Last updated: August 27, 2025
In Kielce, Poland, September welcomes a delightful transition as summer gives way to autumn. With maximum temperatures reaching 31°C (88°F), the month still boasts warm days, tempered by an average of 15°C (59°F). However, early autumn can surprise, plunging to a brisk 0°C (33°F) at night. This month also sees a significant precipitation total of 84 mm (3.3 in), spread over 12 days, contributing to a humidity level of 68% that envelops the region. Overall, September in Kielce presents a captivating blend of warmth and refreshing rain, making it a unique time to experience the vibrant local landscape.
As September rolls into Kielce, Poland, the temperatures begin to shift noticeably from the sweltering heat of summer. With average temperatures hovering around 15°C (59°F), residents experience a welcome respite from the intense heat, and the nights become cooler with minimums dropping to 0°C (33°F). Daytime highs can still reach a warm 31°C (88°F), offering plenty of opportunities for outdoor activities before autumn fully sets in. This transitional month marks a shift, with temperatures steadily declining towards the cooler autumn months ahead, inviting a change in wardrobe and lifestyle, as the vibrant colors of fall start to emerge.
September in Kielce, Poland, brings a notable shift in precipitation patterns as the summer months wane. With 84 mm (3.3 in) of rain falling over 12 days, it strikes a balance between the wetter summer months and the drier autumn ahead. This amount is a slight drop from August's peak of 101 mm (4.0 in), yet it remains substantial, reflecting the transitional nature of the season. Averages from the year indicate consistent rainfall, especially in the summer, but September’s precipitation marks a vital shift, hinting at the approaching autumn while maintaining the rhythm of seasonal showers. As the days grow shorter and the air crisper, the landscape transforms, making September a pivotal month in Kielce's climatic timeline.
As summer transitions to autumn, September in Kielce, Poland, experiences a notable shift in humidity. After months of relatively low humidity, hovering around 55-56% from June to August, September sees an increase to 68%. This spike indicates the onset of moisture-rich weather as the warm season gives way to cooler temperatures. While still lower than the winter months, where humidity levels soar to 91% in January and December, September's humidity lays the groundwork for the dampness to come in the following months. The trend clearly illustrates how Kielce's humid climate ebbs and flows, reflecting the seasonal dance between warmth and chill.
As September arrives in Kielce, Poland, residents can expect the UV Index to be moderately high, registering at 6. This marks a gradual decrease from the intense summer months of June and July, where the index peaked at 8. With burn times of approximately 25 minutes, it's essential to remain cautious, especially for those planning outdoor activities. As the season transitions towards autumn, the UV exposure becomes more manageable but still requires attention to sun safety. For those interested in detailed UV trends throughout the year, check out the complete data at Kielce UV Index.
UV Risk Categories
As summer gracefully gives way to autumn, September in Kielce, Poland, offers a delightful blend of warmth and transition, with 295 hours of sunshine illuminating the month. Following the peak of 412 sunshine hours in July, September marks a gentle decline, yet still boasts more sunlight than many earlier months, maintaining the vibrancy that summer brought. This transitional period showcases nature's beauty, with many sunny days perfect for outdoor activities, while evenings gradually cool, hinting at the upcoming October chill. The overall trend reveals a slow descent into shorter days, yet September remains a charming chapter in Kielce's sunlit saga, bridging the joy of summer with the breathtaking colors of autumn.
In September, Kielce, Poland, experiences a moderate 37% chance of sunny weather, positioning it similarly to April and slightly higher than the preceding summer months. This period marks a transition from the peak sunshine of June to the cooler, cloudier days of autumn. Interestingly, while the likelihood of sun dips after the vibrant summer, September maintains a favorable potential for clear skies, making it a pleasant time to enjoy the last warm days before winter sets in. As the year progresses, many regions, including Kielce, experience an overall trend toward more cloud cover, but September holds onto a promising glimpse of summer's lingering warmth.
In Kielce, Poland, September marks a notable transition in daylight duration, with the sun illuminating the city for about 12 hours each day. This reflects a gradual decrease from the sun-drenched peak of 16 hours in June, signaling the onset of autumn. As the days grow shorter, sunlight gently wanes, dipping to 15 hours in July and 14 hours in August before settling into September's embrace. Following this month, October will bring even less daylight, descending to 10 hours and echoing the shorter days of winter ahead. This rhythm of changing light not only signifies the shifting seasons but also enhances the natural beauty of Kielce, inviting residents and visitors alike to savor the crisp September air and the rich hues of fall.
