Early autumn · Weather & things to do
Prague in September
Prague cools off: highs slip to 69°F (21°C), from 79°F in August, with lows of 49°F (10°C) and about 2.1 in (53 mm) of rain.
At 87/100 for comfort (the top score of the year), it's one of the best months to visit.

- Avg high
- 69°F (21°C)
- Avg low
- 49°F (10°C)
- Rain
- 2.1 in (53 mm)
- Humidity
- 72%
- Cloud cover
- 64%
- Daylight
- ~12 h 21 min
- Comfort score
- 87/100 · Great
What September feels like
Expect mild afternoons around 69°F (21°C), good for long walks.
Lows average 49°F (10°C).
Rain is moderate at about 2.1 in (53 mm) for the month.
Plan around September
September is one of Prague's best months on the climate data.
- Last of the best-scoring months: by October, the score drops to 74/100.
- Comfort improves from 84/100 in August to 87/100.
- September sits inside the Apr – Jun, Sep – Oct window our Prague, Vienna & Budapest route recommends.
What to pack for September
- A warm layer for eveningslows near 49°F
- Comfortable walking shoesmost picks involve some walking
What to do in Prague in September
September is good outdoor weather here, so these picks lean toward the open air.
Old Town Square and Astronomical Clock
Main square with Týn Church and the medieval clock that performs on the hour.
Petřín Hill
Wooded hill with orchards, a lookout tower and views over the red roofs.
Why now September scores 87/100 for comfort, good conditions for being outside.
Charles Bridge
14th-century stone bridge lined with 30 Baroque statues over the Vltava.
Letná Beer Garden
Open-air beer garden in Letná Park with a broad view of the bridges.
Why now Highs near 69°F and 2.1 in of monthly rain make this an easy outdoor pick.
Lokál Dlouhá
Long beer hall serving tank Pilsner Urquell and Czech classics like svíčková.
Nearby in September
- Dresden in September~74 mi · highs 69°F, 2.3 in rain · similar daytime temperatures, about as wet
- Vienna in September~156 mi · highs 71°F, 3.1 in rain · similar daytime temperatures, wetter
- Nuremberg in September~156 mi · highs 69°F, 2.2 in rain · similar daytime temperatures, about as wet
- Bamberg in September~158 mi · highs 69°F, 2.1 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Prague in September: quick answers
Is September a good time to visit Prague?
Yes. On the climate data it's one of the best months, scoring 87/100. Expect highs of 69°F (21°C) and 2.1 in (53 mm) of rain. September is inside the Apr – Jun, Sep – Oct window our Prague, Vienna & Budapest route recommends.
How hot is Prague in September?
Average highs are 69°F (21°C) and average lows 49°F (10°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Prague in September?
Not much: about 2.1 in (53 mm) of rain falls across September on average, the 5th-wettest month of the year. The annual total is about 25.2 in (639 mm).
What should I pack for Prague in September?
Bring a warm layer for evenings (lows near 49°F) and comfortable walking shoes (most picks involve some walking).
More on Prague
Routes in season in September
- Prague, Vienna & Budapest Apr – Jun, Sep – Oct
Planning Prague in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





