Last updated: August 27, 2025
September in Rzeszów, Poland, offers a delightful transition into autumn with maximum temperatures reaching up to 30°C (86°F), while the average temperature settles comfortably at 15°C (59°F). Evenings can be brisk, with minimum temperatures dropping to 1°C (34°F). This month sees significant precipitation, totaling 87 mm (3.4 in) over approximately 12 days, contributing to a humidity level of 69% that enhances the rich, vibrant colors of the surrounding landscape. Whether you're enjoying the warmth of early autumn or preparing for cooler nights, Rzeszów in September provides a unique and charming experience.
In Rzeszów, Poland, September heralds the arrival of early autumn, bringing a noticeable shift in temperatures. With a minimum of 1°C (34°F) and an average of 15°C (59°F), days gradually transition from the lingering warmth of summer to cooler, crisper air. The maximum temperature reaches a comfortable 30°C (86°F), allowing for pleasant outdoor activities before the chill of October sets in. This month serves as a reminder of nature's cyclical beauty, showcasing the last vibrant days of warmth while hinting at the colder months ahead. As the leaves begin to change, September in Rzeszów invites both locals and visitors to enjoy the season’s charming transformation.
In September, Rzeszow experiences a notable shift in precipitation, with a total of 87 mm (3.4 in) recorded over 12 days. This amount places September as one of the wetter months, trailing only behind the summer peak, particularly July with its impressive 112 mm (4.4 in). The steady rainfall seen during this month suggests a transitional period, as the city moves from the warmer summer months into the cooler embrace of autumn. Interestingly, the precipitation levels in September are slightly lower than August's 89 mm (3.5 in), yet they still reflect the region's significant rainfall pattern throughout the late summer and early autumn. This consistent precipitation trend highlights Rzeszow's climate as both vibrant and variable, ensuring a lush landscape as the seasons change.
In September, Rzeszow experiences a noticeable shift, with humidity levels rising to 69%. This figure mirrors the drier months of May and June, suggesting a return to a more humid atmosphere as autumn approaches. The trend through the year reveals a gradual decrease in humidity from the winter months, where levels hover around 91% in January, to the summer’s lowest point of 59% in August. As the year progresses, humidity climbs again, with October expected to average around 85%. This seasonal ebb and flow highlights Rzeszow's transition from the warm summer air towards the more moisture-rich conditions of fall, creating a dynamic weather pattern that characterizes life in this picturesque Polish city.
As September rolls around in Rzeszow, Poland, residents can expect a UV Index of 6, categorized as high, with a burn time of around 25 minutes. This marks a slight decrease from the peak summer months of June and July, where the UV Index reached its highest at 8. However, September still maintains a strong exposure level, indicating that while the summer sun's intensity dwindles, it's essential to remain vigilant about sun protection. After months of elevated UV levels, this month reminds us to enjoy the outdoors responsibly. For more detailed information, visit Rzeszow UV Index.
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September in Rzeszów, Poland, continues the vibrant trend of summer sunlight, boasting 304 hours of golden rays. Although this marks a decline from the sun-soaked peaks of July and August, the month still shines brightly compared to the chillier autumn months ahead, with only October expected to deliver 256 hours. The overall trajectory from January's modest 139 hours to the summer's peak highlights a significant seasonal shift, making September a delightful transition into fall. As warmer days give way to cooler evenings, residents can relish the lingering warmth, beautifully illuminated by the sun's embrace.
September in Rzeszów, Poland, offers a modest chance of sunny weather, with approximately 34% likelihood of sunshine. This figure mirrors August, suggesting a gradual transition as summer wanes into fall. While the sunshine probability doesn’t spike dramatically during this month, it remains higher than the early months of the year. Notably, the trend indicates an improvement in sun chances as we move from the dreariness of winter towards the brighter autumn months, culminating in a significant 51% chance by October. As the days grow shorter and cooler, September stands as a bridge, holding onto a sliver of summer sunshine before embracing the crispness of fall.
