September Weather in Bochnia, Poland

Last updated: August 27, 2025

September in Bochnia, Poland offers a striking contrast in weather, where summer's warmth gradually yields to the coolness of autumn. With maximum temperatures soaring up to 31°C (88°F), the month showcases pleasant days ideal for outdoor activities. However, as the average settles at a crisp 15°C (59°F) and lows can plunge to 2°C (37°F), layered clothing becomes essential. A notable precipitation amount of 100 mm (3.9 in) over 12 rainy days highlights the transition, contributing to the region's lush landscapes. With a humidity level of 69%, September in Bochnia encapsulates the essence of late summer mingled with the refreshing early autumn breeze, making it a unique and engaging time to experience the surroundings.

September Temperature in Bochnia

In September, Bochnia, Poland begins to transition into autumn, showcased by a notable shift in temperatures. With minimums averaging 2°C (37°F) and maximums reaching up to 31°C (88°F), the city enjoys pleasantly warm days, making it a delightful time for outdoor activities. The average temperature settles at a comfortable 15°C (59°F), inviting residents and visitors alike to relish the lingering warmth before the coolness of October sets in. While the major summer heat has receded, September's mild climate provides a perfect backdrop for enjoying the vibrant fall scenery and cultural events that define this charming Polish town.

September Weather in Bochnia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bochnia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bochnia, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec313540495767686859514235
Data source: Temperature data for Bochnia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bochnia

In September, Bochnia, Poland, experiences a notable precipitation pattern, with an average of 100 mm (3.9 in) of rainfall collected over 12 days. This considerable drop from August’s peak of 123 mm (4.8 in) indicates a seasonal shift, as summer’s heavy rains give way to the cooler autumn months. Despite the decrease, September remains one of the wetter months, surpassing both March and April and closely aligning with May. The relatively high precipitation amounts and consistent rainy days reflect the region's transition into fall, setting the stage for the crisp, cooler weather of October.

September Precipitation Trends in Bochnia

The chart displays monthly precipitation patterns in Bochnia, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Bochnia, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3856446410179103123100804958
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bochnia

In Bochnia, Poland, September brings a notable shift in humidity levels as the summer months draw to a close. With humidity rising to 69%, it’s a transitional period marked by the lingering warmth of August, which recorded the lowest humidity of the year at 59%. This upward trend is reflected in the months leading up to the cooler fall, with September smoothly bridging the gap before the humidity soars again to 85% in October. Overall, the data highlights a seasonal pattern where summer's dry air gives way to the more humid conditions typical of autumn, inviting a gradual return to the climes experienced at the year's start.

September Average Humidity in Bochnia

This chart illustrates the average monthly humidity levels in Bochnia, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Bochnia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%88%86%77%69%69%63%59%69%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bochnia

In September, Bochnia experiences a UV Index of 6, placing it in the high exposure category with a burn time of 25 minutes. This slight decrease from the peak summer months reflects a gradual transition into autumn, yet the sun's intensity remains significant. As the months progress, savvy sun-seekers should be mindful of this high UV exposure, especially when compared to July and August's levels of 8 and 7, respectively. This shift highlights the importance of protecting your skin even as the days start to cool. To stay informed about UV levels and plan your outdoor activities accordingly, visit Bochnia UV Index.

Maximum UV Index Levels in Bochnia for September

The chart shows the monthly maximum UV Index (UVI) for Bochnia in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Bochnia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578876421
Data source: Bochnia September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Bochnia

As summer fades and autumn approaches, September in Bochnia, Poland, continues to bask in a generous amount of sunshine, totaling 302 hours. This marks a slight decrease from the sun-drenched days of July and August, which saw peaks of 414 and 381 hours, respectively. However, September's sun still shines brighter than the earlier months of the year, notably eclipsing the hours recorded in both January and February. The gradual transition into fall brings a comforting warmth as the vibrant hues of nature begin to shift, reminding locals and visitors alike to savor the lingering sunlight before the shorter days of October set in. With a rich tapestry of sunny days behind it, September serves as a bridge, still celebrating warmth while hinting at the cozy embrace of autumn ahead.

Monthly Sunshine Duration in Bochnia: September Highlighted

The September sunshine duration represents the total number of hours Bochnia experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec136h189h279h319h358h396h414h381h302h261h210h143h
Data source: Bochnia September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bochnia During September

In September, Bochnia enjoys a 38% chance of sunny weather, marking a pleasant transition into autumn. This figure showcases an upward trend compared to the summer months, where the likelihood of sunshine dipped to 32% in July and 33% in August. As the year progresses towards the fall, sunshine chances generally improve, with October peaking at 49%. Overall, September stands out as a favorable period for enjoying the outdoors, offering brighter days before the more overcast months set in.

