Last updated: August 27, 2025
In September, Sandomierz, Poland, experiences a delightful transition into autumn, showcasing a diverse range of temperatures. Daily highs can reach a balmy 30°C (87°F), while nights cool down to a brisk 1°C (33°F), yielding an average of 15°C (59°F). The month is marked by 84 mm (3.3 in) of precipitation across 11 days, contributing to a rich and lush landscape. With humidity levels around 68%, visitors can expect a refreshing yet comfortable atmosphere, ideal for exploring this charming historical town.
In Sandomierz, Poland, September marks a delightful transition from the sultry summer days to the crisp embrace of autumn. With nighttime temperatures dropping to a cool 1°C (33°F), the days still bask in warmth, reaching an inviting average of 15°C (59°F) and peaking at 30°C (87°F). This significant swing illustrates the region's vibrant climate, as the remnants of summer linger while early autumn whispers in the air. As the month unfolds, residents and visitors alike can enjoy comfortable days perfect for outdoor exploration, before cozying up to the chilly evenings. The blend of mild days and refreshing nights captures the essence of September in Sandomierz, making it a perfect time to experience the area’s rich culture and stunning vistas.
In September, Sandomierz experiences a moderate precipitation level of 84 mm (3.3 in), falling evenly across 11 days. This marks a slight decrease from the rainfall of August, which reaches its peak at 105 mm (4.1 in), yet it maintains a robust amount compared to the earlier months of the year. Notably, the autumn transition brings a shift in the weather patterns, as September’s precipitation levels are among the higher figures seen throughout the summer months. This period serves as a reminder of the waning warmth while still allowing for refreshing showers that nourish the landscape. As the region shifts into fall, it’s evident that Sandomierz’s climate retains a rich tapestry of rainfall, setting the stage for the cooler months ahead.
In September, Sandomierz experiences a notable shift in humidity, with levels rising to 68% after the dry summer months. This increase signals a transition toward the wetter autumn season, following a relatively low of 55% in August. The gradual upward trend from the summer’s drier air is a precursor to October’s higher humidity of 84%. Overall, September acts as a bridge, moving from the comfortable, less humid days of summer into the more saturated conditions that will define the months ahead, as the city's climate subtly prepares for the deeper chill of winter.
In Sandomierz, Poland, the UV Index in September tends to reflect a transition from summer to autumn, registering a high level of 6, with a burn time of approximately 25 minutes. This marks a slight decrease from the peak summer months of June and July, which both saw very high UV levels of 8. While September maintains the high exposure category, outdoor enthusiasts should remain mindful of sun protection during this time, as the risk of skin damage still exists. The trend clearly indicates that while the intensity of UV radiation begins to wane, vigilant care against sun exposure remains essential. For more detailed insights, visit Sandomierz UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Sandomierz, Poland offers a delightful balance of sunny days, boasting 299 hours of bright skies. This month reflects the tail end of a significant upward trend in sunshine, peaking in the sun-drenched days of July and August with 420 and 387 hours, respectively. After the golden warmth of summer, September still retains ample sunlight, though it gently nudges toward shorter days with the onset of October, which sees a notable drop to 248 hours. This gradual decline underscores the seasonal shift, inviting residents and visitors alike to savor the lingering warmth and vibrant hues of early autumn in this picturesque town.
As September arrives in Sandomierz, Poland, the likelihood of sunny weather holds steady at 36%, reflecting a transition from the sunnier days of summer. After enjoying peaks in June with 52% sunshine and a decent 39% in July, the sun begins to take a backseat in August and September. Following the warm summer months, this drop shows a trend towards more variable weather as autumn approaches, yet still providing ample opportunities for enjoying the lingering warmth. With October seeing a notable rise to 50%, September serves as a bridge—offering a pleasant mix of sunlight and the crispness of early fall.