As September arrives in Kielce, Poland, the wind picks up to an average speed of 3.5 m/s (8 mph), echoing the more moderate breezes of early spring and late autumn. This transitional month maintains a familiar rhythm, reminiscent of the summer's gentle winds, which hovered around 3.0 to 3.1 m/s. Interestingly, September marks a slight uptick compared to the drowsy summer months, indicating a shift towards the energizing gusts of fall. The wind speeds in Kielce tend to escalate as the year progresses, with October and November showcasing stronger currents averaging 3.8 m/s and 4.0 m/s, respectively. Thus, September serves as a bridge, heralding the invigorating winds ahead while still holding onto the warmth of summer’s tail.
Weather in Kielce varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kielce, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is notably warmer, with temperatures ranging from a refreshing 0°C (33°F) at night to a warm 31°C (88°F) during the day, yielding an average of 15°C (59°F). This month experiences 84 mm (3.3 inches) of precipitation over 12 days, accompanied by a relative humidity of 68%. In contrast, January brings a sharp drop in temperatures, with lows plunging to -24°C (-10°F) and highs only reaching 10°C (51°F), resulting in an average temperature of -1°C (30°F). Precipitation is lower in January, with 37 mm (1.5 inches) falling over 10 days, along with increased humidity at 91%. For a more detailed look at the winter weather, visit Kielce weather in January.
September and February exhibit stark contrasts in weather conditions. September features a wider temperature range, with minimums around 0°C (33°F) and maximums reaching up to 31°C (88°F), averaging at a comfortable 15°C (59°F). The month also sees moderate precipitation, with about 84 mm (3.3 in) falling over approximately 12 days and humidity at 68%. In contrast, February experiences much colder temperatures, with minimums plummeting to -16°C (4°F) and maximums capping at 18°C (64°F), resulting in a chilly average of 0°C (33°F). Precipitation is lower in February, totaling 46 mm (1.8 in) across 10 days, and humidity rises to a steamy 89%. For more details, check out Kielce weather in February.
In comparing the weather between September and March, we see notable differences in temperature and precipitation. September experiences a wider temperature range, with a minimum of 0°C (33°F) and a maximum reaching up to 31°C (88°F), while March has a colder climate with temperatures ranging from -16°C (4°F) to 20°C (69°F). Additionally, September is characterized by more precipitation, totaling 84 mm (3.3 in) over 12 days, compared to March, which sees 40 mm (1.6 in) over just 10 days. Humidity is also higher in March at 86%, compared to September's 68%. For more detailed information about March weather, you can check Kielce weather in March.
When comparing the weather in September and April, several notable differences emerge. September typically offers a broader temperature range, with average highs reaching up to 31°C (88°F) compared to April's maximum of 27°C (81°F). However, April experiences chillier nights with a minimum of -6°C (21°F) versus September's low of 0°C (33°F). Rainfall is more abundant in September, with 84 mm (3.3 in) of precipitation over an average of 12 days, while April sees less at 58 mm (2.3 in) over 11 days. Additionally, April tends to have higher humidity levels at 76% compared to September's 68%. For more detailed information on April weather conditions, you can visit Kielce weather in April.
In comparing the weather between September and May, we observe that September features a slightly wider temperature range, with average temperatures around 15°C (59°F) and maximums reaching up to 31°C (88°F). In contrast, May's average is a bit cooler at 13°C (56°F) and has a maximum of 30°C (85°F). Precipitation is fairly similar, with September receiving 84 mm over 12 days, while May has a bit more rain at 90 mm over 14 days. Interestingly, the humidity levels are higher in September at 68%, compared to May's 58%. For more detailed information, you can check Kielce weather in May.
In June, the weather features a range of temperatures that starts at a minimum of 5°C (42°F) and peaks at 34°C (93°F), with an average temperature of 19°C (67°F). This month experiences relatively lower humidity at 56%, contributing to a more comfortable environment despite precipitation occurring on about 13 days, totaling 72 mm (2.8 in). In contrast, September displays a broader temperature range, with minimums dropping to 0°C (33°F) and maximums reaching 31°C (88°F), while the average temperature settles at 15°C (59°F). Although September has slightly higher humidity at 68% and more frequent rain, with 84 mm (3.3 in) of precipitation over 12 days, the milder temperatures create a distinct transition from summer warmth to the cooler days of fall. For further details, check Kielce weather in June.
