Prague Weather in September

September weather

September feels like a gentle handover from summer to autumn. Afternoons can reach 21°C, but mornings and evenings cool to around 10°C. Rain falls on about 10 days, so showers may interrupt a walk through Old Town or along the Vltava.

The comfortable afternoons suit sightseeing on foot, river cruises and a climb up Petřín Hill. You can still enjoy beer gardens, though evenings may feel chilly. Skip a long outdoor plan if rain is falling: wet cobbles around Malá Strana can be slippery, and cloudy skies can dull the views from Prague Castle.

Events and crowds

The Dvořák Prague International Music Festival brings classical concerts to the city in September. The month also includes Czech Statehood Day on September 28, with ceremonies and events linked to St. Wenceslas. Some services and shops may run holiday hours.

Families who prefer cooler sightseeing will find September easier than August's hotter afternoons. Summer crowds thin, but Prague remains popular, especially around Charles Bridge and the Old Town Square. Prices are often below the summer peak, though this is still one of Prague's most sought-after months.

A good time to explore

With autumn colours beginning to show, September works well for a walk through Letná Park or a slower afternoon in Vyšehrad. There's enough daylight for both, but the days are already shorter than in summer. Rainfall is lower than in August, though showers remain part of the picture.

For a practical local tip, take tram 22 from Malostranské náměstí uphill toward Prague Castle if your legs are tired. The route passes close to the castle entrance, saving you a steep climb through Malá Strana. Check the Dvořák festival programme before choosing a concert; venues and performances vary.