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 move into September indicates a slight reduction in the average high-temperature, down from August's agreeable 22.6°C (72.7°F) to a refreshing 18.5°C (65.3°F). During September, the average low-temperature is a chilly 8.8°C (47.8°F).Humidity
The average relative humidity in September is 83%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 36mm (1.42") of precipitation.Snowfall
In Granges-le-Bourg, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September, sunrise is at 06:53 and sunset at 20:14. On the last day of the month, sunrise is at 07:32 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September in Granges-le-Bourg is 8.4h.UV index
In Granges-le-Bourg, 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 the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Granges-le-Bourg have in September?
What is the UV index reading in September?
Average temperature in September
Granges-le-Bourg, France
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Granges-le-Bourg, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Granges-le-Bourg, France
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Granges-le-Bourg, France
- Average humidity in September: 83%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Granges-le-Bourg, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in September
Granges-le-Bourg, France
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in September
Granges-le-Bourg, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (114mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Granges-le-Bourg, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Granges-le-Bourg, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Granges-le-Bourg, France
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in September
Granges-le-Bourg, 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, October, November and December (UV index 2).
Average cloud cover in September
Granges-le-Bourg, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Granges-le-Bourg, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
