Weather in Graz in September
In an average September, Graz sees a daily high around 20°C and a low around 10°C, based on 1980–2026 of local climate records.
| Average high | 20°C |
|---|---|
| Typical high range | 15°C to 25°C |
| Average low | 10°C |
| Typical low range | 7°C to 14°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
32°C
2015-09-01
Lowest
9°C
2013-09-30
Low
Highest
17°C
2024-09-05
Lowest
1°C
2018-09-26
Feels-like
Highest
36°C
2015-09-01
Lowest
-2°C
2018-09-26
Humidity
Highest
15.2 g/m³
1997-09-06
Lowest
5.3 g/m³
2018-09-25
Wind
Highest
29 km/h
2024-09-14
Lowest
4 km/h
1991-09-13
Gust
Highest
81 km/h
2024-09-14
Lowest
9 km/h
2004-09-01
Precip
Wettest
213 mm
2024
Driest
31 mm
1982
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