September Weather in Ustron, Poland

Last updated: August 27, 2025

Ustron, Poland, in September offers a delightful blend of weather that captures the essence of early autumn. With maximum temperatures reaching a warm 29°C (85°F) and an average of 14°C (58°F), the month transitions gently from the heat of summer. However, as the mercury dips to a minimum of 2°C (36°F), cooler evenings remind us of the approaching season change. Throughout September, the region experiences 117 mm (4.6 in) of rainfall over 14 days, contributing to a humidity level of 67% that keeps the air fresh and invigorating. This dynamic climate makes Ustron a fascinating destination for those seeking the charm of autumn’s early days.

September Temperature in Ustron

In Ustron, Poland, September marks a gentle transition from summer to fall, as temperatures begin to cool. With minimums averaging around 2°C (36°F) and maximums peaking at a pleasant 29°C (85°F), the month showcases a mild climate perfect for outdoor exploration. The average temperature of 14°C (58°F) highlights a comfortable ambiance, inviting both locals and visitors to enjoy the scenic beauty of this charming town. As the warm summer days start to fade, September sets the stage for the vibrant autumn foliage, creating an ideal backdrop for hiking and sightseeing amidst nature's dramatic transformation.

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

The chart illustrates September temperature patterns in Ustron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ustron, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303439475565666658504234
Data source: Temperature data for Ustron 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 Ustron

September in Ustron, Poland, showcases a noteworthy continuation of the region's wet season, with precipitation totaling 117 mm (4.6 in) over 14 days. This month marks a slight decrease from the previous August, which saw the highest rainfall of the year at 124 mm (4.9 in), yet still maintains a robust total that underscores the transition into autumn. With a consistent pattern of moderate precipitation throughout the summer months, September's rainfall supports the gradual cooling trend as the landscape prepares for the cooler onset of fall. This interplay of moisture not only nourishes the surrounding flora but also sets the stage for the vivid hues of the changing leaves, making it a picturesque time to experience Ustron's natural beauty.

September Precipitation Trends in Ustron

The chart displays monthly precipitation patterns in Ustron, 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 Ustron, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5672617012295107124117975586
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ustron

As the summer heat begins to wane, September in Ustron experiences a slight uptick in humidity, reaching 67%. While this marks an increase from the drier months of July and August, it still falls considerably lower than the winter months' peaks. This transition showcases a gradual shift in climate, as the lush greenery nurtured by the warmth starts to prepare for the cooler, wetter patterns characteristic of autumn. Humidity levels in Ustron weave a fascinating narrative—from the high 90s in the heart of winter to September's moderate levels—each month revealing the delicate balance between seasonal changes and atmospheric conditions. As such, September serves as a bridge, welcoming the moisture-laden air that will soon envelop the region as it heads toward the chillier months ahead.

September Average Humidity in Ustron

This chart illustrates the average monthly humidity levels in Ustron, 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 Ustron is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%83%76%70%71%67%64%67%83%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ustron

As summer fades in Ustron, Poland, the September UV Index holds steady at 6, categorizing it as high and necessitating awareness for sun exposure. This marks a slight decline from the peak of 8 observed in both June and July, yet it still demands caution, allowing for a burn time of just 25 minutes without protection. September’s UV levels reflect the transition from summer sun intensity, reminding us that even as the days grow shorter, the sun's rays can still pose risks. As you enjoy the autumnal scenery, stay sun-smart and make the most of the pleasant weather while being mindful of UV exposure. For more detailed information, visit Ustron UV Index.

Maximum UV Index Levels in Ustron for September

The chart shows the monthly maximum UV Index (UVI) for Ustron 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 Ustron typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Ustron 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 Ustron

September in Ustroń, Poland, offers a delightful transition as summer fades into autumn, basking in 308 hours of sunshine. This month witnesses a gradual decline in daylight hours, following the sun-soaked peak of July, which boasts 423 hours. Despite this reduction, September retains considerable brightness, making it distinctly vibrant compared to the chillier months ahead. The trend is clear; as the days shorten, there's a noticeable drop from the lush 371 hours of May and 410 hours of June, yet September's sun still shines brightly, inviting locals and visitors to revel in the warm hues before the more subdued offerings of October and November set in.

Monthly Sunshine Duration in Ustron: September Highlighted

The September sunshine duration represents the total number of hours Ustron 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.
JanFebMarAprMayJunJulAugSepOctNovDec136h193h291h325h371h410h423h387h308h260h200h147h
Data source: Ustron September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ustron During September

In Ustron, Poland, September brings a promising 40% chance of sunny weather, aligning with a noticeable trend of increased sunshine as summer wanes. Following the relatively sunnier months of June and July, which boast chances of sun at 49% and 38% respectively, September maintains a strong position in the yearly cycle. The transition into autumn sees a slight dip from the height of summer, yet the 40% probability indicates that many days still offer the warmth and light conducive to outdoor activities. As October approaches, this sunny likelihood shifts to 47%, hinting at a delightful autumn where sunny days are not an uncommon sight, making September a lovely month to enjoy the tail end of summer’s glow before cooler temperatures set in.

