Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Graz, Styria, Austria in September

In an average September, Graz sees a daily high around 22°C and a low around 11°C, based on 1981–2026 of local climate records.

Average high22°C
Typical high range16°C to 27°C
Average low11°C
Typical low range6°C to 14°C
Average daily precipitation3 mm

September records

The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 33°C 1987-09-14
Lowest 9°C 2013-09-30

Low

Highest 22°C 2024-09-02
Lowest 1°C 2008-09-18

Feels-like

Highest 39°C 1987-09-14
Lowest -3°C 1987-09-30

Humidity

Highest 15.6 g/m³ 1994-09-01
Lowest 5.2 g/m³ 2018-09-26

Wind

Highest 43 km/h 2024-09-15
Lowest 6 km/h 2009-09-21

Precip

Wettest 184 mm 2014
Driest 26 mm 2023

See Graz's live weather grade →

Visiting Graz in September? See how its comfort stacks up against where you live.

Compare Graz with your city →

‹ August · Graz climate overview · October ›