September Weather in Wieliczki, Poland

Last updated: August 27, 2025

September in Wieliczki, Poland showcases a delightful transition into autumn, where temperatures range from a chilly 1°C (33°F) at night to a maximum of 27°C (82°F) during sunny days. The average temperature settles comfortably at 14°C (57°F), making it an inviting month for outdoor activities. However, prepare for some rain, as 69 mm (2.7 in) of precipitation is recorded across 10 days, contributing to a humidity level of 71%. This rich blend of mild days and refreshing showers sets a picturesque backdrop for exploring the historical charm of the region.

September Temperature in Wieliczki

In September, Wieliczki, Poland, begins to transition from the summer warmth to the crisper air of autumn. With temperatures ranging from a minimum of 1°C (33°F) to a pleasant maximum of 27°C (82°F), the month offers a comfortable average of 14°C (57°F). This moderate climate invites residents and visitors alike to enjoy outdoor activities amidst the stunning early fall foliage. As days gradually shorten, the refreshing chill marks a shift, hinting at the colder months ahead while still holding onto the vestiges of summer's warmth, making it a delightful time to explore the charming landscapes of Wieliczki.

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

The chart illustrates September temperature patterns in Wieliczki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wieliczki, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293036455464656456484032
Data source: Temperature data for Wieliczki 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 Wieliczki

In September, Wieliczki, Poland experiences a moderate rainfall, with a total precipitation of 69 mm (2.7 in) over 10 days. This marks a notable decline from the preceding months of July and August, which showcased heavier rainfall, averaging around 98 mm (3.9 in) and 84 mm (3.3 in) respectively. As summer transitions into autumn, the rainfall in September provides a balanced blend of moisture that supports the shifting landscape. With precipitation levels slightly lower than in May and June, it suggests a gradual tapering as the region prepares for the cooler months ahead, while still maintaining a lush environment. The consistent number of rainy days helps to nurture the vibrant fall foliage that characterizes this picturesque time of year.

September Precipitation Trends in Wieliczki

The chart displays monthly precipitation patterns in Wieliczki, 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 Wieliczki, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec463946447561988469684259
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wieliczki

In Wieliczki, Poland, September typically sees humidity levels settle at around 71%, marking a transition from the summer's moderate humidity of 59-60% in the preceding months. This spike is indicative of the onset of autumn, when the air begins to cool and moisture levels rise again. The trend shows a gradual increase from summer, culminating in a notable rise as the year progresses toward winter, where humidity peaks at an impressive 93% in December. Thus, September serves as a bridge, easing away from the drier summer months while foreshadowing the wetter conditions that lie ahead in the colder months.

September Average Humidity in Wieliczki

This chart illustrates the average monthly humidity levels in Wieliczki, 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 Wieliczki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wieliczki

As September unfolds in Wieliczki, Poland, the UV Index stands at 5, indicating a moderate level of sun exposure. This follows a summer where the UV Index peaked at 7 in July and maintained a high of 6 in August, making sun safety a priority during those months. With the shift to September, while the burn time increases slightly to 30 minutes, it signals a gradual reduction in UV intensity as the autumn approaches. This month serves as a reminder to stay mindful of sun protection as the days begin to shorten. For more detailed information on UV conditions, check out the Wieliczki UV Index.

Maximum UV Index Levels in Wieliczki for September

The chart shows the monthly maximum UV Index (UVI) for Wieliczki 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 Wieliczki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765321
Data source: Wieliczki 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 Wieliczki

As summer fades into autumn, September in Wieliczki brings a remarkable blend of mild temperatures and ample sunshine, boasting around 299 hours of bright daylight. This vibrant month reflects a noticeable transition in sunlight, as it follows the peak summer months of June and July, where residents basked in 440 and 432 hours respectively. While the total hours of sunlight begin to taper off compared to the previous months, September still shines brightly compared to the deeper falls and winters ahead, illustrating a gentle decline from the summer's exuberance but remaining significantly sunnier than the winter months of January and December, which struggle with a mere 88 and 119 hours. This trend of diminishing daylight serves as a poignant reminder of the seasonal shift, inviting both locals and visitors to cherish the warmth and beauty of early autumn in this charming Polish village.

