Brno Weather in September
Czechia · 30-year monthly averages
🌟 Great time to visit
September in Brno is pleasantly warm, with average daytime highs around 21°C (69°F) and nighttime lows near 11°C (51°F). Expect roughly 51mm of precipitation spread over about 6 rainy days, with little rainfall.
Avg high
21°C
69°F
Avg low
11°C
51°F
Rainfall
51mm
dry
Rainy days
6
days with ≥1mm
☀️ About 174 hours of sunshine over the month (~6h/day).
🎒 What to pack
- light layers
- comfortable walking shoes
September vs the rest of the year
FAQ
- How hot is Brno in September?
- September in Brno is pleasantly warm, with average daytime highs around 21°C (69°F) and nighttime lows near 11°C (51°F). Expect roughly 51mm of precipitation spread over about 6 rainy days, with little rainfall.
- Does it rain a lot in Brno in September?
- Brno sees around 51mm of precipitation in September on average — dry by global standards.
- Is September a good time to visit Brno?
- September is one of the best months to visit Brno — comfortable temperatures and manageable rainfall.