September weather forecastSamnaun, Switzerland

September weather for Samnaun, Switzerland: In Samnaun, Switzerland, in September, during 5.5 snowfall days, 143mm (5.63") of snow is typically accumulated. In Samnaun, during September, snow falls for 5.5 days and regularly aggregates up to 143mm (5.63") of snow.

September

Weather in September

September, the first month of the autumn in Samnaun, is still a cool month, with temperature in the range of an average high of 11.7°C (53.1°F) and an average low of 2°C (35.6°F).

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

In Samnaun, 11.7°C (53.1°F) is the average high-temperature and 2°C (35.6°F) is the average low-temperature during September.

In September, the average relative humidity in Samnaun is 82%.

In Samnaun, in September, it is raining for 10.4 days, with typically 43mm (1.69") of accumulated precipitation.

In Samnaun, Switzerland, in September, during 5.5 snowfall days, 143mm (5.63") of snow is typically accumulated.

In September, the average day length is 12h and 34min.

In September, on the first day of the month, sunrise is at 06:38 and sunset at 19:58. On the last day of the month, in Samnaun, Switzerland, sunrise is at 07:16 and sunset at 19:00 CEST.

In Samnaun, Switzerland, the average sunshine duration in September is 8.7h.

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 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 42min

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).