September in Bad Gastein brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 142 mm (5.6 in), so pack an umbrella.
For Bad Gastein itself, August generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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Pick a month to see the average temperature, rainfall and sunshine in Bad Gastein - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Bad Gastein typically stay consistent throughout September, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Bad Gastein spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Bad Gastein from 1976 through 2025.
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 →
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).
Pack for changing conditions in Bad Gastein in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Bad Gastein climate overview or explore weather in Austria.
Where to go in September - average daytime high across popular destinations.
Vienna
22°C (72°F) Salzburg
18°C (64°F) Schladming16°C (61°F) Saalbach Hinterglemm15°C (59°F) Zell am See15°C (59°F) Mayrhofen
14°C (57°F) Neustift im Stubaital13°C (55°F) Sölden12°C (54°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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