September weather forecast
Austria

September in Austria denotes the commencement of the autumn season. The transition from summer is visible in the gradual cooling of the temperature, reducing daylight hours, and less frequent rainfall, setting a picturesque scene of vibrant foliage and more manageable temperatures for locals and visitors alike.

In the eastern city of Vienna, September temperatures range between 12°C and 21°C, while in Linz, in the northern region, they hover from 11°C to 21°C. This slight decrease in temperature from the preceding summer months brings a comfortable chill, particularly noticeable during the early mornings and evenings.

Rainfall in September varies from 50mm to 90mm across Austria. The decrease in rainfall from August aligns with the change of seasons, with less frequent occurrences of thunderstorms. Despite lower rainfall, the landscape remains lush, with forests and fields showcasing a spectacular array of autumn colors.

As for snowfall, it remains a rare occurrence in September, even in regions of high altitude above 2000 meters. However, towards the end of the month, the mountainous regions may start to see the initial signs of winter with sporadic snowfall.

Daylight hours in September reduce further, with Austria experiencing an average of six to seven hours of daylight per day. Yet, the available sunlight continues to facilitate outdoor activities and sightseeing, enhanced by the spectacular display of autumn foliage.

Relative humidity in September oscillates between 55% and 85%. Predominantly clear skies and bright sunshine are typical during this month, despite the occasional overcast conditions.

Comparing September to August, there is a noticeable decrease in temperature, daylight hours, and rainfall. As Austria progresses into October, temperatures continue to drop, rainfall fluctuates, and daylight hours decrease further, indicating the deepening of autumn and the imminent approach of winter.

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• Vienna - September »
  In Vienna, in September, during 6.9 rainfall days, 50mm of precipitation is typically accumulated. In Vienna, in September, it is raining for 6.9 days, with typically 50mm of accumulated precipitation.
• Graz - September »
  September in Graz ushers in the fall, however the weather remains warm, ranging from 9°C in the night to 20°C during the day. On the first day of September in Graz sunrise is at 06:17 and sunset at 19:39.
• Linz - September »
  In Linz, in September, during 11.5 rainfall days, 34mm of precipitation is typically accumulated. In Linz, during September, the rain falls for 11.5 days and regularly aggregates up to 34mm of precipitation.
• Salzburg - September »
  On the last day of September, in Salzburg, sunrise is at 07:05 and sunset at 18:50 CEST. In Salzburg, in September, during 10.8 rainfall days, 101mm of precipitation is typically accumulated.
• Innsbruck - September »
  In Innsbruck during September, the rain falls for 15.7 days and regularly aggregates up to 46mm of precipitation. In September, in Innsbruck the rain falls for 15.7 days.
• Klagenfurt - September »
  In Klagenfurt during September, the rain falls for 12.5 days and regularly aggregates up to 57mm of precipitation. On the first day of September in Klagenfurt sunrise is at 06:22 and sunset at 19:43.
• Villach - September »
  In Villach during September, the rain falls for 16.8 days and regularly aggregates up to 101mm of precipitation. In Villach in September, it is raining for 16.8 days, with typically 101mm of accumulated precipitation.
• Dornbirn - September »
  In Dornbirn, in September, it is raining for 14.6 days, with typically 60mm of accumulated precipitation. In Dornbirn, in September, it is raining for 14.6 days, with typically 60mm of accumulated precipitation.
• Wiener Neustadt - September »
  In Wiener Neustadt snow does not fall in May through September. In September, in Wiener Neustadt the rain falls for 10.7 days.
• Feldkirch - September »
  In Feldkirch snow does not fall in June through September. In Feldkirch, snow does not fall in June through September.