September weather forecastPertisau, Austria

September

Weather in September

September, the first month of the autumn in Pertisau, is also a moderate month, with temperature in the range of an average high of 15.2°C (59.4°F) and an average low of 4.5°C (40.1°F).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from an enjoyable 19.7°C (67.5°F) in August to a moderate 15.2°C (59.4°F). September nights experience a consistent temperature drop to a cold 4.5°C (40.1°F).

Humidity

The average relative humidity in September in Pertisau is 83%.

Rainfall

In Pertisau, during September, the rain falls for 18.7 days and regularly aggregates up to 99mm (3.9") of precipitation. In Pertisau, during the entire year, the rain falls for 183.8 days and collects up to 1150mm (45.28") of precipitation.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 17mm (0.67") of snow. Throughout the year, there are 74 snowfall days, and 2118mm (83.39") of snow is accumulated.

Daylight

In Pertisau, the average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 06:32 and sunset at 19:53. On the last day of September, in Pertisau, Austria, sunrise is at 07:11 and sunset at 18:54 CEST.

Sunshine

In September, the average sunshine in Pertisau is 8.5h.

UV index

In September, the average daily maximum UV index in Pertisau, Austria, is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

In Pertisau, 15.2°C (59.4°F) is the average high-temperature and 4.5°C (40.1°F) is the average low-temperature during September.

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

In Pertisau, Austria, during September, the rain falls for 18.7 days and regularly aggregates up to 99mm (3.9") of precipitation.

September is the first month it typically snows in Pertisau, Austria. Throughout September, in the average 0.2 snowfall days, it receives 17mm (0.67") of snow.

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

In September, on the first day of the month, sunrise is at 06:32 and sunset at 19:53. On the last day of the month, in Pertisau, Austria, sunrise is at 07:11 and sunset at 18:54 CEST.

The average sunshine duration in September in Pertisau is 8.5h.

In Pertisau, Austria, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pertisau, Austria

  • Average high temperature in September: 15.2°C

The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is January (-1.1°C).

  • Average low temperature in September: 4.5°C

The month with the highest average low temperature is August (7.8°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).

Average pressure in September
Pertisau, Austria

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Pertisau, Austria

  • Average wind speed in September: 5.3km/h

The windiest months (with the highest average wind speed) are February, November and December (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.3km/h).

Average humidity in September
Pertisau, Austria

  • Average humidity in September: 83%

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

Average rainfall in September
Pertisau, Austria

  • Average rainfall in September: 99mm

The wettest month (with the highest rainfall) is August (147mm).
The driest month (with the least rainfall) is February (57mm).

Average rainfall days in September
Pertisau, Austria

  • Average rainfall days in September: 18.7 days

The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in September
Pertisau, Austria

  • Average snowfall in September: 17mm

The month with the highest snowfall is January (570mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in September
Pertisau, Austria

  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Pertisau, 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 30min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Pertisau, Austria

  • Average sunshine days in September: 9.3 days

The month with the most sunshine days is October (15.7 days).
The months with the least sunshine days are May and June (4.8 days).

Average UV index in September
Pertisau, Austria

  • 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 November (UV index 1).

Average cloud cover in September
Pertisau, Austria

  • Average cloud cover in September: 44

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in September
Pertisau, Austria

  • Average visibility in September: 7km

The months with the highest visibility are June, July, August and November (8km).
The months with the lowest visibility are January and February (6km).