September Weather in Iwonicz-Zdroj, Poland

Last updated: August 27, 2025

In Iwonicz-Zdroj, Poland, September presents a varied climate with temperatures ranging from a pleasant maximum of 29°C (84°F) to a crisp minimum of 1°C (34°F), averaging around 14°C (58°F). This month experiences moderate rainfall, totaling 86 mm (3.4 in) over approximately 12 days, contributing to a humidity level of 69%. Visitors can expect a mixture of warm days and cooler evenings, making it a unique time to explore this charming spa town while enjoying the refreshing autumnal ambiance.

September Temperature in Iwonicz-Zdroj

In Iwonicz-Zdroj, Poland, September marks a transition into autumn, characterized by a noticeable shift in temperatures. With a minimum temperature of 1°C (34°F), the air begins to feel crisp, while the average temperature rises to a comfortable 14°C (58°F), providing a pleasant backdrop for outdoor activities. The maximum temperature can soar to 29°C (84°F), ensuring that late summer warmth lingers through the early part of the month. This gradual decline in temperatures sets the stage for the cooler months ahead, as the region shifts from the summer's peak warmth towards the briskness of fall. Such fluctuations highlight Iwonicz-Zdroj's dynamic climate, making September an intriguing time to experience the changing seasons.

September Weather in Iwonicz-Zdroj: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Iwonicz-Zdroj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iwonicz-Zdroj, 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).
JanFebMarAprMayJunJulAugSepOctNovDec283238475565666657494133
Data source: Temperature data for Iwonicz-Zdroj 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 Iwonicz-Zdroj

In September, Iwonicz-Zdroj experiences a notable shift in its precipitation patterns, recording 86 mm (3.4 in) of rainfall over the month. This moderate amount of precipitation occurs over 12 days, marking a slight decrease compared to the summer months but a continuation of the relatively wet conditions seen throughout the year. Following May and July, known for their higher rainfall totals, September settles into a more balanced wet climate, ideal for the transition into autumn. The rainfall is often characterized by gentle, consistent showers that feed into the lush landscape, which thrives through this period, setting the stage for the vibrant colors of fall.

September Precipitation Trends in Iwonicz-Zdroj

The chart displays monthly precipitation patterns in Iwonicz-Zdroj, 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 Iwonicz-Zdroj, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec46654962115971129986775976
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Iwonicz-Zdroj

As September rolls in Iwonicz-Zdroj, Poland, the humidity experiences a modest rise to 69%, aligning itself with the more temperate conditions found earlier in the spring and summer months. This slight increase follows the dryest period, seen in July and August, where humidity dipped to a refreshing 59%. As the region transitions from the warmth of summer to the crispness of autumn, the humidity levels reflect this shift, gradually moving towards the more substantial moisture of the fall and winter months, which will soon peak at 91% in December. Overall, September encapsulates a seasonal pivot, balancing the lingering summer air with the impending chill of autumn.

September Average Humidity in Iwonicz-Zdroj

This chart illustrates the average monthly humidity levels in Iwonicz-Zdroj, 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 Iwonicz-Zdroj 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 Iwonicz-Zdroj

As September rolls into Iwonicz-Zdroj, the UV Index remains at a high level of 6, similar to the peak summer months of July and August, although slightly milder. This means that residents and visitors alike should continue to take precautions when spending time outdoors, as the burn time is about 25 minutes. While the UV Index did spike to a very high rating in the summer, the trend suggests a gradual decrease as autumn approaches, with October expected to bring a moderate UV Index of 4. It’s essential to be aware of these shifts and protect your skin accordingly. For more detailed information, check out the Iwonicz-Zdroj UV Index.

Maximum UV Index Levels in Iwonicz-Zdroj for September

The chart shows the monthly maximum UV Index (UVI) for Iwonicz-Zdroj 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 Iwonicz-Zdroj typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235678876421
Data source: Iwonicz-Zdroj 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 Iwonicz-Zdroj

In Iwonicz-Zdroj, Poland, September marks a transition as summer's warm embrace begins to wane, offering a delightful 312 hours of sunshine. This month surprisingly maintains a significant amount of sunlight, even as it descends from the peak of summer, which witnesses 419 hours in July. It's a time when the lush landscapes still glimmer under the sun, providing a picturesque setting for outdoor activities. As autumn approaches, the sunshine hours progressively decline, dipping to 262 hours in October. Observing this trend, one can appreciate how September serves as a beautiful bridge between the vibrant summer months and the coming coolness of fall, inviting visitors to bask in the lasting warmth of the season before the winter chill sets in.