As summer gently transitions into autumn, September in Rzeszów, Poland, offers a delightful balance of daylight with approximately 12 hours of sun. While this marks a noticeable decline from the sun-drenched days of June and July, it still surpasses the shorter days of early spring and winter. This transitional month reflects the slowing descent into darker seasons, showcasing a steady decrease from the peak daylight of 16 hours in June to the more modest 10 hours anticipated in October. The gradual reduction in daylight hours not only signals the changing seasons but also invites a cozy atmosphere as the vibrant colors of fall begin to emerge.
As September arrives in Rzeszów, Poland, the average wind speed tends to pick up slightly, reaching about 3.2 m/s (7 mph). This gentle increase marks a transition from the tranquil summer months, where winds averaged around 2.6 to 2.9 m/s. In this early autumn month, the wind begins to carry a hint of the changing seasons, contrasting with the calmness of July and August. Looking ahead, the wind speed will once again rise in October, returning to a more brisk 4.0 m/s (9 mph), suggesting that Rzeszów's winds are preparing to usher in the chill of winter. Thus, September offers a brief yet refreshing breeze, highlighting the subtle shift in weather patterns that accompany the autumn equinox.
Weather in Rzeszow varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rzeszow, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Rzeszów is relatively mild, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (86°F) and an average of 15°C (59°F). The month experiences significant precipitation, totaling 87 mm (3.4 in) over about 12 days, while humidity levels sit at a comfortable 69%. In contrast, January brings a stark change, with much colder temperatures that range from a chilling minimum of -23°C (-8°F) to a maximum of 10°C (49°F), averaging around -1°C (30°F). Precipitation decreases to 44 mm (1.7 in) spread over 11 days, but humidity rises to a much higher 91%. For more details on January weather, you can check out Rzeszow weather in January.
September and February present stark contrasts in weather. September sees a wide range of temperatures, with minimums around 1°C (34°F), averaging 15°C (59°F), and maximums peaking at 30°C (86°F). The month also experiences a moderate amount of precipitation at 87 mm (3.4 in) over 12 days, accompanied by a humidity level of 69%. In contrast, February brings much colder conditions, with minimum temperatures plunging to -19°C (-1°F) and an average of just 1°C (34°F). Maximum temperatures only reach 15°C (59°F), while precipitation is lighter at 61 mm (2.4 in) across 13 days, but humidity increases to 88%. For a more detailed look at February weather patterns, check out this link: Rzeszow weather in February.
September and March present notably different weather conditions. In September, temperatures range from a mild 1°C (34°F) at night to a warm 30°C (86°F) during the day, with an average temperature of 15°C (59°F). This month experiences 87 mm (3.4 in) of precipitation over about 12 days, with a humidity level of 69%. In contrast, March is much colder, with temperatures ranging from a frigid -22°C (-7°F) to a milder 20°C (69°F), averaging just 4°C (39°F). Additionally, March sees lower precipitation at 48 mm (1.9 in) over 11 days, but the humidity is higher at 86%. For a detailed look at the weather conditions during this month, you can visit Rzeszow weather in March.
In comparing the weather between September and April, there are notable differences in temperature and humidity. September tends to be warmer, with an average temperature of 15°C (59°F) and maximums reaching up to 30°C (86°F), while April has a cooler average of 9°C (49°F) with maximums around 27°C (80°F). Additionally, September experiences more precipitation, totaling 87 mm (3.4 in) over 12 days, compared to April's 56 mm (2.2 in) over 9 days. Humidity is slightly higher in April, averaging 77%, compared to September's 69%. For more details on April weather, you can visit Rzeszow weather in April.
In comparing the weather of September and May, both months exhibit similar humidity levels at 69%, contributing to a comfortable atmosphere. However, September tends to be warmer with average temperatures around 15°C (59°F) and maximums reaching 30°C (86°F), while May's average temperature is slightly lower at 14°C (57°F), with highs up to 29°C (84°F). Additionally, May experiences more precipitation, totaling 109 mm (4.3 in) over 17 days compared to September's 87 mm (3.4 in) across 12 days. For a more detailed look at May's weather, you can visit Rzeszow weather in May.
