Austria in September: Weather, Crowds & What to Expect

Season
Shoulder
Temperature
8 to 22°C (46-72°F)
Crowds
Moderate
Prices
Moderate
September brings cooler evenings and the start of autumn colours in the mountains; crowds thin after August. It's an excellent month for sightseeing with generally stable weather and lower prices.

Climate Map for September

Austria average temperature in September
-30°-20°-10° 10°20°30°40°

Average temperature across Austria in September.

City Weather in September

City High Low Rain UV Feels
Vienna 20° 11° 49 mm moderate Cool
Innere Stadt (Graz) 20° 10° 81 mm moderate Cool
Linz 20° 10° 57 mm moderate Cool
Salzburg 20° 101 mm moderate Cool
Innsbruck 20° 79 mm moderate Cool
Klagenfurt 20° 93 mm moderate Cool
Villach 21° 109 mm moderate Cool

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

Western Alps (Tyrol & Vorarlberg)

The holiday season sees reliable ski conditions in many higher resorts with lively Christmas markets in Innsbruck and Arlberg villages; temperatures are generally well below freezing on the slopes and moderate in town centers thanks to albedo heat. Expect busy trains and full hotels around Christmas and New Year, especially in family-friendly and après-ski hubs like Ischgl and Sölden. Bring insulated boots for snowy streets and reserve rental equipment in advance.

Salzburgerland & Salzkammergut (Central Alps and lake district)

The pre-Christmas month sees the return of markets and a festive mood in Salzburg and towns like Bad Ischl, while ski resorts at higher elevation start to fill with early-season snow. Lakes are chilly and often too cold for bathing, but spa towns are busy with wellness visitors. Expect colder mornings, potential snow showers in the mountains, and packed trains to nearby ski hubs on weekends.

Eastern Austria (Vienna, Lower Austria & Burgenland)

The festive season in Vienna and towns across Lower Austria lights up markets and concert halls, while Burgenland’s spas stay warm and welcoming. Temperatures are often near or just below freezing and snowfall in the lowlands is possible but not guaranteed; streets can be icy so sturdy footwear is recommended. For travelers this is a peak time for culture and cuisine - book concerts and restaurant tables in advance.

Southern Austria (Carinthia & Southern Styria)

Winter markets and quieter lake promenades give December a calmer feel than the big Alpine resorts, though nearby ski areas are open and town cafés are warm refuges. Wörthersee is rarely frozen solid but the shoreline is scenic with frosty mornings; the region’s thermal spas are crowded on cold weekends. Pack warm clothing for evenings and plan spa or indoor activities as a buffer against unsettled weather.

Northern Uplands & Plateaus (Upper Austria, Mühlviertel, Waldviertel)

Winter tourism in December is modest but steady - cross-country trails are often groomed in the higher plateaus and small hill resorts open for family skiing. Snow cover varies by year and lower valleys may see rain or sleet, but the region’s forests and small towns look festive and quiet for pre-Christmas strolls. Pack warm clothing and keep expectations realistic for alpine-standard skiing.

Events & Festivals in September

There are no major festivals or events in Austria during September to be aware of.