September Weather in Biecz, Poland

Last updated: August 27, 2025

In Biecz, Poland, September brings a diverse climate characterized by a temperature range that peaks at a warm 30°C (85°F) and dips to a cool 2°C (35°F), with an average of 15°C (58°F). This transitional month experiences 96 mm (3.8 in) of precipitation over approximately 13 days, creating a relatively humid environment with an average humidity of 69%. As summer edges into autumn, Biecz showcases a beautiful blend of warm days and cooler evenings, making it an intriguing time for visitors to experience the enchanting charm of this historic town.

September Temperature in Biecz

As September rolls in, Biecz, Poland experiences a gentle transition from the warmth of summer to the cooler embrace of autumn. With morning temperatures dipping to a minimum of 2°C (35°F) and daytime highs reaching up to 30°C (85°F), the month offers a pleasant mix of warmth and crispness. The average temperature settles at a comfortable 15°C (58°F), making this an ideal time for outdoor activities as the vibrant hues of early fall begin to paint the landscape. While the days are still warm enough for light clothing, the nights hint at the coolness of the approaching winter, creating a beautiful balance that characterizes September in this historic town.

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

The chart illustrates September temperature patterns in Biecz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biecz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293339485666676758504234
Data source: Temperature data for Biecz 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 Biecz

September in Biecz, Poland, showcases a noteworthy shift in precipitation patterns as summer begins to wane. With an average rainfall of 96 mm (3.8 in) over 13 days, the month sits comfortably between the heavier downpours of August and the reduced totals seen in October. This marks a slight decrease from the 117 mm (4.6 in) recorded in August, signaling a transition towards the autumn season. As the days grow shorter and temperatures cool, the consistent rainfall helps nourish the landscape, preparing it for the seasonal changes ahead.

September Precipitation Trends in Biecz

The chart displays monthly precipitation patterns in Biecz, 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 Biecz, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4764476511610011211796845974
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Biecz

As September arrives in Biecz, Poland, the humidity begins to stabilize at 69%, marking a notable transition after the drier summer months of July and August, which saw their lowest levels at 63% and 59%, respectively. This change signals the return of moisture to the air, reminiscent of the spring months when humidity levels were higher, around 77% in April. As the days shorten and temperatures begin to cool, September's humidity paves the way for the increasing dampness of autumn, which peaks in the following months, rising to 85% in October and climbing to 91% by December. This rhythmic pattern showcases Biecz's shift from the warm, dry summer to the more humid, chillier months ahead, reflecting the region's characteristic seasonal climate.

September Average Humidity in Biecz

This chart illustrates the average monthly humidity levels in Biecz, 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 Biecz 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 Biecz

As summer transitions to autumn in Biecz, Poland, the UV Index in September reflects a noticeable shift from the sweltering heights of summer. With a UV Index of 6, categorized as high, residents and visitors should be aware of the potential for sunburn with an average burn time of just 25 minutes. This marks a slight decline from the very high levels seen in July and June, but it still emphasizes the importance of sun protection, particularly during midday hours. As the days grow shorter and temperatures begin to cool, keeping an eye on the UV Index remains essential for safe outdoor activities. For a comprehensive look at UV levels throughout the year, visit Biecz UV Index.

Maximum UV Index Levels in Biecz for September

The chart shows the monthly maximum UV Index (UVI) for Biecz 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 Biecz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec225678876421
Data source: Biecz 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 Biecz

In Biecz, Poland, September brings a delightful embrace of sunshine, recording 310 hours of bright days. As summer's radiance gently wanes, this month stands out as a serene transition, offering a substantial drop from the sun-soaked 415 hours of July, yet remaining significantly above the dimmer days of autumn ahead. The trend indicates a steady increase in daylight from the winter months, peaking in the height of summer before tapering off. With the arrival of September, the warmth of late summer beckons residents and visitors alike to enjoy the lingering outdoor charms, while the landscape begins its gradual shift into the cozy hues of fall.

Monthly Sunshine Duration in Biecz: September Highlighted

The September sunshine duration represents the total number of hours Biecz 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.
JanFebMarAprMayJunJulAugSepOctNovDec145h195h279h323h368h403h415h388h310h262h209h150h
Data source: Biecz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Biecz During September

In Biecz, Poland, September boasts a 37% chance of sunshine, marking a gradual shift from the summer months. This percentage aligns with the sunny probabilities of both April and May, indicating a pleasant transition as autumn approaches. Following the more temperate summer months, where sunny weather peaks in June at 48%, September maintains a comparable brightness, keeping outdoor activities appealing. However, as the seasons change, the likelihood of sun will continue to fluctuate, with October presenting a higher chance of sunshine at 49%. Thus, while September offers a bittersweet farewell to summer, it promises enough sunny days to savor the lingering warmth.

