Last updated: August 27, 2025
September in Katowice, Poland brings a diverse weather experience characterized by a maximum temperature soaring to 32°C (89°F) and a soothing average of 15°C (60°F). The month starts to cool down, with minimum temperatures dipping to 1°C (35°F), making it a transitional period between summer and autumn. Expect moderate precipitation, with 96 mm (3.8 in) falling over approximately 11 days, contributing to the region’s lush greenery. With an average humidity level of 72%, visitors will feel a comfortable yet slightly moist atmosphere, perfect for exploring the city's vibrant culture while enjoying the beauty of changing seasons.
As September rolls into Katowice, Poland, the temperatures begin to shift notably from the lingering warmth of summer. With minimums dipping to 1°C (35°F) and averages settling at a comfortable 15°C (60°F), this month marks a transition toward cooler days. The afternoons can still feel quite warm, boasting a maximum of 32°C (89°F), reminiscent of late summer sun. This range creates a delightful environment where the crispness of autumn mingles with the remnants of summer heat, making it an ideal time for outdoor activities and enjoying the vibrant fall foliage. With such variance in temperatures, September can be quite captivating, as the city gradually embraces the seasonal changes ahead.
September in Katowice sees a notable shift in precipitation patterns, with an average rainfall of 96 mm (3.8 in) spread over 11 days. This places September among the wetter months of the year, just behind the peak of August with its 101 mm (4.0 in). As summer's vibrancy fades, the rainfall begins to taper, yet September still holds its own with substantial moisture, contributing to the vibrant hues of autumn. This trend indicates a gradual transition towards the drier months ahead, with October markedly decreasing to 73 mm (2.9 in). Overall, September's precipitation not only sustains the lush landscapes but also paves the way for the cooler, crisper days of fall.
As summer transitions into autumn in Katowice, Poland, September experiences a moderate humidity level of 72%, which reflects a notable shift from the drier months of May through August. This rise in humidity sets the stage for the forthcoming wetter months of October and November, where levels drastically increase to 83% and 90%, respectively. Over the year, humidity peaks in the winter months, with January and December showing high moisture levels around 90% and 92%. The overall trend indicates that while September retains a sense of summer's warmth, the air becomes increasingly saturated, hinting at the approaching chill of autumn as autumn is just around the corner.
In September, Katowice experiences a high UV Index of 6, indicating that while the summer's peak intensity is fading, caution is still necessary for sun exposure. With a burn time of just 25 minutes, this month marks a transition, as the days begin to shorten and the atmosphere cools. Trending from June and July's very high levels, the drop is significant, yet it remains essential for residents to remain vigilant. As autumn approaches, the UV Index decreases, following the summer highs, but it’s wise to protect your skin while enjoying the last warm days of the year. For detailed insights on UV levels throughout the year, check out Katowice UV Index.
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In Katowice, Poland, September gracefully transitions the summer into autumn, boasting 306 hours of sunshine—a robust continuation of the bright days that peaked in July with 423 hours. As the warmth of summer gradually yields to the cooler embrace of fall, sunshine hours dip but remain significant, outpacing the earlier months of the year. The trend reveals a steady increase in daylight from the depths of winter, starting with a mere 130 hours in January and culminating in a vibrant summer. While September's sunshine does decline from the month prior, it still offers a generous dose of light before October brings a further reduction to 260 hours. This gentle shift marks the start of cozy sweater weather, encouraging outdoor enjoyment while basking in the lingering warmth of the sun.
In September, Katowice experiences a noticeable increase in sunshine, with a 40% chance of sunny weather. This marks an improvement compared to the earlier summer months, such as July and August, which see a decline in sun exposure at 37% and 32%, respectively. As the city transitions into autumn, September stands out as a month where residents can still enjoy pleasant weather before the clouds begin to settle in, highlighted by a slight uptick in sunny days compared to the previous months of May and June. This makes September a delightful time for outdoor activities, as the warmth of summer lingers just a bit longer.
