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
The start of September comes with a small reduction in the average high-temperature, subtly receding from an enjoyable 17.8°C (64°F) in August to a mild 13.5°C (56.3°F). Throughout September nights, Ausserferrera registers an average low-temperature of 3.1°C (37.6°F).Humidity
In Ausserferrera, the average relative humidity in September is 82%.Rainfall
In Ausserferrera, in September, it is raining for 14 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, in Ausserferrera, there are 139.1 rainfall days, and 628mm (24.72") of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Ausserferrera, in September, snow falls for 1.6 days, with typically accumulated 15mm (0.59") of snow. Throughout the year, in Ausserferrera, Switzerland, there are 104.8 snowfall days, and 1982mm (78.03") of snow is accumulated.Daylight
The average length of the day in September in Ausserferrera, Switzerland, 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, in Ausserferrera, sunrise is at 07:20 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index in Ausserferrera is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Ausserferrera in September?
What is the average humidity in September in Ausserferrera?
How many days does it rain in September in Ausserferrera?
How much does it snow in Ausserferrera in September?
What is the average length of the day in September in Ausserferrera?
When are sunrise and sunset in September in Ausserferrera?
How many hours of sunshine does Ausserferrera have in September?
What is the UV index intensity in September in Ausserferrera?
Average temperature in September
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, Switzerland
- Average daylight in September: 12h and 3min
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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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
Ausserferrera, 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).
Ausserferrera, Switzerland
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