September weather forecast
Gimmelwald, Switzerland

September

Weather in September

The first month of the autumn, September, is still a cool month in Gimmelwald, Switzerland, with an average temperature varying between 11.3°C (52.3°F) and 2.6°C (36.7°F).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's moderate 15.4°C (59.7°F) to a fresh 11.3°C (52.3°F). An average low-temperature of 2.6°C (36.7°F) is expected during September.

Humidity

In Gimmelwald, the average relative humidity in September is 85%.

Rainfall

In Gimmelwald, in September, during 16.9 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, there are 153.6 rainfall days, and 908mm (35.75") of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Gimmelwald, in September, snow falls for 3.7 days, with typically accumulated 75mm (2.95") of snow. In Gimmelwald, during the entire year, snow falls for 145.6 days and aggregates up to 3282mm (129.21") of snow.

Daylight

The average length of the day in September in Gimmelwald is 12h and 33min.
On the first day of the month, sunrise is at 06:49 and sunset at 20:07. On the last day of September, in Gimmelwald, sunrise is at 07:26 and sunset at 19:10 CEST.

Sunshine

In September, the average sunshine in Gimmelwald is 7.5h.

UV index

The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in September interprets into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

What are September temperatures in Gimmelwald?
The average high-temperature and low-temperature in Gimmelwald during September are 11.3°C (52.3°F) and 2.6°C (36.7°F) respectively.
What is the average humidity in September in Gimmelwald?
The average relative humidity in September is 85%.
How many days does it rain in September in Gimmelwald?
In Gimmelwald, in September, it is raining for 16.9 days, with typically 54mm (2.13") of accumulated precipitation.
How many days does it snow in September in Gimmelwald?
In Gimmelwald, in September, snow falls for 3.7 days, with typically accumulated 75mm (2.95") of snow.
What is the average length of the day in September in Gimmelwald?
In Gimmelwald, Switzerland, the average day length in September is 12h and 33min.
When is the sunrise / sunset in September in Gimmelwald?
On the first day of September in Gimmelwald, sunrise is at 06:49 and sunset at 20:07. On the last day of the month, sunrise is at 07:26 and sunset at 19:10 CEST.
How many hours of sunshine does Gimmelwald have in September?
In September, the average sunshine duration in Gimmelwald, Switzerland, is 7.5h.
How high is the UV index in September in Gimmelwald?
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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 - Gimmelwald, Switzerland
Average temperature in September
Gimmelwald, Switzerland
  • Average high temperature in September: 11.3°C

The warmest month (with the highest average high temperature) is August (15.4°C).
The month with the lowest average high temperature is January (-3.1°C).

  • Average low temperature in September: 2.6°C

The months with the highest average low temperature are July and August (5.7°C).
The coldest months (with the lowest average low temperature) are January and February (-11.9°C).

Average pressure in September - Gimmelwald, Switzerland
Average pressure in September
Gimmelwald, 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 (1015.3mbar).

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

The windiest month (with the highest average wind speed) is December (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity in September - Gimmelwald, Switzerland
Average humidity in September
Gimmelwald, Switzerland
  • Average humidity in September: 85%

The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is August (82%).

Average rainfall in September - Gimmelwald, Switzerland
Average rainfall in September
Gimmelwald, Switzerland
  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is June (116mm).
The driest month (with the least rainfall) is February (43mm).

Average rainfall days in September - Gimmelwald, Switzerland
Average rainfall days in September
Gimmelwald, Switzerland
  • Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is July (24 days).
The months with the least rainy days are February and December (4 days).

Average snowfall in September - Gimmelwald, Switzerland
Average snowfall in September
Gimmelwald, Switzerland
  • Average snowfall in September: 75mm

The month with the highest snowfall is December (506mm).
The month with the least snowfall is July (8mm).

Average snowfall days in September - Gimmelwald, Switzerland
Average snowfall days in September
Gimmelwald, Switzerland
  • Average snowfall days in September: 3.7 days

The month with the highest number of snowfall days is March (21.2 days).
The month with the least snowfall days is July (0.8 days).

Average daylight in September / Average sunshine in September - Gimmelwald, Switzerland
Average daylight in September /
Average sunshine in September
Gimmelwald, 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 3min

The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in September - Gimmelwald, Switzerland
Average sunshine days in September
Gimmelwald, Switzerland
  • Average sunshine days in September: 8.4 days

The month with the most sunshine days is October (14 days).
The month with the least sunshine days is July (3.6 days).

Average UV index in September - Gimmelwald, Switzerland
Average UV index in September
Gimmelwald, Switzerland
  • Average UV index in September: 2

The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, March, April and November (UV index 1).

Average cloud cover in September - Gimmelwald, Switzerland
Average cloud cover in September
Gimmelwald, Switzerland
  • Average cloud cover in September: 50

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are August and October (Cloud cover 46).

Average visibility in September - Gimmelwald, Switzerland
Average visibility in September
Gimmelwald, Switzerland
  • Average visibility in September: 7km

The months with the highest visibility are June, July, August, September, October, November and December (7km).
The months with the lowest visibility are January, February, March, April and May (6km).

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