Innsbruck weather in September

September in Innsbruck: nice, rainy, with clean air — one of the best months to visit.

#2 of 12 months in Innsbruck · #221 of 604 destinations to visit in September · comfort 84/100 (tier A)

Updated June 2026 · climate normals from ERA5 reanalysis

Innsbruck climate normals — September

Daytime high21°C / 70°F😎 nice
Nighttime low11°C / 51°F
Feels like (high)22°C / 72°F
Rainfall150 mm / 5.9 in🌧 rainy
Rainy days15 days
Humidity83%💦 very humid
Dew point13°C / 55°F
Sunshine8.6 h/day
Daylight12.6 h
Wind7 km/h / 4 mph
Snowfall8.4 cm / 3.3 in
Air quality (US AQI)36🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Where is Innsbruck?

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Innsbruck in September — FAQ

Is September a good time to visit Innsbruck?
September in Innsbruck: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Innsbruck on SeasonMap's comfort score (84/100).
What is the weather like in Innsbruck in September?
In September, Innsbruck averages a daily high of 21.1°C and a low of 10.8°C, with about 149.5 mm of rain over roughly 15.2 rainy days.
What is the air quality in Innsbruck in September?
Innsbruck has a mean US Air Quality Index of about 36 in September.
Does it snow in Innsbruck in September?
Innsbruck sees roughly 8.4 cm of snowfall in September.

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