September weather forecastChurwalden, Switzerland
September weather for Churwalden, Switzerland: In Churwalden, Switzerland, in September, snow falls for 1.6 days, with typically accumulated 15mm (0.59") of snow. In Churwalden, Switzerland, in September, snow falls for 1.6 days, with typically accumulated 15mm (0.59") of snow.
September
Weather in September
September, the first month of the autumn in Churwalden, is still a refreshing month, with an average temperature fluctuating between 13.5°C (56.3°F) and 3.1°C (37.6°F).Temperature
September sees a slight reduction in average high-temperature, with a shift from a comfortable 17.8°C (64°F) in August to a mild 13.5°C (56.3°F). In September, the average low-temperature is an icy 3.1°C (37.6°F).Humidity
In Churwalden, the average relative humidity in September is 82%.Rainfall
In Churwalden, in September, it is raining for 14 days, with typically 40mm (1.57") of accumulated precipitation. In Churwalden, during the entire year, the rain falls for 139.1 days and collects up to 628mm (24.72") of precipitation.Snowfall
Months with snowfall are January through December. In Churwalden, Switzerland, in September, snow falls for 1.6 days, with typically accumulated 15mm (0.59") of snow. In Churwalden, during the entire year, snow falls for 104.8 days and aggregates up to 1982mm (78.03") of snow.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:42 and sunset at 20:01. On the last day of September, sunrise is at 07:19 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine in Churwalden is 8.9h.UV index
The average daily maximum UV index in September in Churwalden is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Churwalden, Switzerland
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in September: 3.1°C
The months with the highest average low temperature are July and August (6.3°C).
The coldest month (with the lowest average low temperature) is February (-10.8°C).
Average pressure in September
Churwalden, Switzerland
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Churwalden, Switzerland
- Average wind speed in September: 6.8km/h
The windiest months (with the highest average wind speed) are February and November (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Churwalden, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is July (79%).
Average rainfall in September
Churwalden, Switzerland
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (88mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in September
Churwalden, Switzerland
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Churwalden, Switzerland
- Average snowfall in September: 15mm
The month with the highest snowfall is December (403mm).
The month with the least snowfall is August (1mm).
Average snowfall days in September
Churwalden, Switzerland
- Average snowfall days in September: 1.6 days
The month with the highest number of snowfall days is January (18.3 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Churwalden, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Churwalden, Switzerland
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Churwalden, 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, November and December (UV index 1).
Average cloud cover in September
Churwalden, Switzerland
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 51).
The months with the least cloud cover are July, August and October (Cloud cover 40).
Average visibility in September
Churwalden, 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).
