Rzeszów Weather in September
Rzeszów in September averages 20°C (68°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Rzeszów in September
Records from the past 30 years suggest around 12 days of rain, with 85 mm (3.3 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Rzeszów in September
September is a excellent month in Rzeszów, with 20°C (68°F) during the day and 10°C (50°F) at night. The difference between afternoon and evening temperatures is usually noticeable. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Rzeszów.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Rzeszów's climate page.
Rzeszów Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
41%
Precipitation
85 mm (3.3 in)
Rainy days
12 days
Humidity
63% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rzeszów typically drop from around 21°C (70°F) at the start of September to approximately 16°C (61°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 for Rzeszów in September
Browse day-by-day weather records for Rzeszów spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rzeszów historical weather extremes in September
Our historical data for Rzeszów spans 1976 to 2025, revealing these weather extremes.
- Rzeszów recorded its highest September temperature of 31°C (88°F) on September 7, 2008.
- Rzeszów experienced its chilliest September day on September 30, 2010, reaching only 7°C (45°F).
- Rzeszów registered its coldest September night on September 30, 2018, with temperatures dropping to -2°C (28°F).
- The wettest day in September Rzeszów was on September 17, 2021 with 42 mm (1.7 in) of precipitation.
Best Places in Poland in September
Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in September →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Rzeszów in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Rzeszów in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Rzeszów's climate page.
See the full Rzeszów climate overview or explore weather in Poland.