When comparing the weather in September and June, it's clear that both months present mild temperatures, but with notable differences. In September, the temperatures range from a minimum of 1°C (34°F) to a maximum of 30°C (86°F), averaging around 15°C (59°F). Conversely, June boasts warmer temperatures, with a minimum of 5°C (41°F) and a peak of 35°C (95°F), averaging 19°C (67°F). Both months experience similar levels of precipitation—September at 87 mm over 12 days and June slightly higher at 91 mm over 15 days—indicating that both are relatively wet, yet June is marked by higher maximum temperatures. For more detailed information about June weather, check out Rzeszow weather in June.
When comparing the weather in September to that of July, several notable differences emerge. September experiences a wider temperature range, with a minimum of 1°C (34°F) and a maximum of 30°C (86°F), leading to an average of 15°C (59°F). In contrast, July is generally warmer, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 35°C (95°F), resulting in an average temperature of 20°C (68°F). Additionally, September sees slightly less precipitation at 87 mm (3.4 in) over 12 days compared to July's 112 mm (4.4 in) over 17 days. Interestingly, while September has a higher humidity level of 69%, July's humidity is relatively lower at 63%. For a more detailed look at July's weather, you can check out Rzeszow weather in July.
In September, the weather begins to cool down significantly compared to August. While August experiences a minimum temperature of 8°C (46°F) and an average of 20°C (68°F), September sees a drop to a minimum of just 1°C (34°F) and an average of 15°C (59°F). The maximum temperatures also decline slightly, with September reaching a high of 30°C (86°F) compared to August's peak of 35°C (95°F). Both months have similar precipitation levels, with September recording 87 mm (3.4 in) over 12 days, slightly less than August's 89 mm (3.5 in) over 13 days. Notably, September features increased humidity at 69%, compared to August's 59%. For a detailed look at August weather, you can visit Rzeszow weather in August.
September and October exhibit notable differences in weather patterns. September sees a wider temperature range, with minimums dipping to 1°C (34°F) and maximums reaching up to 30°C (86°F), while October's temperatures are generally cooler, featuring minimums around -2°C (29°F) and maximums of 23°C (74°F). Precipitation is relatively similar, with September receiving 87 mm (3.4 in) over 12 days and October slightly lower at 77 mm (3.0 in) across 11 days. Humidity rises in October to 85%, compared to 69% in September, contributing to a more overcast and damp atmosphere. For more detailed information, you can check Rzeszow weather in October.
In September, the weather is characterized by warmer temperatures, with a minimum of 1°C (34°F) and an average of 15°C (59°F), peaking at a pleasant 30°C (86°F). The month sees about 87 mm (3.4 in) of precipitation over approximately 12 days, alongside a humidity level of 69%. In contrast, November brings a sharper decline in temperatures, with lows dropping to -7°C (19°F) and an average of 6°C (43°F). The maximum temperature of 20°C (68°F) reflects a significant cooling trend, and November experiences less precipitation at 53 mm (2.1 in) across about 10 days, alongside an increase in humidity to 90%. For more detailed information on November weather, you can visit Rzeszow weather in November.
September and December present stark contrasts in weather. In September, temperatures can range from a mild minimum of 1°C (34°F) to a warm maximum of 30°C (86°F), with an average around 15°C (59°F). The month experiences average precipitation of 87 mm (3.4 in) over 12 days, accompanied by a relatively comfortable humidity level of 69%. In contrast, December brings much colder temperatures, with a minimum of -16°C (3°F) and a maximum of only 13°C (56°F), leading to an average temperature of just 1°C (35°F). While precipitation drops to 66 mm (2.6 in) spread over 14 days, humidity levels rise significantly to 91%, making it feel chillier. For more details on December weather specifics, check out Rzeszow weather in December.
As summer gradually fades, September in Rzeszow presents a delightful blend of warmth and cooling breezes. The temperatures begin to drop from the summer highs, offering a refreshing average of 15°C while still flirting with warmer days that can reach up to 30°C. While the humidity hovers around a comfortable 69%, a bit of rain is not uncommon, with 12 days experiencing precipitation throughout the month. This transitional period marks a shift from the heat of summer to the crispness of autumn, making September a unique time to experience Rzeszow's evolving landscape. For a deeper insight into what to expect throughout the year, explore the details in Rzeszow Climate.