Percentage of Sunny Days in September in Ustron

The chart illustrates the percentage of sunny days in Ustron 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 Ustron experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%30%40%34%32%49%38%34%40%47%27%16%
Data source: Ustron September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ustron in September

As September unfolds in Ustron, Poland, daylight begins to wane, offering around 12 hours of sunshine, a gentle decline from the vibrant 14 hours experienced in August. This transition marks the shift towards autumn, following the summer months where daylight peaked at an impressive 16 hours in June. The gradual pattern observed throughout the year highlights a clear trend: longer days dominate the summer, while shorter daylight hours signal the approach of winter. With October ushering in just 10 hours of daylight, September serves as a beautiful bridge, inviting residents to savor the last remnants of summer light before the days shorten further.

Average Daylight Hours in Ustron for September

The chart illustrates the variation in daylight duration in Ustron throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 39m10h 6m11h 55m13h 46m15h 23m16h 13m15h 46m14h 20m12h 33m10h 42m9h 3m8h 11m
Data source: Ustron daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ustron

As September unfolds in Ustron, Poland, the average wind speed settles at a gentle 2.6 m/s (6 mph), mirroring the calm breezes of August. This marks a trend of decreasing wind activity during the summer months, where the wind was notably lighter in June and July. However, September's winds maintain a subtle presence, hinting at the approaching seasonal shift. As the month closes, one can expect the wind speeds to increase again, returning to 3.6 m/s (8 mph) in October, continuing a consistent pattern seen earlier in the year. Overall, the September winds create a serene atmosphere, gently complementing the picturesque landscapes as nature prepares for the upcoming autumn.

Average September Wind Speed in Ustron

The chart displays monthly wind speed patterns in Ustron, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.33.13.33.62.22.32.62.6 m/s3.63.23.2
Data source: Ustron September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ustron Compares to Other Months

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

September and January present stark contrasts in weather. September boasts a much warmer climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), and an average of 14°C (58°F). This month also experiences a moderate amount of rainfall, totaling 117 mm (4.6 in) over about 14 days, accompanied by a humidity level of 67%. In contrast, January brings cold conditions with temperatures plummeting to a minimum of -20°C (-3°F) and reaching a maximum of just 10°C (51°F), averaging -1°C (30°F). Rainfall is significantly less at 56 mm (2.2 in) over 12 days, but humidity rises to a higher 90%, contributing to a chillier feel. For more details on January weather, you can refer to Ustron weather in January.

September and February present stark contrasts in weather conditions. September enjoys milder temperatures, with an average of 14°C (58°F) and highs reaching up to 29°C (85°F), making it a warm month with considerable humidity at 67% and rainfall totaling 117 mm (4.6 in) over 14 days. In contrast, February is much chillier, featuring an average temperature of just 1°C (34°F) and nighttime lows dropping to -18°C (0°F). While precipitation is lower in February at 72 mm (2.8 in) over 13 days, the humidity remains notably high at 87%, contributing to the cold, damp feel of winter. For more details about February weather, you can check Ustron weather in February.

September and March present strikingly different weather patterns. In September, temperatures fluctuate from a cool minimum of 2°C (36°F) to a warm maximum of 29°C (85°F), with an average of 14°C (58°F), making it a transitional month into autumn. This month also sees significant rainfall, with 117 mm (4.6 in) spread over 14 days, accompanied by a moderate humidity level of 67%.

In contrast, March is marked by much colder conditions, where temperatures range from a biting minimum of -22°C (-8°F) to a milder maximum of 20°C (68°F), with an average of only 4°C (39°F). Precipitation is lighter, totaling 61 mm (2.4 in) over the same 14 days, but humidity is notably higher at 83%. For a closer look at what to expect, you can check Ustron weather in March.

September and April present contrasting weather conditions, with September featuring a broader temperature range. In September, temperatures can fluctuate from a chilly 2°C (36°F) at night to a warm high of 29°C (85°F) during the day, making it a pleasant month overall with an average temperature of 14°C (58°F). However, it also experiences more precipitation, totaling 117 mm (4.6 in) over 14 days, accompanied by a humidity level of 67%.

In contrast, April has a cooler minimum temperature of -6°C (22°F) and an average of 8°C (47°F), with daytime highs reaching up to 27°C (81°F). April's precipitation is lower, at 70 mm (2.8 in) across 11 days, but the humidity is slightly higher at 76%. For those interested in a deeper look at April weather specifics, you can visit Ustron weather in April.

