SeasonMapCzechia in September
September is one of Czechia's best months (rank 3 of 12): its 4 destinations average 86/100, led by Prague at 89 — 20°C and 8 rainy days — while Karlovy Vary trails at 84 with 61 mm of rain.
#3 of 12 months for Czechia · 4 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Czechia in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Prague | City | 20°C | 54 mm · 8 days | 89 tier A | Yes |
| 2 | Brno | City | 21°C | 66 mm · 11 days | 87 tier A | Yes |
| 3 | Český Krumlov | City | 19°C | 70 mm · 11 days | 85 tier A | Yes |
| 4 | Karlovy Vary | City | 19°C | 61 mm · 10 days | 84 tier A | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Czechia in September
- Mushroom season · Prague · 1 Aug – 31 Oct (usually)
- Burcak and the vineyard feasts · Prague · 1 Sep – 5 Oct (usually)
- Dvorak Autumn · Karlovy Vary · 5–30 Sep (usually)