September weather forecastCully, Switzerland
September
Weather in September
September, the first month of the autumn in Cully, is still a refreshing month, with an average temperature fluctuating between 9.2°C (48.6°F) and 18.3°C (64.9°F).Temperature
September indicates a minor shift in the average high-temperature, from August's pleasant 22.1°C (71.8°F) to an enjoyable 18.3°C (64.9°F). Cully's nighttime temperature during September is consistently averaged at a chilly 9.2°C (48.6°F).Humidity
In Cully, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Cully is September, when the rain falls for 12.5 days and typically collects 38mm (1.5") of precipitation.Snowfall
June through September are months without snowfall in Cully.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:53 and sunset at 20:12. On the last day of September, in Cully, sunrise is at 07:31 and sunset at 19:14 CEST.
Sunshine
In Cully, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cully, Switzerland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-2.2°C).
Average pressure in September
Cully, Switzerland
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Cully, Switzerland
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Cully, Switzerland
- Average humidity in September: 79%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Cully, Switzerland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in September
Cully, Switzerland
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Cully, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (184mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Cully, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Cully, Switzerland
- Average daylight in September: 12h and 30min
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 42min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Cully, Switzerland
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in September
Cully, Switzerland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Cully, Switzerland
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Cully, Switzerland
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