Monthly Sunshine Duration in Wieliczki: September Highlighted

The September sunshine duration represents the total number of hours Wieliczki 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.
JanFebMarAprMayJunJulAugSepOctNovDec88h183h260h336h414h440h432h387h299h230h146h119h
Data source: Wieliczki September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wieliczki During September

In Wieliczki, Poland, the likelihood of enjoying sunny weather varies significantly throughout the year, revealing interesting trends. After a sluggish start in the winter months, when sunshine is a rare commodity, the chance of sun gradually increases as spring unfolds, peaking in June at an optimistic 57%. However, as summer wanes and September arrives, the probability of sunshine drops slightly to 35%, mirroring the tendencies seen in April and May. This trend suggests that while September offers a reasonable chance of pleasant weather, it risks becoming a transition month marked by the encroaching chill of autumn. Thus, those planning outdoor activities can expect a fair share of sunny days, yet should remain prepared for the variability that this month can bring.

Percentage of Sunny Days in September in Wieliczki

The chart illustrates the percentage of sunny days in Wieliczki 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 Wieliczki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%27%35%33%34%57%46%24%35%38%15%20%
Data source: Wieliczki September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wieliczki in September

As summer wanes in Wieliczki, Poland, September brings a balanced transition in daylight duration, offering approximately 12 hours of sunlight. This month marks a gentle shift from the long, sun-drenched days of summer, where June peaks at 17 hours, to the shorter, more muted days of autumn. Notably, September's daylight aligns with the gradual decline seen in previous months, as the vibrant 16 hours of May and July give way to a cozy 10 hours in October. This trend illustrates not only the changing seasons but also a perfect time for locals and visitors to enjoy the fading warmth of summer while embracing the early whispers of fall.

Average Daylight Hours in Wieliczki for September

The chart illustrates the variation in daylight duration in Wieliczki throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 1m9h 46m11h 53m14h 4m16h17h 1m16h 29m14h 44m12h 38m10h 28m8h 31m7h 27m
Data source: Wieliczki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Wieliczki

In Wieliczki, Poland, September ushers in a gentle breeze, with an average wind speed of 3.7 m/s (8 mph). This marks a slight increase from the calmer summer months, where July and June saw notably lower winds at just 2.7 m/s and 2.8 m/s, respectively. As the year transitions, the winds steadily pick up, preparing for a more invigorating autumn. Following September, a noticeable rise in wind speeds occurs, with October and November reaching 4.3 m/s and 4.4 m/s, illustrating a trend towards more robust winds as the seasons change. The late summer and early fall months in Wieliczki offer a refreshing shift, making way for the cooler, breezier days ahead.

Average September Wind Speed in Wieliczki

The chart displays monthly wind speed patterns in Wieliczki, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.93.83.93.82.82.73.33.7 m/s4.34.44.1
Data source: Wieliczki September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Wieliczki Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures fluctuate from a chilly 1°C (33°F) at night to a warm 27°C (82°F) during the day, with an average temperature of 14°C (57°F). The month experiences moderate rainfall of 69 mm (2.7 in) over approximately 10 days, with humidity levels around 71%. In contrast, January brings much colder temperatures, with nighttime lows plummeting to -24°C (-12°F) and daytime highs reaching only 8°C (47°F). The average temperature for January hovers around -2°C (29°F), and while precipitation is lesser at 45 mm (1.8 in) spread over 12 days, the humidity is notably higher at 92%. For more insights on January weather, check out Wieliczki weather in January.

