September Weather in Stare Miasto, Poland

Last updated: August 27, 2025

Experience the enchanting September weather in Stare Miasto, Poland, where the average temperature hovers around a comfortable 15°C (60°F). Daytime highs can reach a maximum of 34°C (94°F), offering warm and sunny moments perfect for exploring the city's rich history. However, nature occasionally blesses the area with 71 mm (2.8 in) of rain over about 9 days, keeping the landscape lush and vibrant. With humidity levels at 75%, the air feels refreshing, making September an ideal time for both locals and visitors to enjoy the charm of this historic locale.

September Temperature in Stare Miasto

As September unfolds in Stare Miasto, Poland, temperatures begin their gentle descent from the summer heat, offering a refreshing transition into autumn. With minimums around 2°C (36°F) and averages settling at a comfortable 15°C (60°F), the city enjoys mild days that are perfect for exploring its historic streets. The maximum highs can still reach an inviting 34°C (94°F) early in the month, allowing for sun-soaked afternoons. This shift in weather brings an inviting charm, as the vibrant hues of autumn foliage gradually replace the lush greens of summer, making it an ideal time for both locals and visitors to experience the city's enchanting beauty. Overall, September serves as a delightful bridge between seasons, making it a fantastic time to visit Stare Miasto.

September Weather in Stare Miasto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Stare Miasto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stare Miasto, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333439485767686859514335
Data source: Temperature data for Stare Miasto generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Stare Miasto

September in Stare Miasto, Poland, showcases a notable continuation of the summer's precipitation pattern, with 71 mm (2.8 in) of rainfall spread over 9 days. This marks a slight decrease from the wetter months of June and July, yet it retains the essence of a transitional period as autumn approaches. Following the rainy August that recorded 70 mm, September maintains this trend, suggesting a consistent level of moisture that supports the lush greenery characteristic of this picturesque locale. As the year progresses, rainfall begins to taper off, signalling the shift towards drier months ahead, particularly October, which sees a reduction to 60 mm (2.4 in). The balanced rainfall during September not only enriches the region's vibrant landscapes but also prepares Stare Miasto for the forthcoming autumnal beauty.

September Precipitation Trends in Stare Miasto

The chart displays monthly precipitation patterns in Stare Miasto, 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 Stare Miasto, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec414439397579767071603446
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Stare Miasto

As we transition into September in Stare Miasto, Poland, humidity levels settle at a moderate 75%, reflecting a shift towards the cooler fall months. This marks a subtle increase from the summer's average, which hovered around 63% to 65%, suggesting that the crispness of autumn is just around the corner. Throughout the year, humidity peaks in the winter months of January and December, reaching as high as 91% and 93% respectively. Conversely, spring and early summer exhibit noticeably lower humidity, with May and June providing welcomed relief at 63% and 61%. As September enters, it becomes clear that while warmth lingers, the overall trend is a gradual rise, signaling nature's preparation for the more humid and frosty seasons ahead.

September Average Humidity in Stare Miasto

This chart illustrates the average monthly humidity levels in Stare Miasto, 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 Stare Miasto is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%79%63%61%63%65%75%85%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stare Miasto

As September rolls into Stare Miasto, Poland, residents and visitors experience a high UV Index of 6, signaling a shift from the summer months. With a burn time of just 25 minutes, it's essential to take precautions to protect your skin while enjoying the lingering warmth. This trend mirrors the gradual decline from the very high levels observed in July and August, yet the risk remains prominent. Following the sun safety guidelines becomes increasingly important as autumn approaches, with the UV Index expected to drop to a moderate level in October. For more details on UV exposure in this enchanting part of Poland, visit Stare Miasto UV Index.

Maximum UV Index Levels in Stare Miasto for September

The chart shows the monthly maximum UV Index (UVI) for Stare Miasto 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 Stare Miasto typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Stare Miasto 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 Stare Miasto

September in Stare Miasto, Poland, offers a pleasant farewell to summer, basking in 288 hours of sunshine. As the days shorten, the sun hours begin to taper off from the summer peak seen in June and July, each boasting a robust 413 hours. Following the vibrant warmth of August's 380 hours, September maintains a golden glow, setting the stage for a charming autumn ambiance. While the impending chill of October begins to creep in with 241 hours of sunlight, September’s abundant rays encourage a breathtaking backdrop for leisurely strolls through the historic streets, where the remnants of summer linger in the air.

Monthly Sunshine Duration in Stare Miasto: September Highlighted

The September sunshine duration represents the total number of hours Stare Miasto 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.
JanFebMarAprMayJunJulAugSepOctNovDec104h191h263h334h383h413h413h380h288h241h160h125h
Data source: Stare Miasto September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Stare Miasto During September

September in Stare Miasto, Poland, marks a charming transition into autumn, with a 39% chance of sunny weather. This represents a slight increase in sunshine compared to the preceding months of July and August, which experience lower probabilities of clear skies at 35% and 30%, respectively. As summer fades, the likelihood of enjoying sunny days begins to recover, reverting to a more promising outlook similar to that of April and May. With the warm remnants of summer still lingering, visitors can expect a delightful balance of sun and cooler breezes, making September an appealing time to explore the vibrant culture and historic sites of this beautiful area.

