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
During the shift to September, Saint-Mars-sous-Ballon records a mild decrease in average high-temperature, moving from a moderately hot 24.2°C (75.6°F) in August to an agreeable 21.1°C (70°F). September in Saint-Mars-sous-Ballon is noted for a mean low-temperature of 11.2°C (52.2°F).Humidity
In September, the average relative humidity in Saint-Mars-sous-Ballon is 75%.Rainfall
The month with the least rainfall in Saint-Mars-sous-Ballon, France, is September, when the rain falls for 8.5 days and typically collects 16mm (0.63") of precipitation.Snowfall
April through October are months without snowfall in Saint-Mars-sous-Ballon.Daylight
In Saint-Mars-sous-Ballon, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 07:17 and sunset at 20:40. On the last day of the month, sunrise is at 07:57 and sunset at 19:40 CEST.
Sunshine
In Saint-Mars-sous-Ballon, France, the average sunshine in September is 7.7h.UV index
In Saint-Mars-sous-Ballon, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Saint-Mars-sous-Ballon in September?
What is the average humidity in September in Saint-Mars-sous-Ballon?
What is the driest month in Saint-Mars-sous-Ballon?
How much does it rain in Saint-Mars-sous-Ballon in September?
When it does not snow in Saint-Mars-sous-Ballon?
How many hours of daylight does Saint-Mars-sous-Ballon have in September?
When is the sunrise / sunset in September in Saint-Mars-sous-Ballon?
How long on average sun shines in September in Saint-Mars-sous-Ballon?
How high is the UV index in September in Saint-Mars-sous-Ballon?
Average temperature in September
Saint-Mars-sous-Ballon, France
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Saint-Mars-sous-Ballon, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Saint-Mars-sous-Ballon, France
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Saint-Mars-sous-Ballon, France
- Average humidity in September: 75%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Saint-Mars-sous-Ballon, France
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Saint-Mars-sous-Ballon, France
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in September
Saint-Mars-sous-Ballon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Mars-sous-Ballon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Saint-Mars-sous-Ballon, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Saint-Mars-sous-Ballon, France
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Saint-Mars-sous-Ballon, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Saint-Mars-sous-Ballon, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Saint-Mars-sous-Ballon, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).
Saint-Mars-sous-Ballon, France
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