Weather in Graz in September
Climate normals based on 10 years of historical data for Graz, Österreich.
Average high
21°C
Average low
12°C
Rainfall
107 mm
11 rainy days
Sunshine
4.1h/day
Luftfeuchtigkeit
71%
How Hot Is Graz in September?
September keeps Graz warm but with noticeable cooling at night: 21°C peaks, 12°C lows.
Sunshine Hours in September
Mixed weather is typical in Graz this September: 4.1h of sun a day on average.
Does It Rain In Graz In September?
September brings substantial rainfall to Graz: 107mm across 11 wet days.
Is Graz Humid In September?
Humid air dominates Graz in September: 71% on average makes warm days feel hotter.
Wind In Graz In September
Air stays mostly still in Graz: 9 kph on average in September.
Cloud Cover In Graz In September
Cloudy skies dominate Graz in September — averaging 57% cloud cover.
Cities With Similar Weather In September
Weather in Graz, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 4°C / -3°C | 36mm | Details → |
| Wetter im Februar | 8°C / -1°C | 37mm | Details → |
| Wetter im März | 11°C / 1°C | 35mm | Details → |
| Wetter im April | 16°C / 5°C | 57mm | Details → |
| Wetter im Mai | 19°C / 10°C | 129mm | Details → |
| Wetter im Juni | 25°C / 14°C | 110mm | Details → |
| Wetter im Juli | 27°C / 16°C | 105mm | Details → |
| Wetter im August | 27°C / 16°C | 121mm | Details → |
| Wetter im September | 21°C / 12°C | 107mm | |
| Wetter im Oktober | 16°C / 7°C | 66mm | Details → |
| Wetter im November | 10°C / 2°C | 58mm | Details → |
| Wetter im Dezember | 5°C / -1°C | 41mm | Details → |