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Graz — weather in September

21.1°C Daytime temperatures 11.7°C Night temperatures 15 Sunny days 11.7-13.4 Sun (hours) 4 Rainy days 57.3 mm Precipitation 0°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 33°C — 1 September 2015.
The maximum night temperature 20.5°C — 1 September 2019.
The minimum daily temperature 9°C — 6 September 2015.
The minimum night temperature 3°C — 18 September 2013.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 87.7 mm — May. Minimum precipitation 20.3 mm — January.
Wind speed, km / h
Maximum wind speed 7.1 km / h — April. Minimum wind speed 4.4 km / h — November.
Number of hours of sunshine
The maximum number of hours of sunshine per day 10.9 h. — July. The minimum number of hours of sunshine per day 5.3 h. — January.
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