September weather forecastBallons, France
September
Weather in September
September, the first month of the autumn in Ballons, is still a pleasant month, with an average temperature fluctuating between 21.3°C (70.3°F) and 11°C (51.8°F).Temperature
Ballons's transition into September involves a gentle shift in temperature, receding from a moderately hot 26°C (78.8°F) in August to a pleasant 21.3°C (70.3°F). Ballons, during the month of September, experiences an average low-temperature of 11°C (51.8°F).Humidity
The average relative humidity in September in Ballons is 73%.Rainfall
In Ballons, France, in September, during 12 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, there are 146.1 rainfall days, and 886mm (34.88") of precipitation is accumulated.Snowfall
In Ballons, France, snow does not fall in June through September.Daylight
In Ballons, the average length of the day in September is 12h and 31min.On the first day of September in Ballons, sunrise is at 07:00 and sunset at 20:13. On the last day of the month, sunrise is at 07:34 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine in Ballons is 9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ballons, France
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in September
Ballons, France
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is April (1014.6mbar).
Average wind speed in September
Ballons, France
- Average wind speed in September: 9.9km/h
The windiest months (with the highest average wind speed) are February and March (12.6km/h).
The calmest month (with the lowest average wind speed) is September (9.9km/h).
Average humidity in September
Ballons, France
- Average humidity in September: 73%
The months with the highest relative humidity are November and December (83%).
The months with the lowest relative humidity are July and August (65%).
Average rainfall in September
Ballons, France
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is November (130mm).
The driest month (with the least rainfall) is January (48mm).
Average rainfall days in September
Ballons, France
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Ballons, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (191mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ballons, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ballons, France
- Average daylight in September: 12h and 30min
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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in September
Ballons, France
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is August (18.6 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
Ballons, France
- Average UV index in September: 4
The month with the highest UV index is 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
Ballons, France
- Average cloud cover in September: 28
The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in September
Ballons, France
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).
