many hours of sunshine does Viviers-lès-Montagnes have in September?
How high is the UV index in September in Viviers-lès-Montagnes?
Average temperature in September
Viviers-lès-Montagnes, France
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Viviers-lès-Montagnes, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Viviers-lès-Montagnes, France
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Viviers-lès-Montagnes, France
- Average humidity in September: 73%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Viviers-lès-Montagnes, France
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are January, May and November (63mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Viviers-lès-Montagnes, France
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in September
Viviers-lès-Montagnes, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Viviers-lès-Montagnes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Viviers-lès-Montagnes, France
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Viviers-lès-Montagnes, France
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Viviers-lès-Montagnes, 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
Viviers-lès-Montagnes, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Viviers-lès-Montagnes, France
- Average visibility in September: 9km
The months with the highest visibility are March, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, April, November and December (8km).