Monthly Sunshine Duration in Iwonicz-Zdroj: September Highlighted

The September sunshine duration represents the total number of hours Iwonicz-Zdroj 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.
JanFebMarAprMayJunJulAugSepOctNovDec144h195h283h326h374h407h419h393h312h262h208h150h
Data source: Iwonicz-Zdroj September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Iwonicz-Zdroj During September

As summer transitions into autumn, Iwonicz-Zdroj enjoys a 35% chance of sunny weather in September, making it a delightful time for visitors to embrace the changing seasons. This percentage marks a slight dip from the peak 47% in June, yet it still offers one of the more favorable forecasts of the year. Following the vibrant warmth of July and August, which maintain around 35% and 32% respectively, September stands as a bridge to the clearer skies seen in October, where the likelihood of sunshine jumps to 48%. This trend illustrates an engaging climate pattern, providing ample opportunities for outdoor activities while the landscape prepares for the enchanting hues of autumn.

Percentage of Sunny Days in September in Iwonicz-Zdroj

The chart illustrates the percentage of sunny days in Iwonicz-Zdroj 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 Iwonicz-Zdroj experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%23%33%36%34%47%35%32%35%48%28%14%
Data source: Iwonicz-Zdroj September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Iwonicz-Zdroj in September

As the summer sun begins to wane, September in Iwonicz-Zdroj, Poland, boasts a delightful 12 hours of daylight, marking a gentle transition from the vibrant long days of summer to the shorter, cozier days of autumn. Following the peak of 16 hours in June, daylight gradually decreases, yet September still presents a generous amount of sunlight, making it an ideal time for outdoor activities and enjoying the changing foliage. This month bridges the warmth of summer with the cool embrace of fall, reflecting a harmonious shift in the natural rhythm of the seasons. With each day getting slightly shorter, residents and visitors can bask in the golden hues that hint at the approaching autumn, reminding us of the beauty that comes with seasonal change.

Average Daylight Hours in Iwonicz-Zdroj for September

The chart illustrates the variation in daylight duration in Iwonicz-Zdroj 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 22m16h 12m15h 45m14h 20m12h 33m10h 42m9h 4m8h 12m
Data source: Iwonicz-Zdroj daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Iwonicz-Zdroj

As September unfolds in Iwonicz-Zdroj, the average wind speed registers at a gentle 2.8 m/s (6 mph), providing a subtle transition from the placid summer breezes of July and August. This slight uptick from the summer's stillness hints at the impending arrival of autumn, as wind speeds typically increase during this season. While the winds remain soft, they create a refreshing atmosphere that invigorates the senses, making September a delightful time for outdoor activities. As the months progress towards October, where speeds climb to 3.5 m/s (8 mph), the gentle whispers of September's wind serve as a prelude to the brisker days ahead, showcasing nature's graceful shift.

Average September Wind Speed in Iwonicz-Zdroj

The chart displays monthly wind speed patterns in Iwonicz-Zdroj, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.83.13.33.62.52.62.52.8 m/s3.53.53.7
Data source: Iwonicz-Zdroj September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Iwonicz-Zdroj Compares to Other Months

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

In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 29°C (84°F), with an average of 14°C (58°F). This month also experiences relatively higher precipitation, totaling 86 mm (3.4 in) over approximately 12 days, along with a humidity level of 69%. In contrast, January presents a starkly different climate, with temperatures plummeting to a minimum of -22°C (-8°F) and only peaking at 8°C (47°F), resulting in an average temperature of -2°C (28°F). The month sees lower precipitation levels of 46 mm (1.8 in) spread across around 10 days, although the humidity is higher at 91%. For more detailed insights about the weather in January, you can check Iwonicz-Zdroj weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 1°C (34°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (58°F). The month experiences about 86 mm (3.4 in) of precipitation over 12 days, coupled with a humidity level of 69%. In contrast, February is characterized by much colder temperatures, with a minimum of -19°C (-2°F) and a maximum of 10°C (51°F), averaging around 0°C (32°F). Precipitation decreases to 65 mm (2.6 in) spread over 13 days, but humidity rises significantly to 88%. For more detailed insights, you can check out Iwonicz-Zdroj weather in February.

In September, the weather showcases a more moderate range, with temperatures fluctuating from a chilly 1°C (34°F) at night to a warm 29°C (84°F) during the day, resulting in an average of 14°C (58°F). The month experiences 86 mm (3.4 in) of precipitation over 12 days, with a relative humidity of 69%. In contrast, March presents a much colder atmosphere, where temperatures plunge as low as -22°C (-6°F) at night, while reaching a maximum of 20°C (68°F) during the warmer parts of the day, averaging at just 3°C (38°F). With only 49 mm (1.9 in) of precipitation also spread over 12 days, March is characterized by higher humidity at 86%. For more specifics on March weather, check out Iwonicz-Zdroj weather in March.

When comparing the weather in September and April, we observe distinct seasonal differences. September boasts a warmer average temperature of 14°C (58°F), with a maximum reaching 29°C (84°F), making it a comfortable month for outdoor activities. In contrast, April starts off much cooler, with an average of 8°C (47°F) and a maximum of 25°C (78°F), indicating a transition from winter to spring. Additionally, September experiences higher precipitation levels at 86 mm (3.4 in) over 12 days, while April has less rain, totaling 62 mm (2.4 in) across 9 days. Humidity is also a factor, with September at 69% and April higher at 77%. For more specific April conditions, you can check Iwonicz-Zdroj weather in April.

