September weather forecast
Hallstatt, Austria

Weather in September

The first month of the autumn, September, is still a mild month in Hallstatt, Austria, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 4.7°C (40.5°F).

Temperature

In Hallstatt, the average high-temperature in September decreases from a comfortable 19.7°C (67.5°F) in August to a mild 14.7°C (58.5°F). In Hallstatt, the average low-temperature is 4.7°C (40.5°F).

Humidity

In September, the average relative humidity in Hallstatt is 84%.

Rainfall

In Hallstatt, during September, the rain falls for 18 days and regularly aggregates up to 101mm (3.98") of precipitation. Throughout the year, there are 160.5 rainfall days, and 1270mm (50") of precipitation is accumulated.

Snowfall

January through June, August through December are months with snowfall in Hallstatt. In Hallstatt, in September, snow falls for 2 days, with typically accumulated 115mm (4.53") of snow. In Hallstatt, Austria, during the entire year, snow falls for 111.3 days and aggregates up to 4481mm (176.42") of snow.

Daylight

In Hallstatt, the average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 06:24 and sunset at 19:46. On the last day of September, sunrise is at 07:03 and sunset at 18:47 CEST.

Sunshine

The average sunshine in September is 7.8h.

UV index

The average daily maximum UV index in September in Hallstatt is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Hallstatt?

In September, in Hallstatt, Austria, the average high-temperature is 14.7°C (58.5°F), and the average low-temperature is 4.7°C (40.5°F).

What is the average humidity in September in Hallstatt?

In September, the average relative humidity in Hallstatt, Austria, is 84%.

How much does it rain in Hallstatt in September?

In Hallstatt, Austria, in September, it is raining for 18 days, with typically 101mm (3.98") of accumulated precipitation.

How many days does it snow in September in Hallstatt?

In Hallstatt, in September, snow falls for 2 days, with typically accumulated 115mm (4.53") of snow.

How many hours of daylight does Hallstatt have in September?

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

When are sunrise and sunset in September in Hallstatt?

On the first day of September, sunrise is at 06:24 and sunset at 19:46. On the last day of the month, sunrise is at 07:03 and sunset at 18:47 CEST.

How many hours of sunshine does Hallstatt have in September?

In September, the average sunshine duration in Hallstatt, Austria, is 7.8h.

What is the UV index intensity in September in Hallstatt?

In Hallstatt, Austria, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hallstatt, Austria

Average temperature in September - Hallstatt, Austria
  • Average high temperature in September: 14.7°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 (-1.8°C).

  • Average low temperature in September: 4.7°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°C).

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Average pressure in September
Hallstatt, Austria

Average pressure in September - Hallstatt, 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 May (1015.6mbar).

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Average wind speed in September
Hallstatt, Austria

Average wind speed in September - Hallstatt, Austria
  • Average wind speed in September: 5.9km/h

The windiest months (with the highest average wind speed) are February and December (7.7km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

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Average humidity in September
Hallstatt, Austria

Average humidity in September - Hallstatt, Austria
  • Average humidity in September: 84%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (80%).

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Average rainfall in September
Hallstatt, Austria

Average rainfall in September - Hallstatt, Austria
  • Average rainfall in September: 101mm

The wettest month (with the highest rainfall) is May (151mm).
The driest month (with the least rainfall) is November (63mm).

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Average rainfall days in September
Hallstatt, Austria

Average rainfall days in September - Hallstatt, Austria
  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is June (24.7 days).
The months with the least rainy days are January and February (3.5 days).

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Average snowfall in September
Hallstatt, Austria

Average snowfall in September - Hallstatt, Austria
  • Average snowfall in September: 115mm

The month with the highest snowfall is January (890mm).
The month with the least snowfall is July (0mm).

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Average snowfall days in September
Hallstatt, Austria

Average snowfall days in September - Hallstatt, Austria
  • Average snowfall days in September: 2 days

The month with the highest number of snowfall days is February (19.2 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in September / Average sunshine in September - Hallstatt, Austria
  • Average daylight in September: 12h and 34min

The month with the longest days is June (Average daylight: 15h and 55min).
The month with the shortest days is December (Average daylight: 8h and 31min).

  • Average sunshine in September: 7h and 48min

The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

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Average sunshine days in September
Hallstatt, Austria

Average sunshine days in September - Hallstatt, Austria
  • Average sunshine days in September: 9.8 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (3.7 days).

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Average UV index in September
Hallstatt, Austria

Average UV index in September - Hallstatt, 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 and November (UV index 1).

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Average cloud cover in September
Hallstatt, Austria

Average cloud cover in September - Hallstatt, Austria
  • Average cloud cover in September: 52

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 42).

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Average visibility in September
Hallstatt, Austria

Average visibility in September - Hallstatt, Austria
  • Average visibility in September: 6km

The months with the highest visibility are April, June, July, August, October, November and December (7km).
The months with the lowest visibility are January, February and March (5km).

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