September weather forecastChaffois, France
September
Weather in September
September, the first month of the autumn in Chaffois, is still a comfortable month, with an average temperature varying between 16.9°C (62.4°F) and 8.1°C (46.6°F).Temperature
September sees a slight reduction in average high-temperature, with a shift from an agreeable 21°C (69.8°F) in August to a comfortable 16.9°C (62.4°F). Chaffois observes an average nighttime temperature of 8.1°C (46.6°F) during September.Humidity
The average relative humidity in September in Chaffois is 85%.Rainfall
In Chaffois, in September, it is raining for 15.5 days, with typically 82mm (3.23") of accumulated precipitation. In Chaffois, during the entire year, the rain falls for 174.4 days and collects up to 1495mm (58.86") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:55 and sunset at 20:14. On the last day of September, in Chaffois, sunrise is at 07:33 and sunset at 19:16 CEST.
Sunshine
In Chaffois, the average sunshine in September is 7.2h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chaffois, France
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).
Average pressure in September
Chaffois, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Chaffois, France
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Chaffois, France
- Average humidity in September: 85%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April, July and August (83%).
Average rainfall in September
Chaffois, France
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is June (172mm).
The driest month (with the least rainfall) is October (79mm).
Average rainfall days in September
Chaffois, France
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Chaffois, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (705mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chaffois, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chaffois, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 12min
The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Chaffois, France
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in September
Chaffois, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Chaffois, France
- Average cloud cover in September: 48
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Chaffois, France
- Average visibility in September: 7km
The months with the highest visibility are April, June, July and August (8km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (7km).