When comparing the weather in September and May, we see some intriguing similarities and differences. Both months feature a maximum temperature of 29°C (85°F), offering warm days. However, September tends to be slightly warmer on average, with an average temperature of 14°C (58°F) compared to May's 13°C (55°F). In terms of precipitation, May sees a bit more rain at 122 mm (4.8 in) over 18 days, while September experiences 117 mm (4.6 in) spread over 14 days. Humidity levels are also comparable, with May having a humidity of 70% versus September's 67%. For more detailed information about May weather in Ustron, you can check Ustron weather in May.

When comparing the weather in June and September, it's clear that both months offer distinct experiences. June tends to be warmer, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 32°C (89°F), while September has a wider temperature range, with averages from 2°C (36°F) to 29°C (85°F). June also sees slightly less precipitation at 95 mm (3.8 in) compared to September's 117 mm (4.6 in), despite both months experiencing rain on around 14 days. Humidity is a bit higher in September at 67%, compared to June's 71%. For more details, you can check Ustron weather in June.

In comparing the weather of September and July, we observe notable differences in temperature and precipitation. September experiences a wider range of temperatures, with a minimum of 2°C (36°F) and a maximum of 29°C (85°F), leading to an average of 14°C (58°F). This month also sees a total precipitation of 117 mm (4.6 in) over 14 days. In contrast, July boasts warmer conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F), resulting in an average of 19°C (66°F). Rainfall in July is slightly less, at 107 mm (4.2 in) over 16 days, yet the humidity remains constant at 67% for both months. For more detailed insights, you can check the Ustron weather in July.

In comparing the weather of September and August, September tends to be cooler with a minimum temperature of 2°C (36°F) and an average of 14°C (58°F), while August enjoys warmer conditions with a minimum of 7°C (45°F) and an average of 19°C (67°F). The maximum temperatures in August reach up to 33°C (92°F), compared to September's maximum of 29°C (85°F). Additionally, while both months experience 14 days of precipitation, September has slightly less rainfall at 117 mm (4.6 in) compared to August's 124 mm (4.9 in). Humidity is also a bit higher in September at 67%, compared to 64% in August. For more details on August weather, visit Ustron weather in August.

September typically presents a mild transition from summer to autumn, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (85°F) and an average of 14°C (58°F). It often experiences 117 mm (4.6 in) of precipitation over about 14 days, accompanied by a relative humidity of 67%. In contrast, October sees a notable drop in temperatures, with minimums falling to -3°C (27°F) and an average of 10°C (51°F), while the maximum reaches 25°C (77°F). Precipitation decreases slightly to 97 mm (3.8 in) over 12 days, and humidity rises to 83%. For a more detailed look at the weather trends, check out Ustron weather in October.

September and November present strikingly different weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), with an average of 14°C (58°F), allowing for warm, pleasant days. However, it sees considerable precipitation, totaling 117 mm (4.6 in) across about 14 days, coupled with a relative humidity of 67%.

In contrast, November brings a significant drop in temperatures, with lows reaching -8°C (18°F) and an average of 6°C (42°F), while the highs cap at 19°C (67°F). The month experiences less precipitation overall, totaling 55 mm (2.1 in) spread across approximately 10 days, but the humidity rises to 90%, making the air feel quite damp and chilly. For a closer look at November conditions, you can visit Ustron weather in November.

In September, the weather is generally mild, with temperatures ranging from a minimum of 2°C (36°F) to a comfortable average of 14°C (58°F), peaking at a warm 29°C (85°F). The month experiences significant precipitation, amounting to 117 mm (4.6 in) over approximately 14 days, with humidity levels averaging 67%. In contrast, December brings a stark transformation, with colder temperatures dropping to a minimum of -13°C (9°F) and an average of just 1°C (34°F), while the maximum temperature reaches only 15°C (58°F). Although December has less precipitation at 86 mm (3.4 in), it spans 15 days, and the humidity increases to a chilly 91%. For a closer look at December's climate, check Ustron weather in December.

Compare Ustron's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ustron

As September unfolds in Ustron, the weather transitions into a refreshing yet variable period that sets it apart from the summer months. With temperatures gradually cooling down, the peak heat gives way to a more temperate average, inviting outdoor activities while still retaining a hint of summer’s warmth. However, September also brings increased rainfall, contributing to a more humid atmosphere that can create a cozy feel, particularly during those cooler evenings. It's this unique blend of mild temperatures and moisture that marks the month as a delightful yet unpredictable time in Ustron, making it ideal for experiencing the vibrant landscapes and seasonal changes. For a deeper dive into the overall climate of Ustron, visit Ustron Climate.