Weather in Ostrava in september
Climate normals based on 10 years of historical data for Ostrava, Tsjekkia.
Average high
20°C
Average low
11°C
Rainfall
101 mm
10 rainy days
Sunshine
4.1h/day
Luftfuktighet
71%
How Hot Is Ostrava in september?
Ostrava starts to ease back from summer's peak — afternoon highs of 20°C and overnight lows of 11°C in September.
Sunshine Hours in september
Sun comes and goes in Ostrava: 4.1h of direct sun, daylight from 6:25 am to 7:00 pm.
Does It Rain In Ostrava In september?
September's rainfall in Ostrava is significant: 101mm across 10 days.
Is Ostrava Humid In september?
High levels of humidity in Ostrava year-round (about 71%) will make it feel warmer than the thermometer suggests.
Wind In Ostrava In september
September brings gentle winds to Ostrava — averaging 16 kph.
Cloud Cover In Ostrava In september
Cloudy skies dominate Ostrava in September — averaging 57% cloud cover.
Cities With Similar Weather In september
Weather in Ostrava, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vær i januar | 2°C / -3°C | 49mm | Details → |
| Vær i februar | 5°C / -1°C | 52mm | Details → |
| Vær i mars | 9°C / 1°C | 45mm | Details → |
| Vær i april | 13°C / 4°C | 62mm | Details → |
| Vær i mai | 18°C / 9°C | 82mm | Details → |
| Vær i juni | 23°C / 13°C | 82mm | Details → |
| Vær i juli | 25°C / 15°C | 89mm | Details → |
| Vær i august | 25°C / 16°C | 114mm | Details → |
| Vær i september | 20°C / 11°C | 101mm | |
| Vær i oktober | 15°C / 7°C | 69mm | Details → |
| Vær i november | 8°C / 3°C | 52mm | Details → |
| Vær i desember | 4°C / -1°C | 55mm | Details → |