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
Weather in September
Temperature
September is characterized by a mild reduction in the average high-temperature, from a refreshing 17.8°C (64°F) in August to a mild 13.5°C (56.3°F). During September, Thusis records a consistent average nighttime temperature of 3.1°C (37.6°F).Humidity
The average relative humidity in September in Thusis is 82%.Rainfall
In Thusis, during September, the rain falls for 14 days and regularly aggregates up to 40mm (1.57") of precipitation. In Thusis, Switzerland, 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 September, in Thusis, it is snowing for 1.6 days. Throughout September, 15mm (0.59") of snow is accumulated. In Thusis, 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 in Thusis 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
The average sunshine in September in Thusis is 8.9h.UV index
The average daily maximum UV index in September in Thusis is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are September temperatures in Thusis?
What is the average humidity in September in Thusis?
How many days does it rain in September in Thusis?
How many days does it snow in September in Thusis?
How many hours of daylight does Thusis have in September?
When are sunrise and sunset in September in Thusis?
How many hours of sunshine does Thusis have in September?
How high is the UV index in September in Thusis?
Average temperature in September
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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
Thusis, 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).
Thusis, Switzerland
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