September weather forecastPradella, Switzerland
September
Weather in September
The first month of the autumn, September, is still a cool month in Pradella, Switzerland, with an average temperature fluctuating between 2°C (35.6°F) and 11.7°C (53.1°F).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's mild 15.9°C (60.6°F) to a fresh 11.7°C (53.1°F). In the month of September, Pradella witnesses a consistent average low-temperature of 2°C (35.6°F).Humidity
In September, the average relative humidity in Pradella is 82%.Rainfall
In Pradella, Switzerland, during September, the rain falls for 10.4 days and regularly aggregates up to 43mm (1.69") of precipitation. In Pradella, during the entire year, the rain falls for 98 days and collects up to 533mm (20.98") of precipitation.Snowfall
January through December are months with snowfall. In Pradella, Switzerland, in September, during 5.5 snowfall days, 143mm (5.63") of snow is typically accumulated. In Pradella, during the entire year, snow falls for 126.8 days and aggregates up to 2369mm (93.27") of snow.Daylight
In Pradella, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:39 and sunset at 19:58. On the last day of September, sunrise is at 07:16 and sunset at 19:00 CEST.
Sunshine
In September, the average sunshine in Pradella is 8.7h.UV index
In September, the average daily maximum UV index in Pradella is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pradella, Switzerland
- Average high temperature in September: 11.7°C
The warmest months (with the highest average high temperature) are July and August (15.9°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 2°C
The month with the highest average low temperature is August (5.3°C).
The coldest month (with the lowest average low temperature) is February (-13.7°C).
Average pressure in September
Pradella, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Pradella, Switzerland
- Average wind speed in September: 6.3km/h
The windiest months (with the highest average wind speed) are February and November (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in September
Pradella, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Pradella, Switzerland
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in September
Pradella, Switzerland
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in September
Pradella, Switzerland
- Average snowfall in September: 143mm
The month with the highest snowfall is May (316mm).
The month with the least snowfall is July (30mm).
Average snowfall days in September
Pradella, Switzerland
- Average snowfall days in September: 5.5 days
The month with the highest number of snowfall days is December (15.8 days).
The month with the least snowfall days is July (1.7 days).
Average daylight in September /
Average sunshine in September
Pradella, 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 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 36min).
Average sunshine days in September
Pradella, Switzerland
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
Pradella, Switzerland
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April and November (UV index 1).
Average cloud cover in September
Pradella, Switzerland
- Average cloud cover in September: 45
The months with the most cloud cover are March and May (Cloud cover 59).
The months with the least cloud cover are August and October (Cloud cover 44).
Average visibility in September
Pradella, Switzerland
- Average visibility in September: 7km
The month with the highest visibility is July (8km).
The months with the lowest visibility are March and April (5km).
