September weather forecastHinterkappelen, Switzerland

September

Weather in September

September, the first month of the autumn in Hinterkappelen, is still a refreshing month, with an average temperature ranging between max 18.3°C (64.9°F) and min 7.5°C (45.5°F).

Temperature

The average high-temperature shows a slight dip in September, from August's agreeable 22.9°C (73.2°F) to a comfortable 18.3°C (64.9°F). During September, Hinterkappelen sees a mean low-temperature of 7.5°C (45.5°F).

Humidity

The average relative humidity in September in Hinterkappelen is 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 23mm (0.91") of precipitation.

Snowfall

June through September are months without snowfall in Hinterkappelen.

Daylight

In Hinterkappelen, Switzerland, the average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 06:50 and sunset at 20:10. On the last day of September, in Hinterkappelen, sunrise is at 07:28 and sunset at 19:12 CEST.

Sunshine

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

UV index

In Hinterkappelen, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

During September, Hinterkappelen experiences an average high-temperature of 18.3°C (64.9°F) and a low-temperature of 7.5°C (45.5°F).

In September, the average relative humidity in Hinterkappelen is 81%.

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 23mm (0.91") of precipitation.

In Hinterkappelen, Switzerland, in September, it is raining for 11.5 days, with typically 23mm (0.91") of accumulated precipitation.

In Hinterkappelen, snow does not fall in June through September.

In Hinterkappelen, in September, it doesn't snow. In October, it regularly snows.

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

In September, on the first day of the month, sunrise is at 06:50 and sunset at 20:10. On the last day of the month, in Hinterkappelen, Switzerland, sunrise is at 07:28 and sunset at 19:12 CEST.

The average sunshine duration in September in Hinterkappelen, Switzerland, is 8.7h.

In September, the average daily maximum UV index in Hinterkappelen is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hinterkappelen, Switzerland

  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).

Average pressure in September
Hinterkappelen, Switzerland

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Hinterkappelen, Switzerland

  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in September
Hinterkappelen, Switzerland

  • Average humidity in September: 81%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in September
Hinterkappelen, Switzerland

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).

Average rainfall days in September
Hinterkappelen, Switzerland

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).

Average snowfall in September
Hinterkappelen, Switzerland

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Hinterkappelen, Switzerland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Hinterkappelen, 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 August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).

Average sunshine days in September
Hinterkappelen, Switzerland

  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).

Average UV index in September
Hinterkappelen, Switzerland

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Hinterkappelen, Switzerland

  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Hinterkappelen, Switzerland

  • Average visibility in September: 8km

The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).