In comparing the weather between September and July, there are notable differences in temperature and humidity. September experiences a broader temperature range, with minimums dropping to 0°C (33°F) and maximums reaching up to 31°C (88°F), while the average temperature is around 15°C (59°F). In contrast, July is warmer overall, boasting a minimum of 8°C (47°F) and maximums soaring to 36°C (97°F), with an average temperature of 20°C (68°F). Additionally, July has lower humidity at 56%, compared to September's 68%, creating a more comfortable atmosphere during the peak of summer. Precipitation is slightly higher in July, with 93 mm (3.7 in) falling over 14 days, compared to September's 84 mm (3.3 in) over 12 days. For more details, check out Kielce weather in July.
In comparing the weather of September and August, we see a transition from warmer summer temperatures to the cooler beginnings of autumn. August boasts a higher average temperature of 20°C (68°F) with maximums reaching up to 36°C (97°F), while September sees a drop to an average of 15°C (59°F), with maximums capped at 31°C (88°F). Additionally, August experiences higher overall humidity at 55% compared to September's 68%, suggesting that September might feel more damp despite its cooler temperatures. Precipitation is also slightly more in September, with 84 mm (3.3 in) over 12 days compared to August's 101 mm (4.0 in) on the same number of days. For a more detailed look at August weather specifics, visit Kielce weather in August.
In September, the weather in Kielce is generally warmer, with average temperatures ranging from a cool 15°C (59°F) to a high of 31°C (88°F). However, the month can be quite rainy, receiving 84 mm (3.3 in) of precipitation over 12 days, accompanied by a humidity level of 68%. In contrast, October brings a significant drop in temperatures, with a minimum of -3°C (27°F) and an average of only 10°C (50°F), though the maximum can still reach a pleasant 24°C (75°F). The month is slightly drier with 71 mm (2.8 in) of rain over 10 days, but humidity increases to 84%. For more detailed information, you can check Kielce weather in October.
In comparing the weather in September and November, a significant shift can be observed. September experiences a wider temperature range, with minimums around 0°C (33°F) and maximums reaching up to 31°C (88°F), resulting in an average temperature of 15°C (59°F). The month sees moderate precipitation of 84 mm (3.3 in) over 12 days, along with a humidity level of 68%.
In contrast, November enters with colder conditions, featuring minimum temperatures dropping to -7°C (19°F) and an average temperature of only 5°C (41°F). The maximum temperature is milder at 20°C (68°F). Although November has lower total precipitation at 39 mm (1.5 in) and fewer rainy days (10), it experiences higher humidity at 89%. This stark contrast highlights the transition from the warmth of early autumn to the chill of late fall. For more specifics on the weather conditions during this time, refer to Kielce weather in November.
September and December in Kielce present a striking contrast in weather conditions. In September, temperatures range from a cool 0°C (33°F) at night to a warm 31°C (88°F) during the day, with an average of 15°C (59°F). The month sees a moderate amount of precipitation at 84 mm (3.3 in) over 12 days, paired with a humidity level of 68%. In stark contrast, December is much colder, with temperatures dipping from a frigid -19°C (-2°F) at night to a maximum of 14°C (58°F), averaging just 1°C (34°F). Despite having less total precipitation at 50 mm (2.0 in) over the same number of days, December's humidity rises significantly to 91%, adding to the chill in the air. For more detailed information, you can refer to Kielce weather in December.
As summer gives way to fall, September in Kielce presents a delightful transition in weather, marked by mild temperatures and a gentle drop in humidity. With maximums touching 31°C and averages around 15°C, this month offers a pleasant escape from the heat while still allowing for warm days. However, the month also sees an increase in precipitation, with nearly half the month experiencing some rainfall, adding to the crispness in the air. This balance between sunny intervals and refreshing showers sets September apart from the sweltering summer months, making it one of the more enjoyable times to experience the charm of Kielce. To learn more about the city’s weather throughout the year, visit Kielce Climate.