Percentage of Sunny Days in September in Bochnia

The chart illustrates the percentage of sunny days in Bochnia throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Bochnia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%30%34%37%35%50%32%33%38%50%31%18%
Data source: Bochnia September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bochnia in September

As September unfolds in Bochnia, Poland, the days start to shorten, with daylight lasting about 12 hours. This gradual decrease marks a transition from the long, sun-drenched days of summer, peaking at 16 hours in June. Following the vibrant months of May and June, where daylight stretches to 15 and 16 hours, the days begin to wane slightly in July and August. September’s daylight duration reminds us of the inevitable approach of autumn, with daylight gradually tapering off to 10 hours by October, continuing the annual cycle. This rhythm reflects not only the change of seasons but also the shifting atmosphere, as the warmth of summer gives way to the crispness of fall.

Average Daylight Hours in Bochnia for September

The chart illustrates the variation in daylight duration in Bochnia throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 36m10h 5m11h 55m13h 48m15h 25m16h 16m15h 49m14h 22m12h 33m10h 41m9h 1m8h 8m
Data source: Bochnia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bochnia

In September, the wind in Bochnia, Poland, typically begins to pick up from the summer lull, averaging 2.9 m/s (approximately 7 mph). This gentle breeze is a welcome change as the city transitions into autumn, bringing a hint of crispness to the air. Following a summer marked by lower winds, which averaged around 2.4 to 2.6 m/s, September's increase denotes a subtle shift in seasonal dynamics. This uptick in wind speed continues into October and November, where averages stabilize at 3.1 m/s, suggesting a consistent pattern as the colder months approach. Overall, September serves as a bridge, heralding the arrival of autumn while still offering a taste of lingering summer warmth.

Average September Wind Speed in Bochnia

The chart displays monthly wind speed patterns in Bochnia, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.43.03.33.42.42.42.62.9 m/s3.13.13.2
Data source: Bochnia September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bochnia Compares to Other Months

Weather in Bochnia varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bochnia, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in September and January, the differences are striking. September typically offers a much warmer climate, with average temperatures around 15°C (59°F) and highs that can reach up to 31°C (88°F), contrasted sharply by January's frigid conditions, where temperatures hover around 0°C (32°F) and can drop as low as -20°C (-3°F). Additionally, September experiences more rainfall, accumulating about 100 mm (3.9 in) over approximately 12 days, while January has significantly less precipitation at 38 mm (1.5 in) across just 10 days. Humidity levels also vary, with September having a moderate 69% compared to January’s higher 91%. For more details on January weather, visit Bochnia weather in January.

September and February showcase contrasting weather patterns. September offers a wider temperature range with a minimum of 2°C (37°F) and a maximum of 31°C (88°F), averaging around 15°C (59°F). This month experiences about 100 mm (3.9 in) of precipitation over 12 days and has a humidity level of 69%, providing a relatively comfortable atmosphere. In stark contrast, February is much colder, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 20°C (68°F), averaging just 2°C (35°F). Although it receives less precipitation at 56 mm (2.2 in) over 13 days, the humidity is higher at 88%, which can make the chill feel even more intense. For more specific details, you can check Bochnia weather in February.

September and March present strikingly different weather conditions. In September, temperatures range from a mild 2°C (37°F) to a warm 31°C (88°F), with an average of 15°C (59°F). This month sees a decent amount of precipitation at 100 mm (3.9 in) over about 12 days, and the humidity is relatively moderate at 69%. In contrast, March faces much cooler temperatures, starting from a frigid -20°C (-4°F) to a comfortable 21°C (70°F), with an average of just 4°C (40°F). Precipitation is lighter in March, totaling 44 mm (1.7 in) over 11 days, but the humidity rises significantly to 86%. For a detailed look at the weather nuances, you can check Bochnia weather in March.

When comparing the weather in September and April, notable differences emerge. September typically showcases warmer temperatures, with average highs reaching up to 31°C (88°F) and lows around 2°C (37°F), while April experiences much cooler conditions, with maximum temperatures peaking at 27°C (81°F) and minimums dropping to -6°C (21°F). Additionally, September sees more rainfall, averaging 100 mm (3.9 in) over 12 days compared to April's 64 mm (2.5 in) across 11 days. Humidity levels are slightly higher in April at 77%, compared to 69% in September. For a more in-depth look at April weather specifics, visit Bochnia weather in April.

