Poland in september: average Weather, Temperature and Climate, Where to go?
Weather in Poland in september 2025
In this section, you have access to the weather forecast for the month of september for most popular cities in Poland. These forecasts are probabilities for the month of september from weather reports for many years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Warsaw
good weather
Weather at 6am
56°F
Clear/Sunny
40% of time
29%
15%
14%
Weather at 12pm
68°F
Clear/Sunny
36% of time
30%
17%
14%
Weather at 6pm
59°F
Clear/Sunny
44% of time
25%
15%
13%
Weather at 3am
54°F
37%
27%
12%
11%
Where to go in Poland in september?
Where to go in Poland in september: destination map
Where to go in each region in september?
| Central of Poland (Warsaw, Lodz, Płock...) | 67°F to 68°F | 3 à 5 days | good weather | |
| East of Poland (Lublin, Rzeszów, Białystok...) | 65°F to 70°F | 3 à 6 days | good weather | |
| North of Poland (Gdansk, Władysławowo, Grudziądz...) | 65°F to 68°F | 3 à 5 days | 63°F to 65°F | good weather |
| North West of Poland (Poznan, Koszalin, Szczecin...) | 65°F to 70°F | 2 à 5 days | 63°F to 65°F | good weather |
| South of Poland (Krakow (Cracow), Zakopane, Katowice...) | 63°F to 70°F | 4 à 6 days | good weather | |
| South West of Poland (Wroclaw, Opole, Legnica...) | 65°F to 70°F | 4 à 6 days | good weather |
Where should you go in Poland in september when it comes to the weather?
Remember:
The climate in Poland in september is good across the board.
It is not perfect, however, the weather in Poland in september is, on average, pretty good averywhere: in Warsaw, Auschwitz, Krakow (Cracow), Przemysl, Koszalin, Wroclaw, Szczecin, Lubin, Suwalki, Poznan and Gdansk. I allows to savor tour in these places. And even why not take a little time to sunbathe!
Climate in Poland in september
Climate in Warsaw in september
In september, the mean temperature in Warsaw is 63°F (maximum temperature is 68°F and minimum temperature is 56°F). The climate quite nice in that area in the month of september. With about 2.4in over 4 days, rain may be scarce throughout your journey.
With a good climate, the month of september is a recommended month to go in this city in Poland.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 81% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 40% | ||
| Length of day | 12:40 | ||
| Our opinion at whereandwhen.net | good |
Climate in Krakow in september
In september, the mean temperature in Krakow (Cracow) is 63°F (maximum temperature is 70°F and minimum temperature is 56°F). The climate nice there in the month of september. With 3.1in over 4 days, you risk getting wet slightly throughout your journey. But this is moderate and it will not be continuous.
With a good weather, the month of september is a good time to go in this city in Poland.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 3.1in | ||
| Number of days with rainfall | 4 day(s) (13%) | ||
| Humidity | 81% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 38% | ||
| Length of day | 12:38 | ||
| Our opinion at whereandwhen.net | good |
Climate in Gdansk in september
In the month of september, maximum temperature is 67°F and minimum temperature is 56°F (for an average temperature of 61°F). The climate is relatively fresh here in this month, but it is tolerable by dressing warm. With 3.3in over 5 days, rainfall can happen during your journey. But this is pretty moderate and it is only of temporary showers.
With a good weather, september is a good time to go in this city.
| September | |||
| Average temperature | 61°F | ||
| Highest temperature | 67°F | ||
| Lowest temperature | 56°F | ||
| Sea temperature | 64°F | ||
| Rainfall | 3.3in | ||
| Number of days with rainfall | 5 day(s) (16%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 41% | ||
| Length of day | 12:43 | ||
| Our opinion at whereandwhen.net | good |
Climate in Poznan in september
In the month of september, maximum temperature is 70°F and minimum temperature is 56°F (for an average temperature of 63°F). The climate enjoyable in that locality in the month of september. With 2.3in over 4 days, you risk getting wet slightly during your journey. But this is moderate and it is only of temporary showers.
With a good climate, the month of september is a good time to go in this city.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 2.3in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 39% | ||
| Length of day | 12:40 | ||
| Our opinion at whereandwhen.net | good |
Climate in Białystok in september
In the month of september, the mean temperature in Białystok is 61°F (maximum temperature is 67°F and minimum temperature is 56°F). The climate is quite fresh around this city in this month, but it is endurable when dressing warm. With 3in over 4 days, you will experience some showers for your journey. But this is pretty moderate and it will not be continuous.
With a good climate, september is a good time to go in that area.
| September | |||
| Average temperature | 61°F | ||
| Highest temperature | 67°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 3in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 83% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 42% | ||
| Length of day | 12:42 | ||
| Our opinion at whereandwhen.net | good |
All cities in Poland in september
| Warsaw in september | good weather |
| Krakow (Cracow) in september | good weather |
| Gdansk in september | good weather |
| Poznan in september | good weather |
| Białystok in september | good weather |
| Grudziądz in september | good weather |
| Katowice in september | good weather |
| Koszalin in september | good weather |
| Legnica in september | good weather |
| Lodz in september | good weather |
| Lublin in september | good weather |
| Opole in september | good weather |
| Płock in september | good weather |
| Rzeszów in september | good weather |
| Szczecin in september | good weather |
| Wroclaw in september | good weather |
| Władysławowo in september | good weather |
| Zakopane in september | good weather |
| Augustów in september | good weather |
| Auschwitz in september | good weather |
| Biała Podlaska in september | good weather |
| Bieszczady National Park in september | good weather |
Weather data for Poland in september:
Weather data for Poland in september is derived from an average of the weather forecast since 2009 in Poland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Poland 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 Poland.