When comparing the weather in September and May, both months exhibit a range of temperatures and similar humidity levels. September tends to be warmer, with average temperatures around 14°C (58°F) and highs reaching up to 29°C (84°F), while May has slightly cooler averages at around 13°C (56°F) with a maximum of 27°C (82°F). However, May experiences more precipitation, with 115 mm (4.5 in) falling over 18 days, compared to September's 86 mm (3.4 in) over 12 days. Despite these differences, both months maintain a humidity level of 69%, contributing to a similar overall feel to the air. For a more detailed look at weather conditions in May, you can visit Iwonicz-Zdroj weather in May.

Comparing September and June weather reveals some intriguing differences and similarities. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 29°C (84°F), with an average of 14°C (58°F). June, on the other hand, features warmer temperatures, starting from a minimum of 3°C (38°F) and peaking at 33°C (92°F), with an average of 18°C (65°F). Both months experience similar humidity levels at 69%, but June tends to have slightly more precipitation, measuring 97 mm (3.8 in) over 15 days compared to September's 86 mm (3.4 in) over 12 days. For more details on June weather specifically in this region, you can check out Iwonicz-Zdroj weather in June.

In comparing the weather of September and July, September offers a cooler climate with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 29°C (84°F), while July features warmer conditions with its temperatures varying between 7°C (45°F) and 33°C (92°F). Additionally, September experiences lower precipitation at 86 mm (3.4 in) over 12 days, compared to July’s higher total of 112 mm (4.4 in) across 17 days. Humidity levels are also slightly higher in September at 69%, compared to July’s 63%. For more detailed insights on July's climate, you can visit Iwonicz-Zdroj weather in July.

In September, the weather experiences a noticeable shift compared to August. The average temperature drops from 19°C (66°F) in August to 14°C (58°F) in September, while the maximum temperature decreases significantly from 32°C (90°F) in August to 29°C (84°F) in September. Additionally, September sees more precipitation, with 86 mm (3.4 in) over 12 days, compared to August’s 99 mm (3.9 in) over 13 days. Humidity also rises, reaching 69% in September compared to 59% in August, contributing to a cooler and more humid atmosphere as the seasons change. For a closer look at what August typically entails, check out Iwonicz-Zdroj weather in August.

September and October present a notable shift in weather patterns. September experiences milder temperatures with a minimum of 1°C (34°F), an average of 14°C (58°F), and a maximum of 29°C (84°F). It also sees 86 mm of precipitation over 12 days, alongside a humidity level of 69%. In contrast, October brings cooler conditions, highlighted by temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), with an average of 10°C (50°F). The precipitation slightly decreases to 77 mm over 11 days, but humidity rises to 85%. For more detailed insights, check the Iwonicz-Zdroj weather in October.

September and November present strikingly different weather patterns. In September, average temperatures range from a mild 14°C (58°F) to a warm 29°C (84°F), making it a comfortable transition into autumn. The month experiences about 86 mm (3.4 in) of precipitation over 12 days, with a relatively lower humidity of 69%. In contrast, November brings a dramatic drop in temperature, with average highs of just 5°C (41°F) and lows plunging to -8°C (18°F). Although November receives less precipitation, totaling 59 mm (2.3 in) over the same number of days, the humidity rises to 90%, contributing to a damp chill in the air. For more detailed information, you can check out Iwonicz-Zdroj weather in November.

In September, the weather is typically warmer, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 29°C (84°F). The average temperature sits at a comfortable 14°C (58°F), with relatively lower humidity at 69% and 86 mm (3.4 in) of precipitation over about 12 days. In contrast, December brings a significant drop in temperatures, with averages around 0°C (33°F) and highs only reaching 11°C (52°F). The minimum temperature can fall as low as -17°C (1°F). December also sees higher humidity levels at 91% and slightly less precipitation at 76 mm (3.0 in), occurring over around 15 days. For more details on the December weather in this region, you can visit Iwonicz-Zdroj weather in December.

Compare Iwonicz-Zdroj's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Iwonicz-Zdroj

As September settles in, Iwonicz-Zdroj experiences a transition in weather, showcasing milder temperatures compared to the peak of summer. While warm days can reach up to 29°C, the nights introduce a refreshing coolness, dipping to just 1°C. The month brings about a notable increase in precipitation, with approximately half the month experiencing rain, leading to a humidity level of 69% that adds to the overall freshness of the air. This unique blend of warmth and moisture makes September a distinct departure from the drier, hotter months of summer, creating an atmosphere ripe for relaxation and exploration. For a deeper insight into Iwonicz-Zdroj's climate patterns throughout the year, visit Iwonicz-Zdroj Climate.