In comparing the weather of September and May, both months exhibit similar patterns in temperature and precipitation. September sees a temperature range from a chilly 2°C (37°F) at its minimum to a warm 31°C (88°F) at its peak, with an average temperature of 15°C (59°F). In contrast, May starts off cooler, with minimum temperatures dipping to -2°C (29°F) and averaging around 14°C (57°F), while reaching a maximum of 30°C (86°F). Precipitation is also quite comparable, with September experiencing 100 mm (3.9 in) over 12 days, while May has slightly more, at 101 mm (4.0 in) across 15 days. Both months maintain a consistent humidity level of 69%. For more details on the weather specifics in May, you can refer to Bochnia weather in May.

In comparing the weather of September and June, we find notable differences in temperature and precipitation. September experiences a wider range of temperatures, with lows of 2°C (37°F) and highs reaching up to 31°C (88°F), while June maintains a warmer average range, with minimum temperatures at 4°C (40°F) and maximums at 34°C (93°F). Despite both months having 12 rainy days, September has a higher total precipitation of 100 mm (3.9 in) compared to June's 79 mm (3.1 in). Interestingly, humidity levels remain consistent at 69% for both months, adding a persistent moisture to the air. For more detailed insights into June's weather patterns, you can visit Bochnia weather in June.

September and July present distinct weather patterns. In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 31°C (88°F), with an average of 15°C (59°F), while July enjoys warmer average temperatures between 8°C (47°F) and 36°C (97°F), averaging around 20°C (68°F). Both months experience similar levels of precipitation, with September receiving 100 mm (3.9 inches) over 12 days and July slightly higher at 103 mm (4.0 inches) over 16 days. Humidity levels are comparable, with September at 69% and July slightly lower at 63%. For more details on July weather, check out Bochnia weather in July.

In comparing the weather of September and August, September experiences a wider temperature range with a minimum of 2°C (37°F) and a maximum of 31°C (88°F), while August has a milder minimum of 8°C (46°F) and a higher maximum of 35°C (95°F). The average temperature in September is 15°C (59°F), significantly lower than August's average of 20°C (68°F). Additionally, September has slightly more precipitation at 100 mm (3.9 in) over 12 days, compared to August's 123 mm (4.8 in) over 13 days. Interestingly, September is also more humid at 69%, compared to August's 59%. For a detailed look at August weather, you can visit Bochnia weather in August.

September's weather exhibits a warm temperature range, peaking at a high of 31°C (88°F) and averaging 15°C (59°F), while October brings a notable drop in temperatures, with a maximum of 25°C (78°F) and an average of 11°C (51°F). Despite the milder temperatures in October, humidity increases to 85%, compared to September's 69%. Additionally, October experiences slightly less precipitation at 80 mm (3.2 in) over 11 days, compared to 100 mm (3.9 in) over 12 days in September. For more details on what to expect, check out Bochnia weather in October.

September weather is characterized by a much warmer climate, with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 31°C (88°F), making it feel quite comfortable and summery. In contrast, November brings a significant drop in temperatures, with averages between -7°C (19°F) and 21°C (70°F), signaling the onset of winter. Additionally, while September typically experiences 100 mm (3.9 in) of precipitation over 12 days, November sees a reduction in rainfall to 49 mm (1.9 in) across 10 days, although the humidity rises to 90%. For a more detailed look at the weather conditions, you can visit Bochnia weather in November.

In September, temperatures range from a mild 2°C (37°F) at night to a warm 31°C (88°F) during the day, with an average of 15°C (59°F). The month experiences a total precipitation of 100 mm (3.9 in) over about 12 days, accompanied by a relative humidity of 69%. In contrast, December brings significantly colder conditions, with temperatures plummeting to a minimum of -14°C (7°F) and an average of just 2°C (35°F), reaching a maximum of 15°C (59°F) during warmer spells. Precipitation decreases to 58 mm (2.3 in), spread over approximately 14 days, and humidity rises to a high 91%. For more detailed insights, check out Bochnia weather in December.

Compare Bochnia's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bochnia

September in Bochnia presents a distinct transition into autumn, characterized by moderate temperatures and increasing humidity compared to the sweltering summer months. As the days grow shorter, you can expect a mix of warm days and cooler nights, creating a dynamic weather experience. While the amount of precipitation slightly increases, the overall rainfall is manageable, providing a refreshing contrast to the dry heat of summer. This month’s weather offers an ideal backdrop for enjoying the vibrant autumn scenery. For more detailed information, visit Bochnia Climate.