Weather in Brno in september
Climate normals based on 10 years of historical data for Brno, Republiken Tjeckien.
Average high
21°C
Average low
12°C
Rainfall
85 mm
10 rainy days
Sunshine
4.6h/day
Luftfuktighet
66%
How Hot Is Brno in september?
September keeps Brno warm but with noticeable cooling at night: 21°C peaks, 12°C lows.
Sunshine Hours in september
Mixed skies in Brno: 4.6h of sun on a typical day, daylight from 6:30 am to 7:05 pm.
Does It Rain In Brno In september?
Showers and dry spells trade off: Brno sees 85mm in 10 days.
Is Brno Humid In september?
High levels of humidity in Brno year-round (about 66%) will make it feel warmer than the thermometer suggests.
Wind In Brno In september
Wind stays light: 17 kph on a typical day in Brno.
Cloud Cover In Brno In september
Grey, cloudy days are the norm: 54% average cover in Brno.
Cities With Similar Weather In september
Weather in Brno, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 2°C / -2°C | 38mm | Details → |
| Vädret i februari | 6°C / 0°C | 34mm | Details → |
| Vädret i mars | 10°C / 2°C | 35mm | Details → |
| Vädret i april | 15°C / 5°C | 42mm | Details → |
| Vädret i maj | 19°C / 10°C | 74mm | Details → |
| Vädret i juni | 24°C / 14°C | 86mm | Details → |
| Vädret i juli | 26°C / 16°C | 76mm | Details → |
| Vädret i augusti | 27°C / 16°C | 85mm | Details → |
| Vädret i september | 21°C / 12°C | 85mm | |
| Vädret i oktober | 15°C / 8°C | 52mm | Details → |
| Vädret i november | 8°C / 3°C | 46mm | Details → |
| Vädret i december | 4°C / -1°C | 44mm | Details → |