Czech Republic in september: average Weather, Temperature and Climate, Where to go?
Weather in Czechia in september 2025
Below, find the the weather forecast for the month of september for most popular cities in Czech Republic. These datas are probabilities for the month of september from weather reports for over 10 years. The percentage indicates the possibility of having the weather mentioned.
Average weather in september in Prague
good weather
Weather at 6am
56°F
Clear/Sunny
39% of time
31%
13%
12%
Weather at 12pm
68°F
Clear/Sunny
34% of time
28%
22%
11%
Weather at 6pm
59°F
Clear/Sunny
38% of time
31%
18%
7%
Weather at 3am
54°F
37%
27%
14%
12%
Where to go in Czechia in september?
Where to go in Czechia in september: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in september?
| Central of Czech Republic (Prague, Kolín, Kutná Hora...) | 68°F | 3 à 4 days | good weather |
| East of Czech Republic (Brno, Ostrava, Austerlitz (Slavkov)...) | 63°F to 72°F | 2 à 6 days | good weather |
| West of Czech Republic (Karlovy Vary, Český Krumlov (South Bohemian Region), Šumava National Park...) | 63°F to 68°F | 3 à 8 days | good weather |
Where should you go in Czechia in september when it comes to the weather?
Remember:
The climate in Czechia in september is good across the board.
It is not perfect, however, the weather in Czech Republic that month is, according to seasonal norms, good in Karlovy Vary, Kutná Hora, Olomouc, Brno, Telč, Prague, Ostrava, Český Krumlov (South Bohemian Region) and Harrachov Ski Resort. I allows to appreciate sightseeing in these locations. And even why not take a little time to lazing in the sun!
If you do not go for the sun or the beach, but, for example for hiking, the city of Šumava National Park have a decent enough weather for this kind of activity in september.
Climate in Czechia in september
Climate in Prague in september
In the month of september, maximum temperature is 68°F and minimum temperature is 56°F (for an average temperature of 63°F). The climate quite nice in that area in the month of september. With 3.2in over 4 days, rain may occur during your holidays. But this is reasonably and it will not be continuous.
With good weather conditions, the month of september is a good time to go in this city in Czech Republic.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 3.2in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 83% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 39% | ||
| Length of day | 12:37 | ||
| Our opinion at whereandwhen.net | good |
Climate in Kolín in september
In september, maximum temperature is 68°F and minimum temperature is 56°F (for an average temperature of 63°F). The climate is quite nice around this city in september. With 2.6in over 4 days, rainfall is infrequent during your trip.
With good weather conditions, september is a recommended month to go there.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 83% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 34% | ||
| Length of day | 12:37 | ||
| Our opinion at whereandwhen.net | good |
Climate in Austerlitz (Slavkov) in september
In september, maximum temperature is 70°F and minimum temperature is 56°F (for an average temperature of 63°F). The climate is nice there in september. With just 2in over 3 days,
it rains very little for your journey.
With good weather conditions, september is a recommended month to go in this city.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 2in | ||
| Number of days with rainfall | 3 day(s) (10%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 35% | ||
| Length of day | 12:36 | ||
| Our opinion at whereandwhen.net | good |
Climate in Bohemian Switzerland National Park in september
In september, maximum temperature is 68°F and minimum temperature is 54°F (for an average temperature of 61°F). The climate is comfortable in that area in this month. With 3.2in over 4 days, rain may occur for your journey. But this is rather moderate and it will not be continuous.
With good weather conditions, the month of september is a good month to go in Bohemian Switzerland National Park.
| September | |||
| Average temperature | 61°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 54°F | ||
| Rainfall | 3.2in | ||
| Number of days with rainfall | 4 day(s) (15%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 37% | ||
| Length of day | 12:38 | ||
| Our opinion at whereandwhen.net | good |
Climate in Brno in september
In the month of september, the mean temperature in Brno is 63°F (maximum temperature is 70°F and minimum temperature is 56°F). The climate pleasant there in this month. With 2in over 3 days, rain may occur during your stay. But this is pretty moderate and it is only of temporary showers.
With a good weather, september is an advisable month to go in this city.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 2in | ||
| Number of days with rainfall | 3 day(s) (10%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 35% | ||
| Length of day | 12:36 | ||
| Our opinion at whereandwhen.net | good |
All cities in Czechia in september
| Prague in september | good weather |
| Kolín in september | good weather |
| Austerlitz (Slavkov) in september | good weather |
| Bohemian Switzerland National Park in september | good weather |
| Brno in september | good weather |
| Ceské Budejovice in september | good weather |
| Český Krumlov (South Bohemian Region) in september | good weather |
| Harrachov Ski Resort in september | good weather |
| Holašovice in september | good weather |
| Jablonec nad Nisou in september | good weather |
| Karlovy Vary in september | good weather |
| Kutná Hora in september | good weather |
| Lednice in september | good weather |
| Lipno nad Vltavou in september | good weather |
| Marianské Lazné (Marienbad) in september | good weather |
| Mikulov in september | good weather |
| Moravia (Olomouc) in september | good weather |
| South Moravian Region in september | good weather |
| Ostrava in september | good weather |
| Šumava National Park in september | good weather |
| Telč in september | good weather |
| Terezín in september | good weather |
| Benešov in september | good weather |
| Beroun in september | good weather |
| Blansko in september | good weather |
| Brandys nad Labem-Stara Boleslav in september | good weather |
| Chomutov in september | good weather |
| Domazlice in september | good weather |
| Dvur Kralove nad Labem in september | good weather |
| Cheb in september | good weather |
| Frydek-Mistek in september | good weather |
| Hlinsko in september | good weather |
| Hodonín in september | good weather |
| Hradec Králové in september | good weather |
| Jesenik in september | good weather |
| Jihlava in september | good weather |
| Karvina in september | good weather |
| Kladno in september | good weather |
| Klatovy in september | good weather |
| Krnov in september | good weather |
| Liberec in september | good weather |
| Litomyšl in september | good weather |
| Mladá Boleslav in september | good weather |
| Most in september | good weather |
| Nachod in september | good weather |
| Opava in september | good weather |
| Pardubice in september | good weather |
| Pilsen in september | good weather |
| Rokycany in september | good weather |
| Roznov pod Radhostem in september | good weather |
| Slany in september | good weather |
| Strakonice in september | good weather |
| Sumperk in september | good weather |
| Tábor in september | good weather |
| Tachov in september | good weather |
| Teplice in september | good weather |
| Trutnov in september | good weather |
| Ústí nad Labem in september | good weather |
| Usti nad Orlici in september | good weather |
| Varnsdorf in september | good weather |
| Vrchlabi in september | good weather |
| Vyškov in september | good weather |
| Zlín in september | good weather |
| Znojmo in september | good weather |
Weather data for Czech Republic in september:
Weather data for Czech Republic in september is derived from an average of the weather forecast since 2009 in Czechia. There is a margin of error and these forecasts are to be considered as general information only. The weather in Czechia can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to the Czech Republic.