September weather forecastBully, France
September
Weather in September
September, the first month of the autumn in Bully, is also an agreeable month, with an average temperature ranging between min 10.1°C (50.2°F) and max 20.2°C (68.4°F).Temperature
As September arrives, Bully's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 24.7°C (76.5°F) to a pleasant 20.2°C (68.4°F). Throughout the month of September, Bully witnesses an average temperature of 10.1°C (50.2°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Bully, in September, it is raining for 13.6 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, in Bully, France, there are 165.2 rainfall days, and 688mm (27.09") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 07:03 and sunset at 20:19. On the last day of the month, sunrise is at 07:39 and sunset at 19:23 CEST.
Sunshine
In Bully, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Bully is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bully, France
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Bully, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Bully, France
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).
Average humidity in September
Bully, France
- Average humidity in September: 79%
The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Bully, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is June (87mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in September
Bully, France
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Bully, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bully, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bully, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Bully, France
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (17.2 days).
The months with the least sunshine days are May and June (8.4 days).
Average UV index in September
Bully, 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
Bully, France
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Bully, France
- Average visibility in September: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).
