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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from a moderate 15.9°C (60.6°F) in August to a fresh 11.7°C (53.1°F). Samnaun throughout September, records an average low-temperature of 2°C (35.6°F).Humidity
The average relative humidity in September in Samnaun is 82%.Rainfall
In September, in Samnaun, the rain falls for 10.4 days. Throughout September, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 98 rainfall days, and 533mm (20.98") of precipitation is accumulated.Snowfall
January through December are months with snowfall in Samnaun. In Samnaun, during September, snow falls for 5.5 days and regularly aggregates up to 143mm (5.63") of snow. Throughout the year, in Samnaun, there are 126.8 snowfall days, and 2369mm (93.27") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 06:38 and sunset at 19:58. On the last day of September, sunrise is at 07:16 and sunset at 19:00 CEST.
Sunshine
In Samnaun, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 2 in September transforms into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the usual temperature for Samnaun in September?
What is the average humidity in September in Samnaun?
How many days does it rain in September in Samnaun?
How many days does it snow in September in Samnaun?
What is the average length of the day in September in Samnaun?
What time are sunrise and sunset in September in Samnaun?
How many hours of sunshine does Samnaun have in September?
What is the UV index reading in September in Samnaun?
Average temperature in September
Samnaun, 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
Samnaun, 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
Samnaun, 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
Samnaun, 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
Samnaun, 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
Samnaun, 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
Samnaun, 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
Samnaun, 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
Samnaun, 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 4min
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
Samnaun, 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
Samnaun, 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
Samnaun, 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
Samnaun, 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).
Samnaun, Switzerland
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