September weather forecastFlond, Switzerland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Flond, Switzerland, with temperature in the range of an average low of 3.8°C (38.8°F) and an average high of 14.2°C (57.6°F).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a refreshing 18.5°C (65.3°F) in August to a moderate 14.2°C (57.6°F). The nighttime temperature in Flond dips to a wintry 3.8°C (38.8°F) on average during September.Humidity
The average relative humidity in September in Flond is 82%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Flond, Switzerland, there are 142.4 rainfall days, and 455mm (17.91") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Flond, Switzerland. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 3mm (0.12") of snow. In Flond, Switzerland, during the entire year, snow falls for 75.1 days and aggregates up to 712mm (28.03") of snow.Daylight
The average length of the day in September in Flond is 12h and 33min.On the first day of September, sunrise is at 06:43 and sunset at 20:02. On the last day of the month, sunrise is at 07:21 and sunset at 19:04 CEST.
Sunshine
In Flond, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Flond is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flond, Switzerland
- Average high temperature in September: 14.2°C
The warmest months (with the highest average high temperature) are July and August (18.5°C).
The month with the lowest average high temperature is January (-1.7°C).
- Average low temperature in September: 3.8°C
The month with the highest average low temperature is August (7°C).
The coldest month (with the lowest average low temperature) is February (-10.1°C).
Average pressure in September
Flond, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Flond, Switzerland
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is November (8km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Flond, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Flond, Switzerland
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in September
Flond, Switzerland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Flond, Switzerland
- Average snowfall in September: 3mm
The month with the highest snowfall is January (144mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Flond, Switzerland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Flond, Switzerland
- 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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Flond, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Flond, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Flond, Switzerland
- Average cloud cover in September: 41
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Flond, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).