As summer fades and autumn approaches, September in Sandomierz, Poland, brings a gentle decline in daylight hours, averaging around 12 hours. This transition from the long, sun-drenched days of June and July, which peak at 16 hours, marks the beginning of a cooler season. Despite the gradual reduction of light, September retains a significant amount of daylight compared to the earlier months of the year, with a notable increase from 8 hours in January to this month’s more generous offering. As nature begins preparing for winter, residents and visitors can still enjoy the fading warmth and vibrant colors of the season, making September a uniquely picturesque time in Sandomierz.
As September arrives in Sandomierz, Poland, the wind starts to pick up slightly, with an average speed of 3.2 m/s (7 mph). This marks an increase from the summer's gently whispering breezes, which lingered around 2.6 m/s to 2.8 m/s (6 mph) in the warmer months. As autumn unfolds, a subtle transition is felt, setting the stage for more invigorating winds in the months ahead. Interestingly, the wind speed in September serves as a precursor to October's rise to 3.6 m/s (8 mph) and November's peak at 3.8 m/s (8 mph). This gradual increase hints at the changing seasons, where the air becomes crisper and more refreshing, inviting residents and visitors alike to embrace the beauty of autumn in this charming Polish town.
Weather in Sandomierz varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sandomierz, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). The month sees a moderate amount of precipitation, totaling 84 mm (3.3 inches) over about 11 days, with humidity levels hovering around 68%. In contrast, January experiences a much colder climate, with temperatures plummeting to a minimum of -19°C (-2°F) and peaking at 11°C (51°F), resulting in an average of -1°C (31°F). Precipitation is lighter, measuring 37 mm (1.5 inches) over 10 days, but humidity rises significantly to 91%. For those interested in the specifics of January weather, more information can be found at Sandomierz weather in January.
September and February present contrasting weather conditions. In September, temperatures fluctuate from a chilly 1°C (33°F) at night to a warm 30°C (87°F) during the day, with an average of 15°C (59°F), making it a month of transition and variability. The month receives about 84 mm (3.3 in) of precipitation over 11 days, coupled with a humidity level of 68%. In contrast, February is much colder, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 17°C (62°F), averaging just 1°C (34°F). This winter month experiences lower precipitation at 45 mm (1.8 in) across 10 days, but it has higher humidity levels at 89%. For a closer look at February weather specifics, check out Sandomierz weather in February.
September and March exhibit strikingly different weather patterns. In September, temperatures can range from a chilly 1°C (33°F) at night to a warm 30°C (87°F) during the day, with an average of 15°C (59°F). This month typically sees around 84 mm (3.3 in) of precipitation over 11 days, accompanied by a humidity level of 68%. In contrast, March presents a much colder climate, with minimum temperatures plunging to -15°C (5°F) and an average high of only 19°C (67°F). Although it averages a milder 4°C (39°F), it sees considerably less rainfall, around 38 mm (1.5 in) over the same number of days, with a higher humidity level of 86%. For more specifics about the weather in March, you can visit Sandomierz weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and humidity. September boasts an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F), making it generally warmer than April, which has a lower average of 9°C (49°F) and a maximum of 27°C (81°F). Additionally, while September experiences more precipitation at 84 mm (3.3 in) over 11 days, April has slightly less with 55 mm (2.2 in) over 10 days. Humidity levels are also higher in April at 76%, compared to September’s 68%. For more detailed insights on April's weather, you can visit Sandomierz weather in April.
September and May exhibit notable differences in their weather patterns. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F), while May experiences even cooler conditions, with temperatures dropping to a minimum of -2°C (29°F) and reaching a similar maximum of 30°C (86°F) but with a slightly lower average of 14°C (57°F). Precipitation levels are quite similar, with September receiving 84 mm (3.3 in) over 11 days, compared to May's 88 mm (3.5 in) spread over 15 days. Additionally, September has a higher humidity level at 68%, while May's humidity is more comfortable at 58%. For more specific insights, you can check out Sandomierz weather in May.
