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Plzeň Weather in September
Plzeň in September sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 9°C (48°F). Overall excellent conditions make it one of the better months to visit.
Rainfall in Plzeň in September
Analyzing past climate data, one can expect approximately 13 days of rain, averaging 59 mm (2.3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Plzeň in September
Plzeň has excellent weather in September, with days reaching 20°C (68°F) and nights cooling to 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Plzeň Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
43%
Precipitation
59 mm (2.3 in)
Rainy days
13 days
Humidity
79% *
* Data from: Mariánské Lázně, Czech Republic (45 KM, 28 Miles).
Plzeň Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Plzeň - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Plzeň typically drop from around 21°C (70°F) at the start of September to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Plzeň in September
Browse day-by-day weather records for Plzeň spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Plzeň historical weather extremes in September
Based on weather observations in Plzeň between 1976 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 4, 2024, with a maximum of 33°C (91°F).
- The lowest daytime temperature in September was 7°C (45°F), recorded on September 25, 2002.
- Plzeň registered its coldest September night on September 28, 1977, with temperatures dropping to -2°C (28°F).
Best Places in Czech Republic in September
Find out more about the weather in Czech Republic and which places have the best travel conditions in this month. See all of Czech Republic in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Plzeň in September
For Plzeň in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Plzeň in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping4/10 -
Outdoor sports10/10
Plzeň 3-Day Forecast
More climate data for Plzeň
See the full Plzeň climate overview or explore weather in Czech Republic.
Popular in September
Where to go in September - average daytime high across popular destinations.
Prague
20°C (68°F) Brno21°C (70°F) Mariánské Lázně
19°C (66°F) Český Krumlov18°C (64°F) Karlovy Vary
18°C (64°F) Harrachov17°C (63°F) Rokytnice nad Jizerou17°C (63°F) Špindlerův Mlýn17°C (63°F) Bucket list
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