Percentage of Sunny Days in September in Biecz

The chart illustrates the percentage of sunny days in Biecz 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 Biecz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%26%33%37%34%48%34%32%37%49%30%15%
Data source: Biecz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Biecz in September

As summer transitions to autumn in Biecz, Poland, September offers a gentle decline in daylight, providing around 12 hours of sunlight each day. This marks a noticeable shift from the long and bright days of summer, where June boasted 16 hours of daylight. As the seasons change, Biecz experiences a gradual decrease in light, with daylight hours diminishing from August's 14 hours. This heralds the approach of autumn and a return to shorter days, setting the stage for October's 10 hours and the even more subdued light of late autumn and winter. The rhythm of daylight in Biecz highlights nature’s cyclical dance, inviting a reflective pause as the year begins to wind down.

Average Daylight Hours in Biecz for September

The chart illustrates the variation in daylight duration in Biecz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 37m10h 5m11h 55m13h 47m15h 24m16h 15m15h 48m14h 21m12h 33m10h 41m9h 2m8h 9m
Data source: Biecz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Biecz

As September rolls into Biecz, Poland, the winds begin to shift slightly from the calm of summer. With an average wind speed of 3.0 m/s (7 mph), there's a refreshing increase compared to the stiller months of June, July, and August, which all hovered around 2.5 m/s (6 mph). This subtle uptick signals the changing season, preparing the landscape for the vibrant colors of autumn. Interestingly, as temperatures start to drop, the wind speeds are set to rise again in October to 3.6 m/s (8 mph), creating a dynamic interplay between the cooling atmosphere and the lively breezes. Overall, September serves as a transitional phase, heralding the arrival of brisker, more invigorating winds that enhance the charm of this picturesque Polish town.

Average September Wind Speed in Biecz

The chart displays monthly wind speed patterns in Biecz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.63.13.43.62.52.72.53.0 m/s3.63.53.5
Data source: Biecz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Biecz Compares to Other Months

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

In September, the weather is notably warmer, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (85°F), and an average of 15°C (58°F). The month experiences 96 mm (3.8 in) of precipitation over 13 days, with a humidity level of 69%. In contrast, January is significantly colder, featuring temperatures that dip as low as -21°C (-5°F) and only reach a maximum of 9°C (49°F), averaging -2°C (29°F). Precipitation decreases to 47 mm (1.9 in) across 11 days, but humidity rises to 91%. For more information on January weather, visit Biecz weather in January.

When comparing the weather in September and February, it's evident that these months present stark contrasts. September boasts a much warmer climate, with average temperatures reaching up to 15°C (58°F) and maximums of 30°C (85°F). In contrast, February offers a colder experience, with average temperatures hovering around 1°C (33°F) and lows that can plunge to -21°C (-5°F). Additionally, while September experiences relatively high humidity at 69% and considerable precipitation over 13 days, February is even more humid at 88% with slightly lower precipitation at 64 mm (2.5 in) over 14 days. For a deeper insight into February weather patterns, you can visit Biecz weather in February.

September and March present strikingly different weather patterns. In September, temperatures range from a chilly 2°C (35°F) at their lowest to a warm 30°C (85°F) at their peak, with an average of 15°C (58°F). The month sees considerable rainfall, totaling 96 mm (3.8 in) over 13 days, and humidity levels at 69%. Conversely, March is much colder, with temperatures dipping to a minimum of -24°C (-11°F) and reaching a maximum of 20°C (68°F), resulting in an average of just 4°C (39°F). The precipitation is lighter, at 47 mm (1.8 in) over 12 days, but humidity is higher at 86%. For a more detailed look at March weather in Biecz, you can check Biecz weather in March.

When comparing the weather in September and April, we can see notable differences in temperature and humidity. September experiences a wider temperature range, with minimums of 2°C and maximums reaching 30°C, averaging around 15°C. This month also sees significant rainfall, accumulating 96 mm over approximately 13 days, with a humidity level of 69%. In contrast, April is cooler, with minimum temperatures plummeting to -6°C and maximums of 26°C, resulting in an average of 9°C. Although it has less precipitation at 65 mm over about 10 days, the humidity level is higher at 77%. These differences highlight the transitional nature of April compared to the more stable late-summer conditions of September. For more detailed insights into April weather, you can visit Biecz weather in April.

When comparing the weather in September and May, one can observe notable differences in temperature and precipitation patterns. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 30°C (85°F), averaging around 15°C (58°F). In contrast, May presents a slightly cooler climate with temperatures varying from -2°C (29°F) to 29°C (84°F) and an average temperature of 13°C (56°F).

