September weather forecastBesançon, France
September
Weather in September
By September, autumn begins to make its mark on Besançon's climate. The weather cools off a bit after the summer heat, offering a respite to the residents. September experiences a spike in rainfall, which contributes to the city's vibrant fall foliage. As the month progresses, the days start to shorten, marking a shift in the season. However, with an average of 5.9 hours of sunshine, residents can still appreciate bright autumn afternoons.Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 25°C (77°F) in August to an agreeable 20.7°C (69.3°F). Besançon records an average nighttime low-temperature of 10.9°C (51.6°F) throughout September.Humidity
In September, the average relative humidity in Besançon is 82%.Rainfall
In Besançon, in September, during 9.8 rainfall days, 107mm (4.21") of precipitation is typically accumulated. Throughout the year, in Besançon, there are 141.2 rainfall days, and 1187mm (46.73") of precipitation is accumulated.Daylight
In September, the average length of the day in Besançon, France, is 12h and 34min.On the first day of the month, sunrise is at 06:55 and sunset at 20:15. On the last day of September, in Besançon, sunrise is at 07:34 and sunset at 19:17 CEST.
Sunshine
In Besançon, France, the average sunshine in September is 5.9h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Besançon, France
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average humidity in September
Besançon, France
- Average humidity in September: 82%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Besançon, France
- Average rainfall in September: 107.2mm
The wettest month (with the highest rainfall) is October (115.7mm).
The driest month (with the least rainfall) is February (79.7mm).
Average rainfall days in September
Besançon, France
- Average rainfall days in September: 9.8 days
The months with the highest number of rainy days are May and December (13.4 days).
The month with the least rainy days is September (9.8 days).
Average daylight in September /
Average sunshine in September
Besançon, France
- Average daylight in September: 12h and 36min
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 36min).
- Average sunshine in September: 5h and 54min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).








