September weather forecast
Stummerberg, Austria

September

Weather in September

The first month of the autumn, September, is also a moderate month in Stummerberg, Austria, with temperature in the range of an average low of 4.5°C (40.1°F) and an average high of 14.9°C (58.8°F).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a comfortable 19.9°C (67.8°F) in August to a moderate 14.9°C (58.8°F). During the month of September, Stummerberg experiences a steady low-temperature average of 4.5°C (40.1°F).

Humidity

The average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 9.5 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, there are 123.7 rainfall days, and 341mm (13.43") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Stummerberg.

Daylight

In Stummerberg, the average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 06:32 and sunset at 19:52. On the last day of the month, sunrise is at 07:10 and sunset at 18:53 CEST.

Sunshine

The average sunshine in September is 8.7h.

UV index

In Stummerberg, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 in September transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What are the temperatures in September?
September temperatures vary between a high-temperature of 14.9°C (58.8°F) and a low-temperature of 4.5°C (40.1°F).
What is the average humidity in September?
The average relative humidity in September is 83%.
How much does it rain in September?
In Stummerberg, during September, the rain falls for 9.5 days and regularly aggregates up to 21mm (0.83") of precipitation.
When it does not snow?
In Stummerberg, snow does not fall in June through September.
Does it snow in September?
In Stummerberg, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September?
The average day length in September is 12h and 34min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 06:32 and sunset at 19:52. On the last day of the month, sunrise is at 07:10 and sunset at 18:53 CEST.
How long on average sun shines in September?
The average sunshine duration in September is 8.7h.
How high is the UV index in September?
In Stummerberg, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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 - Stummerberg, Austria
Average temperature in September
Stummerberg, Austria
  • Average high temperature in September: 14.9°C

The warmest month (with the highest average high temperature) is August (19.9°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in September: 4.5°C

The month with the highest average low temperature is August (7.7°C).
The coldest month (with the lowest average low temperature) is February (-9.7°C).

Average pressure in September - Stummerberg, Austria
Average pressure in September
Stummerberg, Austria
  • Average pressure in September: 1018.5mbar

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 - Stummerberg, Austria
Average wind speed in September
Stummerberg, Austria
  • Average wind speed in September: 5.5km/h

The windiest months (with the highest average wind speed) are February, November and December (7.4km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).

Average humidity in September - Stummerberg, Austria
Average humidity in September
Stummerberg, Austria
  • Average humidity in September: 83%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is August (80%).

Average rainfall in September - Stummerberg, Austria
Average rainfall in September
Stummerberg, Austria
  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days in September - Stummerberg, Austria
Average rainfall days in September
Stummerberg, Austria
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in September - Stummerberg, Austria
Average snowfall in September
Stummerberg, Austria
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (112mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Stummerberg, Austria
Average snowfall days in September
Stummerberg, Austria
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Stummerberg, Austria
Average daylight in September /
Average sunshine in September
Stummerberg, Austria
  • Average daylight in September: 12h and 4min

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 36min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September - Stummerberg, Austria
Average sunshine days in September
Stummerberg, Austria
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in September - Stummerberg, Austria
Average UV index in September
Stummerberg, 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, March, October, November and December (UV index 2).

Average cloud cover in September - Stummerberg, Austria
Average cloud cover in September
Stummerberg, Austria
  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September - Stummerberg, Austria
Average visibility in September
Stummerberg, 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).

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