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
Weather in September
Temperature
September witnesses a gentle descent in average high-temperature, descending from August's comfortable 18.3°C (64.9°F) to a mild 14.1°C (57.4°F). The temperature in Valbonnais dips to an average of 4.7°C (40.5°F) during September nights.Humidity
The average relative humidity in September is 81%.Rainfall
The months with the least rainfall are January and September Rain falls for 11.8 days and accumulates 29mm (1.14") of rain.Snowfall
June through September are months without snowfall in Valbonnais.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 06:59 and sunset at 20:13. On the last day of September, sunrise is at 07:33 and sunset at 19:18 CEST.
Sunshine
In Valbonnais, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are the temperatures in Valbonnais in September?
What is the average humidity in September in Valbonnais?
What is the driest month in Valbonnais?
How many days does it rain in September in Valbonnais?
When it does not snow in Valbonnais?
Does it snow in Valbonnais in September?
What is the average length of the day in September in Valbonnais?
What time are sunrise and sunset in September in Valbonnais?
How long on average sun shines in September in Valbonnais?
What is the UV index intensity in September in Valbonnais?
Average temperature in September
Valbonnais, France
- Average high temperature in September: 14.1°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The months with the lowest average high temperature are January and February (-0.8°C).
- Average low temperature in September: 4.7°C
The month with the highest average low temperature is August (7.4°C).
The coldest month (with the lowest average low temperature) is February (-9.8°C).
Average pressure in September
Valbonnais, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Valbonnais, France
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (9.6km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Valbonnais, France
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Valbonnais, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (67mm).
The driest months (with the least rainfall) are January and September (29mm).
Average rainfall days in September
Valbonnais, France
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Valbonnais, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (267mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Valbonnais, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Valbonnais, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Valbonnais, France
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Valbonnais, France
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Valbonnais, France
- Average cloud cover in September: 39
The months with the most cloud cover are February and May (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Valbonnais, France
- Average visibility in September: 8km
The months with the highest visibility are June, July, August, September, October and December (8km).
The months with the lowest visibility are January, February, March, April, May and November (7km).
Valbonnais, France
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