Percentage of Sunny Days in September in Stare Miasto

The chart illustrates the percentage of sunny days in Stare Miasto 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 Stare Miasto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%30%37%36%40%55%35%31%39%45%17%28%
Data source: Stare Miasto September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Stare Miasto in September

September in Stare Miasto, Poland, marks a gentle transition as daylight begins to wane, offering approximately 12 hours of sunshine. Following the vibrant, sun-soaked months of June and July, where daylight peaked at an impressive 16 hours, September's light reflects a shift towards the cozy embrace of autumn. The crispness in the air and the lingering warmth of summer combine to create an enchanting atmosphere, as daylight gradually retreats. This month serves as a bridge between summer's abundance and the approaching chill of winter, highlighted by a gradual decline in daylight that continues into October. As the days shorten, residents and visitors alike are reminded of nature’s rhythmic cycles, enhancing the charm of this picturesque Polish locale.

Average Daylight Hours in Stare Miasto for September

The chart illustrates the variation in daylight duration in Stare Miasto throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 16m9h 54m11h 54m13h 57m15h 45m16h 41m16h 11m14h 35m12h 36m10h 34m8h 44m7h 45m
Data source: Stare Miasto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Stare Miasto

As the summer fades into autumn, September in Stare Miasto, Poland, ushers in a subtle shift in the average wind speed, settling at 3.6 m/s (8 mph). This marks a slight uptick from the languid breezes of the summer months, where July and August experienced their calmest days with winds around 2.9 m/s and 3.4 m/s respectively. The transition towards fall becomes evident as winds gain momentum, preparing the city for the cooler months ahead. Looking ahead to October, wind speeds are expected to further increase to 4.2 m/s (9 mph), signaling a notable change as nature braces for the crispness of autumn. This gentle shift in wind not only enhances the charm of Stare Miasto's storied streets but also sets the stage for a vibrant seasonal transformation.

Average September Wind Speed in Stare Miasto

The chart displays monthly wind speed patterns in Stare Miasto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.53.73.74.03.02.93.43.6 m/s4.24.34.1
Data source: Stare Miasto September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Stare Miasto Compares to Other Months

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

In September, the weather tends to be quite warm, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 34°C (94°F) and an average of 15°C (60°F). This month typically experiences about 71 mm (2.8 in) of precipitation over 9 days, with a humidity level of 75%. In contrast, January brings much colder conditions, with temperatures plummeting to a minimum of -19°C (-1°F) and averaging around 0°C (33°F), while the maximum barely reaches 12°C (54°F). Although January has lower precipitation at 41 mm (1.6 in) over 10 days, the humidity is noticeably higher at 91%. For those interested in exploring the winter weather, you can find additional information at Stare Miasto weather in January.

September and February present strikingly different weather conditions. September experiences a wide temperature range, with minimums around 2°C (36°F) and maximums peaking at 34°C (94°F), creating a mild average of 15°C (60°F). This month also sees relatively high humidity at 75% and around 71 mm (2.8 in) of rainfall over nine days. In contrast, February is much colder, characterized by its frigid temperatures that drop to a minimum of -18°C (1°F) and reach a maximum of only 18°C (65°F), resulting in a chilly average of just 1°C (35°F). Despite less precipitation, totaling 44 mm (1.7 in) also over nine days, the humidity is higher at 90%. For a closer look at February weather conditions, check out Stare Miasto weather in February.

September and March present quite contrasting weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a warm maximum of 34°C (94°F), with an average of 15°C (60°F). The month experiences a moderate level of precipitation at 71 mm (2.8 in) over nine days, along with a humidity level of 75%. In contrast, March sees much colder conditions, with temperatures ranging from a chilly -15°C (5°F) to a maximum of 19°C (67°F) and an average of just 4°C (40°F). Although March has less precipitation at 39 mm (1.5 in) over 11 days, the humidity is higher at 87%. For more details, visit Stare Miasto weather in March.

Comparing the weather in September and April reveals notable differences in temperature and precipitation. September tends to be significantly warmer, with average temperatures reaching 15°C (60°F) and highs of up to 34°C (94°F), while April's average is cooler at 9°C (48°F) and peaks at 27°C (82°F). In terms of precipitation, September sees more rainfall at 71 mm (2.8 in) over 9 days, compared to April’s 39 mm (1.5 in) over the same number of days. Both months have high humidity, though September's humidity sits slightly lower at 75% compared to April's 79%. For more specific insights into April's weather, you can check Stare Miasto weather in April.

