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Grossarl Weather in September

With daytime temperatures of 15°C (59°F) and nighttime lows of 5°C (41°F), September in Grossarl brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 145 mm (5.7 in) falls on average.

Rainfall in Grossarl in September

Typically around 14 days of rainfall are expected, averaging 145 mm (5.7 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Grossarl in September

September in Grossarl brings moderate temperatures, with highs of 15°C (59°F) and nights around 5°C (41°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Grossarl in September

The month brings about 129 hours of sunlight, offering a comfortable mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Grossarl.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Austria, check out our Grossarl's climate page.

Grossarl Temperature in September

Min TemperatureMin Temperature 5°C (41°F)  
Max TemperatureMax Temperature 15°C (59°F)  
Chance of RainChance of Rain 46%  
PrecipitationPrecipitation 145 mm (5.7 in)  
Rainy daysRainy days 14 days  
HumidityHumidity 56% *  
SunshineSunshine 129 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Bad Gastein, Austria (13 KM, 8 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Grossarl typically stay consistent throughout September, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather for Grossarl in September

Browse day-by-day weather records for Grossarl spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Grossarl historical weather extremes in September

Based on 49 years of weather observations in Grossarl between 1976 and 2025, these are the recorded extremes.

  • The warmest day in September was on September 11, 2011, with a maximum of 30°C (86°F).
  • The coldest September day was on September 14, 2024, with a maximum of 4°C (39°F).
  • The coldest night in September in Grossarl was on September 28, 2002, with a minimum of -3°C (27°F).
  • The heaviest September precipitation occurred on September 3, 1989, when 63 mm (2.5 in) of precipitation fell.

Best Places in Austria in September

Find out more about the weather in Austria and which places have the best travel conditions in this month. See all of Austria in September →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Grossarl in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Grossarl in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Austria, check out our Grossarl's climate page.

More climate data for Grossarl