Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
As Sils im Domleschg enters September, the average high-temperature subtly lowers from the a refreshing 17.8°C (64°F) of August to a moderate 13.5°C (56.3°F). In the month of September, the temperature generally rests at an average low of 3.1°C (37.6°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Sils im Domleschg, in September, during 14 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Sils im Domleschg, 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 Sils im Domleschg, in September, during 1.6 snowfall days, 15mm (0.59") of snow is typically accumulated. Throughout the year, there are 104.8 snowfall days, and 1982mm (78.03") of snow is accumulated.Daylight
In September, the average length of the day 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 07:20 and sunset at 19:03 CEST.
Sunshine
In Sils im Domleschg, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Sils im Domleschg is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during September leads to these advisories:
Act with care - The need to guard against sun damage is communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sils im Domleschg in September?
What is the average humidity in September?
How much does it rain in September?
How much does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Sils im Domleschg have in September?
How high is the UV index in September?
Average temperature in September
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, Switzerland
- Average daylight in September: 12h and 4min
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 5min
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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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
Sils im Domleschg, 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).
