September weather forecastMutten, Switzerland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Mutten, Switzerland, with an average temperature ranging between min 3.1°C (37.6°F) and max 13.5°C (56.3°F).

Temperature

September marks a gentle change in average high-temperature, declining from August's enjoyable 17.8°C (64°F) to a mild 13.5°C (56.3°F). Throughout September, an average nighttime temperature of 3.1°C (37.6°F) is experienced in Mutten.

Humidity

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

Rainfall

In Mutten, during September, the rain falls for 14 days and regularly aggregates up to 40mm (1.57") of precipitation. In Mutten, during the entire year, the rain falls for 139.1 days and collects up to 628mm (24.72") of precipitation.

Snowfall

January through December are months with snowfall. In Mutten, in September, during 1.6 snowfall days, 15mm (0.59") of snow is typically accumulated. Throughout the year, there are 104.8 snowfall days, and 1982mm (78.03") of snow is accumulated.

Daylight

In Mutten, Switzerland, the average length of the day in September is 12h and 33min.
On the first day of September, sunrise is at 06:42 and sunset at 20:01. On the last day of the month, sunrise is at 07:20 and sunset at 19:03 CEST.

Sunshine

The average sunshine in September in Mutten is 8.9h.

UV index

The average daily maximum UV index in September in Mutten is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

Mutten in September has an average high-temperature of 13.5°C (56.3°F) and an average low-temperature of 3.1°C (37.6°F).

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

In September, in Mutten, Switzerland, the rain falls for 14 days. Throughout September, 40mm (1.57") of precipitation is accumulated.

In September, it is snowing for 1.6 days. Throughout September, 15mm (0.59") of snow is accumulated.

In September, the average day length in Mutten is 12h and 33min.

On the first day of September, sunrise is at 06:42 and sunset at 20:01. On the last day of the month, sunrise is at 07:20 and sunset at 19:03 CEST.

The average sunshine duration in September is 8.9h.

The average daily maximum UV index in September in Mutten, Switzerland, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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
Mutten, 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
Mutten, 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
Mutten, 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
Mutten, 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
Mutten, 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
Mutten, 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
Mutten, 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
Mutten, 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
Mutten, 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 54min

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
Mutten, 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
Mutten, 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
Mutten, 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
Mutten, 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).