Weather in Brno in September

Brno, Czechia averages a high of 19.7°C (67.5°F) and low of 11.1°C (52°F) in September, with 9 rain days and 8.6 hours of daily sunshine. Travel score: 74.7/100 (Good). The best time to visit Brno is August.

High
20°C67°F
Low
11°C52°F
🌧️
9
rain days
☀️
8.6
hrs/day sunshine
💧
73%
humidity
75Good

September in Brno is mild and occasionally wet — good for most activities.

What are the average temperatures in Brno?

JanFebMarAprMayJunJulAugSep20°11°OctNovDec

How much does it rain in Brno in September?

Brno receives an average of 66.4mm of rainfall across 9 rainy days in September. The annual total is 611.9mm.

JanFebMarAprMayJunJulAugSep9dOctNovDec

What should I pack for Brno in September?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C

Recommended

🧥
Light rain jacket
Some rainy days expected (9 days)
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods

🎉Visiting Czechia in September?

Don't miss any public holidays — check before you book!

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Data based on 1994–2024 averages · Last updated: 2024-12-31