Moreover, September experiences about 96 mm (3.8 in) of precipitation over approximately 13 days, while May sees a higher total of 116 mm (4.6 in) spread across 17 days. Both months share a similar humidity level of 69%, but the increased rainfall in May can lead to a more humid environment overall. For a more detailed understanding of May's climate, you can explore Biecz weather in May.

In comparing the weather of September and June, we see notable differences in temperature and precipitation patterns. September typically showcases a broader range of temperatures, with a minimum of 2°C (35°F), average of 15°C (58°F), and a maximum of 30°C (85°F). In contrast, June presents slightly warmer conditions, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 33°C (92°F), and an average of 19°C (66°F).

Precipitation is fairly similar in both months, with September receiving 96 mm (3.8 in) over approximately 13 days, while June experiences marginally higher rainfall at 100 mm (3.9 in) across 16 days. Interestingly, humidity levels remain constant at 69% in both months. For a more detailed look at June weather, you can check this link: Biecz weather in June.

In comparing the weather patterns of September and July, we notice distinct differences and a few similarities. September experiences milder temperatures, with a minimum of 2°C (35°F), an average of 15°C (58°F), and a maximum of 30°C (85°F). In contrast, July is generally warmer, recording a minimum of 7°C (45°F), an average of 19°C (67°F), and peaking at 35°C (95°F). Rainfall also differs; September sees 96 mm (3.8 in) of precipitation over 13 days, while July experiences slightly higher rainfall at 112 mm (4.4 in) across 16 days. Interestingly, humidity levels are higher in September at 69%, compared to July's 63%. For more detailed insights into July weather, you can check Biecz weather in July.

In September, temperatures exhibit a broader range, with a minimum of 2°C (35°F) and a maximum of 30°C (85°F), while the average temperature falls to 15°C (58°F). This contrasts with August, where the minimum is higher at 7°C (45°F) and the maximum reaches 33°C (91°F), resulting in a warmer average of 19°C (67°F). Precipitation is slightly lower in September at 96 mm (3.8 in) compared to August's 117 mm (4.6 in), although both months experience rain on 13 days. Additionally, September has a higher humidity level at 69% compared to August's 59%. For a closer look at August's weather, you can check Biecz weather in August.

September typically showcases a wide range of temperatures, with a minimum of 2°C (35°F) and a maximum of 30°C (85°F), resulting in an average of 15°C (58°F). The month experiences significant precipitation, totaling 96 mm (3.8 in) across 13 days, and a humidity level of 69%. In contrast, October sees cooler temperatures, with a minimum dipping to -2°C (28°F) and a maximum of 23°C (74°F), leading to an average of 10°C (51°F). While October has slightly less precipitation at 84 mm (3.3 in) over 11 days, it also experiences higher humidity at 85%. For more specific information on weather conditions during October, you can check Biecz weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a pleasant average of 15°C (58°F) to a maximum of 30°C (85°F), making it significantly warmer, while November sees a drop in average temperatures to around 5°C (42°F), with nighttime lows plummeting to -11°C (13°F). September experiences higher humidity at 69% and more rainfall, accumulating 96 mm (3.8 in) over 13 days. In contrast, November, while more humid at 90%, receives less precipitation (59 mm or 2.3 in) over 12 days, contributing to a chillier atmosphere. For a closer look at November's weather specifics, you can refer to Biecz weather in November.

September weather is generally warm and inviting, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (85°F), resulting in an average temperature of 15°C (58°F). The month experiences 96 mm (3.8 in) of precipitation over 13 days, accompanied by a moderate humidity level of 69%. In contrast, December brings a chillier climate, with temperatures plunging to a minimum of -17°C (2°F) and averaging just 1°C (34°F), peaking at 12°C (55°F). This month also sees 74 mm (2.9 in) of precipitation, but over more days—17 in total—leading to a higher humidity level of 91%. For a deeper insight into weather specifics for this month, check out Biecz weather in December.

Compare Biecz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Biecz

As September rolls into Biecz, the weather presents a delightful transition from the warmth of summer to the crisp embrace of autumn. With maximum temperatures peaking at around 30°C, days still feel pleasantly warm, but the average and minimum temperatures signify a gradual cooling trend as the month progresses. Unlike the more humid summer months, September's humidity hovers around 69%, making it feel a bit more comfortable for outdoor activities. However, with about 13 days of rainfall totaling 96 mm, it's advisable to be prepared for a few unexpected showers. This mix of warmth and precipitation gives September its unique charm, inviting both locals and visitors to experience the beauty of Biecz in this vibrant season. For a deeper dive into what Biecz has to offer year-round, check out Biecz Climate.