When comparing the weather in September and June, it's clear that June tends to be warmer overall. June's average temperature is 20°C (68°F), with daytime highs reaching up to 33°C (92°F), whereas September has a cooler average of 15°C (59°F) and maximum temperatures around 30°C (87°F). Additionally, June experiences slightly less precipitation at 65 mm (2.6 in) over 13 days compared to September's 84 mm (3.3 in) spread across 11 days. Humidity levels are also lower in June at 56%, compared to September's 68%. For more detailed information on June weather, visit Sandomierz weather in June.
When comparing the weather in September and July, we can see notable differences in temperature and precipitation. September offers a wider temperature range, with minimums dropping to 1°C (33°F) and maximums reaching up to 30°C (87°F), whereas July experiences milder minimums of 8°C (47°F) and higher maxima at 37°C (99°F). Despite July's higher average temperature of 20°C (68°F), it is marked by lower humidity at 56%, compared to September's humidity of 68%. Precipitation is also slightly higher in July with 96 mm (3.8 in) over 14 days, compared to September's 84 mm (3.3 in) over 11 days. For more detailed information, check out Sandomierz weather in July.
In comparison to August, September experiences a notable drop in temperature, with daytime averages of 15°C (59°F) compared to August's warmer 20°C (68°F). While August sees higher maximum temperatures peaking at 35°C (95°F), September reaches a maximum of 30°C (87°F), indicating a gradual shift towards cooler weather. Additionally, precipitation in September totals 84 mm (3.3 in) over 11 days, slightly less than August's 105 mm (4.1 in) across the same number of days, resulting in a wetter August. Moreover, September has higher humidity at 68%, compared to 55% in August. For a more detailed look at the weather trends, you can check Sandomierz weather in August.
September and October present contrasting weather patterns as summer transitions into autumn. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F), showcasing the lingering warmth of the summer season. The month sees 84 mm (3.3 in) of precipitation over approximately 11 days, accompanied by a humidity level of 68%. In contrast, October brings cooler temperatures with a minimum of -2°C (29°F) and a maximum of 24°C (75°F), averaging around 10°C (51°F). Precipitation decreases slightly to 70 mm (2.8 in) over 10 days, while humidity rises to 84%, reflecting the crispness of the autumn air. For more detailed information on October's climate, refer to Sandomierz weather in October.
September and November present notably different weather conditions. In September, temperatures range from a chilly 1°C (33°F) at night to a warm 30°C (87°F) during the day, with an average of 15°C (59°F). The month also sees around 84 mm (3.3 in) of precipitation over 11 days, contributing to a moderate humidity level of 68%. In contrast, November's temperatures are much cooler, with nighttime lows dropping to -7°C (19°F) and daytime highs capping at 20°C (68°F), averaging just 5°C (42°F). Precipitation decreases to 42 mm (1.6 in) across 10 days, while humidity rises significantly to 89%, making the air feel much heavier. For more details, you can visit Sandomierz weather in November.
September and December present quite contrasting weather patterns. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 30°C (87°F), with an average temperature of 15°C (59°F). This month experiences moderate precipitation of 84 mm (3.3 in) over 11 days, and humidity levels are a comfortable 68%. In stark contrast, December sees much colder conditions, with temperatures dipping to a minimum of -14°C (8°F) and only reaching a maximum of 13°C (56°F), averaging around 1°C (35°F). Precipitation decreases to 49 mm (1.9 in) spread over 12 days, but humidity rises significantly to 91%. For more details on how December weather unfolds in Sandomierz, visit Sandomierz weather in December.
As September unfolds in Sandomierz, the weather transitions into a delightful blend of late summer warmth and the crisp beginnings of autumn. With temperatures peaking at a pleasant 30°C (87°F) and a cooler average of 15°C (59°F), it's a month that balances the lingering warmth of summer with the refreshing shift toward fall. While precipitation is more frequent, with about 11 rainy days contributing to a total of 84 mm (3.3 in) of rainfall, this month enjoys a relatively moderate humidity level of 68%, which enhances the overall comfort. Compared to the sweltering heights of summer, September offers a reprieve that invites outdoor adventures against the backdrop of changing foliage. For a deeper dive into what Sandomierz has to offer throughout the year, check out Sandomierz Climate.