September weather forecast
Saas-Grund, Switzerland

September

Weather in September

The first month of the autumn, September, is also a fresh month in Saas-Grund, Switzerland, with an average temperature varying between 10.5°C (50.9°F) and 2.6°C (36.7°F).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a mild 14.5°C (58.1°F) in August to a cool 10.5°C (50.9°F). September in Saas-Grund witnesses an average low-temperature hovering around a wintry 2.6°C (36.7°F).

Humidity

In September, the average relative humidity in Saas-Grund, Switzerland, is 84%.

Rainfall

In September, in Saas-Grund, the rain falls for 19.1 days. Throughout September, 95mm (3.74") of precipitation is accumulated. In Saas-Grund, Switzerland, during the entire year, the rain falls for 176.3 days and collects up to 1541mm (60.67") of precipitation.

Snowfall

Months with snowfall are January through June, August through December. In September, in Saas-Grund, it is snowing for 1.8 days. Throughout September, 55mm (2.17") of snow is accumulated. In Saas-Grund, during the entire year, snow falls for 126.3 days and aggregates up to 4942mm (194.57") of snow.

Daylight

In September, the average length of the day in Saas-Grund is 12h and 32min.
On the first day of the month, sunrise is at 06:49 and sunset at 20:06. On the last day of September, in Saas-Grund, sunrise is at 07:26 and sunset at 19:10 CEST.

Sunshine

In Saas-Grund, the average sunshine in September is 7.6h.

UV index

In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 2 in September translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What is the average September temperature in Saas-Grund?
In September, the average high-temperature and low-temperature in Saas-Grund are 10.5°C (50.9°F) and 2.6°C (36.7°F) respectively.
What is the average humidity in September in Saas-Grund?
The average relative humidity in September is 84%.
How much does it rain in Saas-Grund in September?
In Saas-Grund, in September, it is raining for 19.1 days, with typically 95mm (3.74") of accumulated precipitation.
How much does it snow in Saas-Grund in September?
In September, it is snowing for 1.8 days. Throughout September, 55mm (2.17") of snow is accumulated.
What is the average length of the day in September in Saas-Grund?
In Saas-Grund, Switzerland, the average day length in September is 12h and 32min.
When is the sunrise / sunset in September in Saas-Grund?
On the first day of September in Saas-Grund, sunrise is at 06:49 and sunset at 20:06. On the last day of the month, sunrise is at 07:26 and sunset at 19:10 CEST.
How many hours of sunshine does Saas-Grund have in September?
The average sunshine duration in September in Saas-Grund is 7.6h.
What is the UV index reading in September in Saas-Grund?
In Saas-Grund, Switzerland, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Saas-Grund, Switzerland
  • Average high temperature in September: 10.5°C

The warmest month (with the highest average high temperature) is July (14.8°C).
The month with the lowest average high temperature is January (-3.6°C).

  • Average low temperature in September: 2.6°C

The month with the highest average low temperature is August (5.3°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).

Average pressure in September
Saas-Grund, Switzerland
  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed in September
Saas-Grund, Switzerland
  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is December (9.6km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).

Average humidity in September
Saas-Grund, Switzerland
  • Average humidity in September: 84%

The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is July (82%).

Average rainfall in September
Saas-Grund, Switzerland
  • Average rainfall in September: 95mm

The wettest month (with the highest rainfall) is July (199mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in September
Saas-Grund, Switzerland
  • Average rainfall days in September: 19.1 days

The month with the highest number of rainy days is July (26.6 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in September
Saas-Grund, Switzerland
  • Average snowfall in September: 55mm

The month with the highest snowfall is November (1182mm).
The month with the least snowfall is July (0mm).

Average snowfall days in September
Saas-Grund, Switzerland
  • Average snowfall days in September: 1.8 days

The month with the highest number of snowfall days is March (21.7 days).
The months with the least snowfall days are July and August (0.1 days).

Average daylight in September /
Average sunshine in September
Saas-Grund, Switzerland
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).

Average sunshine days in September
Saas-Grund, Switzerland
  • Average sunshine days in September: 8.3 days

The month with the most sunshine days is December (15.1 days).
The month with the least sunshine days is August (3.3 days).

Average UV index in September
Saas-Grund, Switzerland
  • Average UV index in September: 2

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March and April (UV index 1).

Average cloud cover in September
Saas-Grund, Switzerland
  • Average cloud cover in September: 49

The month with the most cloud cover is April (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 45).

Average visibility in September
Saas-Grund, Switzerland
  • Average visibility in September: 7km

The months with the highest visibility are June, July, August and December (8km).
The months with the lowest visibility are March, April and November (6km).

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