As summer wanes, September in Katowice, Poland, marks a gentle transition into autumn with a daylight duration of 12 hours. This month sees a notable decrease from the sunnier peak of 16 hours enjoyed in June, yet it remains a brief respite before shorter days set in. The lingering warmth of summer slowly gives way to the crispness of fall, with daylight gradually dwindling from 15 hours in July and 14 hours in August. This gradual decline is a prelude to the more marked reductions in October and November, which bring the daylight experience back down to 10 and 8 hours, respectively. The shift in daylight not only affects the scenery but also evokes a change in mood, inviting a cozy embrace of the approaching autumnal season.
In September, the winds in Katowice begin to stir with a gentle average speed of 3.1 m/s (7 mph), slightly picking up from the calmer summer months. This shift marks a transition as the city gears up for autumn, moving away from the quiet breezes of July and August, which hovered around 2.6 m/s. The trend toward increased wind speeds in September suggests a refreshing change, preparing the landscape for the vibrant colors of fall. As October approaches, the winds are forecasted to return to a brisker pace of 3.7 m/s, hinting at the invigorating autumn air that defines this time of year.
Weather in Katowice varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Katowice, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather is characterized by a wide temperature range, with minimums around 1°C (35°F) and maximums reaching up to 32°C (89°F), resulting in an average of 15°C (60°F). This month also experiences significant rainfall, totaling 96 mm (3.8 in) over about 11 days, accompanied by a moderate humidity level of 72%. In contrast, January brings a starkly different climate, with much colder temperatures that range from a minimum of -25°C (-13°F) to a maximum of 11°C (53°F), averaging around -1°C (31°F). The precipitation for January is considerably lower at 41 mm (1.6 in) over the same number of days, but the humidity rises to 90%. For more detailed information, you can check out Katowice weather in January.
Comparing the weather in September and February reveals stark contrasts in temperature and conditions. September boasts a wide temperature range with minimums of 1°C (35°F) and maximums reaching up to 32°C (89°F), resulting in an average of 15°C (60°F). The month also sees 96 mm (3.8 in) of precipitation over 11 days, with humidity levels around 72%. In stark contrast, February experiences much colder temperatures, with minimums dropping to -14°C (8°F) and an average of just 1°C (35°F). Precipitation is lower at 56 mm (2.2 in), occurring over 13 days, but the humidity is higher at 88%. For more detailed information on February weather, you can visit Katowice weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a chilly 1°C (35°F) to a warm 32°C (89°F), with an average of 15°C (60°F). The month experiences higher precipitation levels, totaling 96 mm (3.8 in) over about 11 days and has a relatively moderate humidity of 72%. In contrast, March offers a cooler climate, with temperatures dropping as low as -14°C (8°F) and peaking at 21°C (70°F), averaging around 4°C (40°F). Although it has lower total precipitation at 48 mm (1.9 in) across 12 days, March is characterized by higher humidity levels of 86%. For a more detailed look at the weather during March, you can visit Katowice weather in March.
In comparing the weather of September and April, we notice notable differences in temperature and precipitation. September experiences a broader temperature range, with minimums of 1°C (35°F) and maximums reaching 32°C (89°F), averaging around 15°C (60°F). In contrast, April tends to be cooler, with minimum temperatures dropping to -7°C (20°F) and maximums reaching 28°C (82°F), averaging at 9°C (49°F). Precipitation is also more pronounced in September, with 96 mm (3.8 in) over 11 days, compared to April's 57 mm (2.2 in) over 10 days. Additionally, humidity levels are slightly higher in April at 79%, compared to 72% in September. For more details on April conditions, you can check Katowice weather in April.
When comparing the weather in September and May, distinct differences emerge in temperature and precipitation patterns. September typically enjoys milder temperatures, with an average of 15°C (60°F) and a maximum reaching up to 32°C (89°F). In contrast, May's average temperature is slightly lower at 14°C (57°F), with a maximum of 29°C (85°F). While September experiences 96 mm (3.8 in) of rainfall over approximately 11 days, May sees a similar amount of precipitation at 91 mm (3.6 in) but spread over more days—about 16. Additionally, the humidity in September is higher at 72%, compared to May's 65%. For more detailed insights into May weather, you can check Katowice weather in May.
