September weather forecastWalchsee, Austria

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Walchsee, Austria, with an average temperature fluctuating between 16.6°C (61.9°F) and 6.2°C (43.2°F).

Temperature

September's onset introduces a mild reduction in the average high-temperature, from a pleasant 21.3°C (70.3°F) in August to a refreshing 16.6°C (61.9°F). Nightly temperatures drop to an average low of 6.2°C (43.2°F) in September.

Humidity

In Walchsee, the average relative humidity in September is 83%.

Rainfall

In Walchsee, in September, during 17 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, there are 186.1 rainfall days, and 1078mm (42.44") of precipitation is accumulated.

Snowfall

In Walchsee, Austria, snow does not fall in June through September.

Daylight

The average length of the day in September in Walchsee is 12h and 34min.
On the first day of the month, sunrise is at 06:29 and sunset at 19:51. On the last day of September, sunrise is at 07:09 and sunset at 18:52 CEST.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Make use of precautions - It is urged to ward off sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

In Walchsee, in September, the average high-temperature is 16.6°C (61.9°F), and the average low-temperature is 6.2°C (43.2°F).

In September, the average relative humidity in Walchsee is 83%.

In Walchsee, Austria, during September, the rain falls for 17 days and regularly aggregates up to 70mm (2.76") of precipitation.

June through September are months without snowfall in Walchsee.

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

The average day length in September is 12h and 34min.

On the first day of September in Walchsee, sunrise is at 06:29 and sunset at 19:51. On the last day of the month, sunrise is at 07:09 and sunset at 18:52 CEST.

In Walchsee, the average sunshine duration in September is 8.6h.

In Walchsee, Austria, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Walchsee, Austria

  • Average high temperature in September: 16.6°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in September: 6.2°C

The month with the highest average low temperature is August (9.8°C).
The coldest month (with the lowest average low temperature) is February (-6.9°C).

Average pressure in September
Walchsee, Austria

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in September
Walchsee, Austria

  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is December (7.8km/h).
The calmest months (with the lowest average wind speed) are August and September (6km/h).

Average humidity in September
Walchsee, Austria

  • Average humidity in September: 83%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is April (79%).

Average rainfall in September
Walchsee, Austria

  • Average rainfall in September: 70mm

The wettest month (with the highest rainfall) is July (140mm).
The driest month (with the least rainfall) is November (43mm).

Average rainfall days in September
Walchsee, Austria

  • Average rainfall days in September: 17 days

The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is February (8.7 days).

Average snowfall in September
Walchsee, Austria

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (450mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Walchsee, Austria

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Walchsee, Austria

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 36min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Walchsee, Austria

  • Average sunshine days in September: 10.1 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (4.6 days).

Average UV index in September
Walchsee, Austria

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Walchsee, Austria

  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Walchsee, Austria

  • Average visibility in September: 7km

The months with the highest visibility are March, April, May, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February and September (7km).