Mountain air

Bad Gastein weather in September

Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

69

Holiday weather in September

Good

Best time to visit: June – September

Best for skiing: December – March

What is the weather like in Bad Gastein in September?

In September, Bad Gastein is mild: daytime highs average 17 °C, and nights cool down to about 7 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 117 mm in total. All in all, September is a good month for a holiday in Bad Gastein.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score656953
Day21°17°13°
Night11°7°3°
Sun6 h5 h4 h
Rain days161211

More details for September

Daylight
12 h 39 min06:43 – 19:22
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
7 km/haverage daily peakAll months
Cloud cover
68 %on averageAll months
Hot days
0 days30 °C or more
Snow days
1 day1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Vienna

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %35 %
  • Few rainy daysweight 30 %41 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in September

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Bad Gastein in September: quick answers

Is Bad Gastein hot in September?

No. In September, Bad Gastein is mild: daytime highs average 17 °C and nights drop to about 7 °C.

Does it rain much in Bad Gastein in September?

Rain is frequent, with about 12 rainy days and 117 mm in total.

Bad Gastein month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences