Last updated: August 27, 2025
In September, Opole, Poland experiences a remarkable transition as summer wanes and autumn approaches. With maximum temperatures reaching up to 33°C (92°F) and an average of 15°C (60°F), the month delivers a mix of warm days and cooler nights, while the temperature can dip as low as 0°C (33°F). The region sees approximately 77 mm (3.0 in) of rainfall over 10 days, contributing to a relative humidity of 72%, which adds a refreshing touch to the crisp autumn air. September in Opole offers a unique blend of warmth and moisture, making it an intriguing time to explore the city's vibrant scenery.
As September rolls into Opole, Poland, a notable shift in temperatures marks the transition from summer to autumn. With minimum temperatures hovering around 0°C (33°F), the crispness in the air becomes more pronounced, while average temperatures settle comfortably at 15°C (60°F). This month witnesses a delightful flirtation with warmth, peaking at a maximum of 33°C (92°F), reminiscent of summer’s lingering embrace. This gradual cool-down is a clear indicator of the changing season, inviting locals and visitors alike to enjoy the colorful tapestry of autumn, making September a delightful month to experience the charm of Opole.
In September, Opole experiences a notable transition in its weather patterns, receiving 77 mm (3.0 in) of precipitation over approximately 10 days. This amount, slightly lower than the summer months of July and August, suggests the onset of autumn, as the rain begins to taper off from the heavier downpours of late spring and summer. Interestingly, the consistency of rainfall throughout the month maintains a balanced aquatic environment, supporting the vibrant local ecosystem while heralding the cooler days ahead. This gradual decline in precipitation is part of a broader trend seen as the year progresses, from the lushness of May, which peaks at 84 mm (3.3 in), down to the drier months of late autumn and winter, illustrating a clear seasonal shift in Opole’s climatic rhythm.
In September, Opole experiences a noticeable shift in humidity, averaging around 72%, which marks a slight increase from the summer months but remains comfortably lower than the winter peaks. This transition from the relatively drier conditions of May through August signals the onset of autumn, where humidity levels start to climb again as October approaches, reaching 83%. The change is evident as the lush greenery of summer gives way to the crispness of fall, creating a refreshing atmosphere that's both vibrant and invigorating. As the seasons evolve, the humidity in Opole serves as a subtle reminder of the shifting climate, setting the stage for the cooler months ahead with a balance of mildness and moisture.
As September rolls into Opole, Poland, the UV Index starts to decline from the summer peak but remains noticeably high at 6, signaling a high exposure category. With an estimated burn time of 25 minutes, it's essential to stay mindful of sun safety as we transition into the autumn months. Compared to the intense UV levels of July and August, this drop indicates a gradual easing of summer's sun intensity, yet users are still advised to take precautions when enjoying outdoor activities. For more detailed information about UV trends throughout the year, check out Opole UV Index.
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September in Opole, Poland, brings a delightful shift in daylight, with the month basking in 303 hours of sunshine. This marks a gentle decline from the vibrant summer months, where July hits a peak of 427 hours. As the days shorten, the warmth of August lingers slightly, yet September holds onto a substantial amount of sunlight compared to the colder months ahead. The gradual decrease is reminiscent of the transition from vibrant spring blooms in April (with 325 hours) to the early whispers of autumn that hint at the cozy December ahead, which only gathers 135 hours of sunshine. This trend underscores Opole's dynamic seasonal shifts, making September a perfect blend of lingering summer and the onset of fall.
In Opole, Poland, the likelihood of sunny weather in September stands at 38%, maintaining a steady trend consistent with the spring and early summer months. Following the peak of 48% in June, which marks the height of summer, the chance of sunshine gently dips as autumn begins to settle in. September, however, remains favorable compared to the subsequent months, particularly October, which also echoes a similar likelihood of clear skies. This transitional month offers a delightful window for those seeking to enjoy the outdoors before the crisp chill of autumn firmly takes hold.
As summer fades to autumn in Opole, Poland, September marks a transition with an average daylight duration of 12 hours. This gradual shift from the sun-drenched days of June, where daylight peaked at 16 hours, signals the onset of shorter days ahead. Following a bountiful summer, where July and August retained 15 and 14 hours of sunlight respectively, September offers a gentle decline before October ushers in a significantly shorter 10 hours of daylight. This rhythmic ebb and flow of daylight hours not only reflects the seasonal changes but also emphasizes the beauty of nature's cycles, inviting residents to enjoy the lingering warmth of early autumn before the darker months set in.
In September, Opole experiences a gentle breeze with an average wind speed of 3.1 m/s (7 mph), indicating a slight uptick from the languid summer months. This subtle increase hints at the approaching autumn, as the winds tend to pick up in intensity in the following months. Interestingly, September’s winds stand out as a transition period, nestled between the quieter summer breezes of June (2.7 m/s) and July (2.7 m/s) and the more spirited gusts of October (4.1 m/s). This pattern of wind speed reflects the shift in seasons, where the warmth of summer gradually gives way to the invigorating coolness of fall, inviting residents and visitors alike to enjoy the crispness that this time of year brings.
Weather in Opole varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Opole, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by a wider temperature range, with minimums around 0°C (33°F), averaging 15°C (60°F), and peaking at a warm 33°C (92°F). This month also sees a moderate amount of precipitation at 77 mm (3.0 in) spread over about 10 days, with a humidity level of 72%. In contrast, January is much colder, with temperatures dropping to a minimum of -18°C (0°F) and averaging a frigid 0°C (33°F), while the maximum only reaches 12°C (53°F). Despite a lower total precipitation of 38 mm (1.5 in) over about 11 days, January experiences a higher humidity level of 90%, contributing to a crisp and often biting chill. For more detailed insights on January's weather, you can visit Opole weather in January.
Comparing the weather in September and February reveals distinct seasonal differences. In September, temperatures range from a cool 0°C (33°F) at night to a warm 33°C (92°F) during the day, with an average of 15°C (60°F). The month experiences a fair amount of precipitation, totaling 77 mm (3.0 in) over about 10 days, and the humidity remains relatively moderate at 72%. In contrast, February is much colder, with nighttime lows dropping to -15°C (5°F) and daytime highs peaking at 18°C (65°F), averaging only 2°C (35°F) for the month. This winter month sees less precipitation at 47 mm (1.8 in) over 11 days, accompanied by higher humidity levels of 88%. For more detailed insights, check out Opole weather in February.
September and March present quite different weather characteristics. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 33°C (92°F), with an average of 15°C (60°F). The month sees 77 mm (3.0 in) of precipitation over about 10 days, accompanied by a humidity level of 72%. In contrast, March brings colder temperatures, with a minimum of -14°C (7°F) and a maximum of 21°C (71°F), leading to a much lower average of 5°C (41°F). Precipitation is also less at 44 mm (1.7 in) over approximately 12 days, but the humidity is higher at 86%. For a detailed look at March weather, you can check Opole weather in March.
September and April present distinctly different weather characteristics. In September, temperatures can range from a chilly 0°C (33°F) at night to a warm 33°C (92°F) during the day, with an average of 15°C (60°F). This month experiences greater humidity at 72% and sees approximately 77 mm (3.0 in) of rainfall over about 10 days. In contrast, April features cooler temperatures, with nighttime lows dipping to -6°C (21°F) and a maximum of 28°C (84°F), averaging around 10°C (49°F). This spring month is slightly drier, with only 48 mm (1.9 in) of precipitation over about 9 days and higher humidity at 79%. For a more in-depth look at April weather in Opole, you can check out Opole weather in April.
September and May present distinct weather characteristics, showcasing the transition between summer and autumn. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 33°C (92°F), with an average of 15°C (60°F). The month sees about 77 mm (3.0 in) of precipitation over 10 days and a higher humidity level of 72%. In contrast, May experiences slightly cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 30°C (86°F), averaging around 14°C (58°F). While May has a bit more rainfall at 84 mm (3.3 in) over 14 days, the humidity is lower at 65%. For a detailed look at the weather patterns in May, you can visit Opole weather in May.
When comparing September and June weather, September tends to exhibit a broader temperature range, with minimums dipping to 0°C (33°F) and maximums reaching 33°C (92°F). In contrast, June's temperatures are generally warmer, with a minimum of 5°C (41°F) and a maximum of 36°C (98°F). Precipitation is slightly higher in June at 81 mm (3.2 in) over 12 days compared to September's 77 mm (3.0 in) over 10 days. Additionally, June has a lower humidity level at 66%, making it feel less muggy compared to September's average humidity of 72%. For more detailed information about the weather in June, you can visit Opole weather in June.
When comparing the weather in September and July, several notable differences emerge. September experiences a wider temperature range, with a minimum of 0°C (33°F) and a maximum of 33°C (92°F), leading to an average of 15°C (60°F). In contrast, July maintains a milder low of 7°C (45°F) and a higher maximum of 36°C (97°F), resulting in a warmer average of 20°C (68°F). Both months see similar precipitation levels, with September accumulating 77 mm (3.0 in) over approximately 10 days and July slightly higher at 78 mm (3.1 in) over 13 days. Interestingly, September has a higher humidity level of 72%, compared to July's 67%. For more detailed insights into July weather, you can visit Opole weather in July.
In comparing the weather between August and September, we see a noticeable shift. September brings cooler temperatures, with a minimum of 0°C (33°F) and an average of 15°C (60°F), compared to August's milder minimum of 8°C (46°F) and average of 21°C (69°F). While both months experience similar levels of precipitation—77 mm (3.0 in) in September and 79 mm (3.1 in) in August—the number of rainy days decreases slightly in September to 10 days. Additionally, September tends to be more humid with a humidity level of 72%, compared to 67% in August. For more detailed information on August weather, you can visit Opole weather in August.
September presents a wide range of temperatures, with a minimum of 0°C (33°F) and a maximum of 33°C (92°F), resulting in a warm average of 15°C (60°F). The month experiences about 77 mm (3.0 in) of precipitation over approximately 10 days, combined with a humidity level of 72%. In contrast, October sees a noticeable drop in temperatures, with a minimum of -1°C (30°F) and a maximum of 25°C (78°F), leading to a cooler average of 11°C (52°F). While precipitation remains relatively similar at 71 mm (2.8 in) over 11 days, humidity rises to 83%, contributing to a more damp and chilly atmosphere. For more detailed information, you can explore Opole weather in October.
September and November present a stark contrast in weather conditions. September typically enjoys a wider range of temperatures, with averages around 15°C (60°F), peaking at a warm 33°C (92°F). In contrast, November experiences cooler temperatures, often dropping to a minimum of -6°C (21°F) and averaging only about 6°C (43°F). Precipitation is more frequent in September, with around 77 mm (3.0 in) falling over 10 days, compared to November's lighter rainfall of 37 mm (1.5 in) across 8 days. Additionally, November's humidity levels rise to 90%, creating a damp and chilly atmosphere. For more detailed information on November weather, you can check Opole weather in November.
In September, the weather presents a wide range of temperatures, with a minimum of 0°C (33°F), an average of 15°C (60°F), and a maximum reaching up to 33°C (92°F). This month also experiences considerable humidity at 72% and receives around 77 mm (3.0 in) of precipitation over an average of 10 days. In contrast, December brings significantly colder conditions, featuring a minimum temperature of -12°C (10°F), an average of 2°C (36°F), and a maximum of 15°C (59°F). While the total precipitation is lower at 54 mm (2.1 in) over approximately 12 days, the humidity rises to a notable 92%. For more detailed insights, you can check out Opole weather in December.
As summer transitions into fall, September in Opole presents a unique blend of weather patterns that set it apart from the preceding months. The maximum temperatures can still reach an inviting 33°C (92°F), offering warm days that are perfect for outdoor activities. However, the average temperature dips significantly, making it feel much cooler than during the peak of summer. With 77 mm of rainfall over 10 days, September becomes more humid, marked by occasional showers that refresh the landscape. The overall increase in humidity, averaging around 72%, creates a distinct atmosphere, making it a month of change as nature prepares for autumn. For more detailed insights into Opole's weather, explore the Opole Climate.