In September, temperatures can vary significantly, with a minimum of 1°C (35°F) and an average of 15°C (60°F), reaching a maximum of 32°C (89°F). The month experiences approximately 96 mm (3.8 in) of precipitation over 11 days, along with relatively high humidity levels of 72%. In contrast, June typically presents more moderate conditions, with minimum temperatures around 6°C (44°F), an average of 19°C (67°F), and a slightly higher maximum of 33°C (92°F). June receives a bit less precipitation at 82 mm (3.2 in) over 12 days, and the humidity is slightly lower at 66%. For more detailed insights, check out Katowice weather in June.
In September, the weather starts to cool down compared to the peak summer month of July. While July boasts higher temperatures with a minimum of 8°C (46°F) and an average of 20°C (68°F) reaching up to 37°C (98°F), September's temperatures range from a chilly minimum of 1°C (35°F) to a more moderate average of 15°C (60°F), with highs peaking at 32°C (89°F). Precipitation in September is slightly higher at 96 mm (3.8 in) over 11 days, compared to July's 84 mm (3.3 in) over 14 days. Additionally, the humidity is marginally higher in September at 72%, versus July's 67%. For further details on July weather specifically, you can refer to Katowice weather in July.
In comparing the weather of September and August, September experiences a notable drop in minimum temperatures, ranging from a chilly 1°C (35°F) to a warm average of 15°C (60°F), while August maintains a milder minimum of 7°C (46°F) and a higher average of 20°C (68°F). The maximum temperatures in both months are similar, peaking at 32°C (89°F) in September and slightly higher at 34°C (94°F) in August. Interestingly, September sees slightly less precipitation at 96 mm (3.8 in) over 11 days compared to August's 101 mm (4.0 in) over 14 days. Additionally, September boasts higher humidity levels at 72%, compared to August's 67%. For a more detailed look at the weather in August, check out Katowice weather in August.
September weather typically presents a broader temperature range, with minimums of 1°C (35°F), average highs around 15°C (60°F), and maximums soaring up to 32°C (89°F). This month experiences moderate precipitation, totaling 96 mm (3.8 in) over 11 days, coupled with a relative humidity of 72%. In contrast, October brings cooler temperatures, with minimums dipping to -2°C (29°F) and an average temperature of 11°C (52°F), peaking at 25°C (77°F). Precipitation decreases to 73 mm (2.9 in) over the same number of days, while humidity rises slightly to 83%. For a more detailed look at October weather, visit Katowice weather in October.
In September, temperatures can vary significantly, ranging from a chilly 1°C (35°F) at night to a warm 32°C (89°F) during the day, with an average of 15°C (60°F). The month sees a relatively high level of precipitation at 96 mm (3.8 in) over approximately 11 days, accompanied by a humidity level of 72%. In contrast, November brings cooler weather, with temperatures dropping to a minimum of -7°C (19°F) and an average of just 6°C (43°F). The maximum temperature reaches 20°C (68°F), and total precipitation decreases to 46 mm (1.8 in) over about 10 days, while humidity rises to 90%. For more detailed information on November weather, you can visit Katowice weather in November.
In September, the weather is generally warmer, with average temperatures reaching around 15°C (60°F) and maximums peaking at 32°C (89°F), while the minimum temperature stays at a mild 1°C (35°F). The month experiences relatively high precipitation, totaling 96 mm (3.8 in) over 11 days, accompanied by a humidity level of 72%. In contrast, December brings a significant drop in temperatures, with a chilly average of 2°C (35°F) and maximums of just 15°C (59°F). The minimum can dip to -11°C (12°F). December sees less precipitation at 60 mm (2.4 in) over 13 days, though humidity rises to 92%. For more detailed insights, you can refer to Katowice weather in December.
September in Katowice marks a transition into cooler autumn days, showcasing a delightful blend of warm and crisp temperatures. Unlike the sweltering heat of summer, the average temperatures hover around a comfortable 15°C (60°F), while maximums can still soar to 32°C (89°F) on warmer days. This month also brings increased rainfall with 11 days of precipitation and an average total of 96 mm (3.8 in), contributing to the lush landscapes of the region. The humidity level at 72% adds to the rich and refreshing atmosphere, making September a unique time to experience Katowice's evolving climate. For a deeper dive into the weather patterns throughout the year, explore our comprehensive guide on Katowice Climate.