Silesia Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Silesia, Poland in September.

Planning a trip to Silesia, Poland this September? Here's what you need to know about the weather:

What to Expect in Silesia in September

Silesia, Poland is a region in Poland. September in Silesia generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Ujsoły at 18°C (64°F) to pleasant in Racibórz at 21°C (70°F). Nighttime temperatures generally drop to 10°C (50°F) in Racibórz and 8°C (46°F) in Ujsoły.

For a closer look at conditions across Silesia, Poland, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Częstochowa with an average of 72 mm (2.8 in) to high rainfall in Rajcza with 111 mm (4.4 in).

Average sunshine

Sunshine is fairly consistent across many areas. Wisła receives about 150 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Silesia by month

Pick a month to see the average temperature, rainfall and sunshine in Silesia — and find the best time to visit. (based on Wisła)

Best Places to Visit in Silesia in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Silesia.

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).

Popular Destinations in Silesia

What is the weather like in September for some of the most popular destinations in Silesia, Poland?

Temperature range in Silesia (September)

Precipitation variation in Silesia (September)

Wisła

In September Wisła generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
13°C (55°F)
Min temperature
12°C (54°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
204 hours
150 hours
119 hours
Monthly rainfall
110 mm (4.3 in)
106 mm (4.2 in)
81 mm (3.2 in)
Monthly rainy days
15 days
13 days
13 days
Weather conditions

Szczyrk

In September Szczyrk generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
14°C (57°F)
Min temperature
12°C (54°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
204 hours
150 hours
119 hours
Monthly rainfall
113 mm (4.4 in)
109 mm (4.3 in)
82 mm (3.2 in)
Monthly rainy days
15 days
13 days
13 days
Weather conditions

Ustroń

In September Ustroń generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
14°C (57°F)
Min temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
204 hours
150 hours
119 hours
Monthly rainfall
106 mm (4.2 in)
104 mm (4.1 in)
79 mm (3.1 in)
Monthly rainy days
15 days
13 days
13 days
Weather conditions

Katowice

In September Katowice generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
26°C (79°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
188 hours
129 hours
103 hours
Monthly rainfall
76 mm (3 in)
78 mm (3.1 in)
60 mm (2.4 in)
Monthly rainy days
14 days
13 days
13 days
Weather conditions

Bielsko-Biala

In September Bielsko-Biala generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
14°C (57°F)
Min temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
204 hours
150 hours
119 hours
Monthly rainfall
104 mm (4.1 in)
103 mm (4.1 in)
77 mm (3 in)
Monthly rainy days
14 days
13 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Silesia, in Poland.

Popular cities in September

Day & night temperatures, rainfall and average weather in Silesia in September.

City Weather Day temp Night temp Rainfall
Wisła 19°C (66°F) 9°C (48°F) 106 mm (4.2 in)
Szczyrk 19°C (66°F) 9°C (48°F) 109 mm (4.3 in)
Ustroń 19°C (66°F) 9°C (48°F) 104 mm (4.1 in)
Katowice 20°C (68°F) 10°C (50°F) 78 mm (3.1 in)
Bielsko-Biala 19°C (66°F) 9°C (48°F) 103 mm (4.1 in)
Częstochowa 20°C (68°F) 10°C (50°F) 72 mm (2.8 in)

Silesia weather in September: frequently asked questions

What is the weather like in Silesia, Poland in September?

Expect tolerable weather across Silesia, Poland in September. The popular destination of Wisła averages 19°C (66°F) by day and 9°C (48°F) at night during this month.

What is the average temperature in Silesia, Poland in September?

Daytime temperatures in Wisła peak at roughly 19°C (66°F) in September, dropping to about 9°C (48°F) overnight.

Does Silesia, Poland get a lot of rain in September?

Silesia, Poland sees substantial rainfall in September. Wisła typically averages about 106 mm (4.2 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Silesia, Poland?

In our opinion, September is a good time to visit Silesia, Poland with overall tolerable weather in Wisła.

On average, the best time to visit Silesia, Poland is in June, July and August with generally pleasant weather in Wisła. On the other hand, the weather in January, February, March, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Silesia.

Weather and climate has detailed information for every country in the world. Are you going to Poland? Get detailed historical weather averages for many cities in Poland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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