September and May present contrasting weather experiences as the seasons transition. In September, temperatures range from a cool minimum of 2°C (36°F) to a warm maximum of 34°C (94°F), with an average of 15°C (60°F). The month sees around 71 mm (2.8 in) of precipitation spread over 9 days and maintains a humidity level of 75%. In comparison, May starts off with colder nights, featuring a minimum of -1°C (30°F) and a milder maximum of 29°C (85°F), averaging 14°C (57°F). Precipitation is slightly higher at 75 mm (2.9 in) over 12 days, but the humidity is lower at 63%. Overall, September feels more humid and is typically warmer during the day, while May has cooler nights and a more comfortable humidity level. For more details, you can check Stare Miasto weather in May.

When comparing the weather in September and June, September tends to be milder with a minimum temperature of 2°C (36°F) and an average of 15°C (60°F), while June starts off warmer, with a minimum of 5°C (42°F) and an average of 20°C (68°F). However, June can reach higher maximum temperatures of up to 38°C (100°F), compared to September's maximum of 34°C (94°F). Precipitation levels are fairly similar in both months, with September receiving 71 mm (2.8 in) and June slightly more at 79 mm (3.1 in), but they both experience rain on around 9 days. Additionally, humidity is more pronounced in September at 75%, compared to June’s 61%. For more detailed insights into June weather, you can refer to Stare Miasto weather in June.

In comparing the weather between September and July, we notice distinct differences. September experiences a wider temperature range, with a minimum of 2°C (36°F) and a maximum of 34°C (94°F), leading to an average temperature of 15°C (60°F). In contrast, July is warmer overall, with minimum temperatures of 8°C (46°F) and maximums reaching up to 37°C (99°F), averaging around 20°C (68°F). Both months receive relatively similar amounts of precipitation, with September at 71 mm (2.8 in) over 9 days and July slightly higher at 76 mm (3.0 in) across 11 days. Additionally, September has a higher humidity level at 75%, compared to July's 63%. For more detailed insights on July weather, you can check Stare Miasto weather in July.

In comparison to August, September experiences a notable drop in minimum temperatures, with lows of 2°C (36°F) compared to August's 8°C (46°F). While both months have similar average precipitation levels—71 mm (2.8 in) for September and 70 mm (2.8 in) for August—the distribution of rain remains consistent, with precipitation occurring over 9 days in both months. September also tends to be more humid, averaging 75% humidity, compared to August's 65%. Despite this, September's maximum temperatures can still reach up to 34°C (94°F), slightly lower than August's peak of 35°C (96°F). For more detailed weather information, you can view Stare Miasto weather in August.

September and October showcase a distinct transition in weather patterns. In September, the temperatures range from a mild minimum of 2°C (36°F) to a warm maximum of 34°C (94°F), with an average of 15°C (60°F). The month experiences an average precipitation of 71 mm (2.8 in) over 9 days, complemented by a humidity level of 75%. In contrast, October brings a noticeable drop in temperatures, with a minimum dipping to -3°C (28°F) and an average of 11°C (52°F), while the maximum reaches 24°C (76°F). Precipitation is slightly lower at 60 mm (2.4 in) across 10 days and humidity increases to 85%. For a detailed look at how weather in October affects locals and visitors alike, check out Stare Miasto weather in October.

In September, the weather features a wide temperature range, with minimums around 2°C (36°F) and maximums reaching up to 34°C (94°F), resulting in an average temperature of 15°C (60°F). This month experiences moderate precipitation of 71 mm (2.8 in) over approximately 9 days, and humidity levels are relatively comfortable at 75%. Conversely, November brings significantly cooler temperatures, with minimums dropping to -6°C (22°F) and maximums peaking at 19°C (66°F), leading to a lower average of 6°C (43°F). While November sees less precipitation at 34 mm (1.4 in) over 8 days, the humidity rises to a higher 90%, creating a distinctly different atmosphere. For more specific insights, you can check Stare Miasto weather in November.

In September, the weather experiences a wider range of temperatures, with a minimum of 2°C (36°F) and a maximum reaching up to 34°C (94°F), and an average of 15°C (60°F). This month also sees significant humidity at 75% and 71 mm (2.8 in) of precipitation spread over 9 days. In contrast, December brings a stark chill, with temperatures dropping to a minimum of -16°C (4°F) and an average of only 2°C (36°F), peaking at 14°C (58°F). Although precipitation is slightly lower at 46 mm (1.8 in), it occurs over more days—12 in total—resulting in heightened humidity at 93%. For more insights into December weather specifically, you can check Stare Miasto weather in December.

Compare Stare Miasto's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Stare Miasto

As September unfolds in Stare Miasto, the weather reveals a striking transition from the warmth of summer to the crispness of autumn. Temperatures can be quite varied, with days that can still reach into the high 30s°C (high 90s°F), while nights may dip to a cool 2°C (36°F), creating a refreshing contrast. This month also sees an increase in precipitation, with a noticeable rise in rainy days compared to the dry summer months, yielding an overall humidity level that lingers around 75%. If you're curious about the full spectrum of weather patterns and how they shape life in this charming town, check out Stare Miasto Climate.