September weather forecast
Adelboden, Switzerland

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Weather in September

In conjunction with the arrival of autumn, September marks the beginning of a cooler period in Adelboden. There's an appreciable decline in temperatures, rainfall and daily hours of sunshine. Despite these changes, the city remains an ideal destination for outdoor activities as the scenery begins transforming, turning a brilliant mix of yellow, orange and red, setting a picturesque backdrop to the city.

Temperature

In Adelboden, the average high-temperature in September slightly decreases from a refreshing 16.9°C (62.4°F) in August to a fresh 12.9°C (55.2°F). Adelboden, during the month of September, experiences an average low-temperature of 3.6°C (38.5°F).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 17.6 days and accumulates 74mm (2.91") of precipitation.

Snowfall

Months with snowfall in Adelboden are January through December. In Adelboden, during September, snow falls for 2.6 days and regularly aggregates up to 54mm (2.13") of snow. Throughout the year, there are 127.3 snowfall days, and 5589mm (220.04") of snow is accumulated.

Daylight

In September, the average length of the day in Adelboden is 12h and 33min.
On the first day of the month, sunrise is at 06:50 and sunset at 20:08. On the last day of September, sunrise is at 07:27 and sunset at 19:11 CEST.

Sunshine

The average sunshine in September in Adelboden is 7.9h.

UV index

In Adelboden, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the temperature in September in Adelboden?

During September, Adelboden experiences an average high-temperature of 12.9°C (55.2°F) and a low-temperature of 3.6°C (38.5°F).

What is the average humidity in September in Adelboden?

The average relative humidity in September in Adelboden, Switzerland, is 82%.

What is the driest month in Adelboden?

The month with the least rainfall in Adelboden, Switzerland, is September, when the rain falls for 17.6 days and typically collects 74mm (2.91") of precipitation.

How much does it rain in Adelboden in September?

In Adelboden, during September, the rain falls for 17.6 days and regularly aggregates up to 74mm (2.91") of precipitation.

How many days does it snow in September in Adelboden?

In Adelboden, Switzerland, in September, snow falls for 2.6 days, with typically accumulated 54mm (2.13") of snow.

How many hours of daylight does Adelboden have in September?

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

What time are sunrise and sunset in September in Adelboden?

In September, on the first day of the month, sunrise is at 06:50 and sunset at 20:08. On the last day of the month, sunrise is at 07:27 and sunset at 19:11 CEST.

How many hours of sunshine does Adelboden have in September?

In Adelboden, Switzerland, the average sunshine duration in September is 7.9h.

What is the UV index intensity in September in Adelboden?

In Adelboden, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Adelboden, Switzerland

Average temperature in September - Adelboden, Switzerland
  • Average high temperature in September: 12.9°C

The warmest month (with the highest average high temperature) is August (16.9°C).
The month with the lowest average high temperature is January (-2.1°C).

  • Average low temperature in September: 3.6°C

The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).

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Average pressure in September
Adelboden, Switzerland

Average pressure in September - Adelboden, Switzerland
  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in September
Adelboden, Switzerland

Average wind speed in September - Adelboden, Switzerland
  • Average wind speed in September: 6.8km/h

The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).

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Average humidity in September
Adelboden, Switzerland

Average humidity in September - Adelboden, Switzerland
  • Average humidity in September: 82%

The month with the highest relative humidity is March (92%).
The months with the lowest relative humidity are July and August (80%).

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Average rainfall in September
Adelboden, Switzerland

Average rainfall in September - Adelboden, Switzerland
  • Average rainfall in September: 74mm

The wettest month (with the highest rainfall) is May (193mm).
The driest month (with the least rainfall) is September (74mm).

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Average rainfall days in September
Adelboden, Switzerland

Average rainfall days in September - Adelboden, Switzerland
  • Average rainfall days in September: 17.6 days

The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is December (4.1 days).

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Average snowfall in September
Adelboden, Switzerland

Average snowfall in September - Adelboden, Switzerland
  • Average snowfall in September: 54mm

The month with the highest snowfall is December (1065mm).
The month with the least snowfall is July (7mm).

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Average snowfall days in September
Adelboden, Switzerland

Average snowfall days in September - Adelboden, Switzerland
  • Average snowfall days in September: 2.6 days

The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is August (0.4 days).

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Average daylight in September /
Average sunshine in September
Adelboden, Switzerland

Average daylight in September / Average sunshine in September - Adelboden, 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 42min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in September
Adelboden, Switzerland

Average sunshine days in September - Adelboden, Switzerland
  • Average sunshine days in September: 8.1 days

The month with the most sunshine days is October (14.8 days).
The months with the least sunshine days are May and June (3.2 days).

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Average UV index in September
Adelboden, Switzerland

Average UV index in September - Adelboden, 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, February and December (UV index 1).

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Average cloud cover in September
Adelboden, Switzerland

Average cloud cover in September - Adelboden, Switzerland
  • Average cloud cover in September: 43

The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 40).

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Average visibility in September
Adelboden, Switzerland

Average visibility in September - Adelboden, 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).

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Adelboden, Switzerland

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