September and February present stark contrasts in weather. September boasts a mild average temperature of 14°C (57°F), with highs reaching up to 27°C (82°F) and relatively low precipitation of 69 mm (2.7 in) over 10 days. In contrast, February is characterized by much colder conditions, with an average temperature of -1°C (30°F), and minimum temperatures plummeting to -24°C (-10°F). It experiences less precipitation at 39 mm (1.5 in) across 9 days, but notable humidity levels rise to 90%. This dramatic shift encapsulates the transition from the late summer warmth of September to the deep winter chill of February. For further insights, you can explore Wieliczki weather in February.

When comparing the weather in September and March, the differences are quite striking. September typically enjoys a milder climate with average temperatures ranging from 1°C (33°F) at night to a warm 27°C (82°F) during the day, while March experiences much colder conditions, with nighttime lows plummeting to -18°C (-1°F) and daytime highs only reaching 16°C (61°F). Precipitation is also more frequent in September, with 69 mm (2.7 in) falling over approximately 10 days, as opposed to 46 mm (1.8 in) over about 12 days in March. Additionally, March tends to be more humid, reaching 87%, compared to September's 71%. For a detailed look at the weather during this time, you can visit Wieliczki weather in March.

In September, temperatures range from a chilly 1°C (33°F) at night to a warm 27°C (82°F) during the day, with an average temperature of 14°C (57°F). In contrast, April features even cooler conditions, with nighttime lows dipping to -5°C (24°F) and daytimes peaking at 24°C (76°F), averaging around 7°C (45°F). While September experiences more rainfall at 69 mm (2.7 in) over ten days, April is slightly drier with 44 mm (1.7 in) of precipitation over the same number of rainy days. Additionally, September's humidity is recorded at 71%, slightly lower than April's 76%. For a detailed look at April weather, check out Wieliczki weather in April.

When comparing the weather in September and May, we can observe several notable differences. September typically enjoys warmer temperatures, with a minimum of 1°C (33°F) and an average of 14°C (57°F), peaking at 27°C (82°F). In contrast, May starts off cooler, with temperatures dropping to a minimum of -1°C (30°F), averaging 12°C (54°F) and reaching a maximum of 29°C (84°F). Despite this slight edge in warmth, May experiences a bit more precipitation, averaging 74 mm (2.9 in) across 12 days, compared to September's 69 mm (2.7 in) over 10 days. Additionally, September has higher humidity levels at 71%, while May's humidity sits at a relatively lower 58%. For more details, you can explore Wieliczki weather in May.

When comparing the weather in September and June, we see notable differences in temperature and humidity. In June, the temperatures range from a minimum of 3°C (37°F) to a pleasant average of 18°C (65°F), peaking at a maximum of 32°C (90°F). This month experiences mild precipitation levels of 61 mm (2.4 in) over 10 days, accompanied by lower humidity at 56%. In contrast, September exhibits cooler temperatures, with a minimum of 1°C (33°F) and an average of 14°C (57°F), reaching highs of 27°C (82°F). Though it has slightly higher precipitation at 69 mm (2.7 in), the humidity increases to 71%, giving September a more humid feel. For details on June weather in Wieliczki, please visit Wieliczki weather in June.

When comparing the weather in September to that in July, it's clear that July tends to be warmer overall. With average temperatures reaching 18°C (65°F) and highs of 31°C (88°F), July offers a more summery feel. In contrast, September has cooler averages at 14°C (57°F) and can even dip to a minimum of 1°C (33°F). Additionally, July experiences slightly more precipitation (98 mm) over 13 days compared to September's 69 mm over 10 days, and its lower humidity of 59% contributes to a more comfortable atmosphere. For a closer look at July's specific weather, you can check Wieliczki weather in July.

The weather in September is notably cooler than in August, with average temperatures dropping from 18°C (65°F) in August to 14°C (57°F) in September. While August boasts higher maximum temperatures of up to 31°C (89°F), September's highs only reach about 27°C (82°F). Additionally, September experiences more days of rainfall, with precipitation occurring on 10 days and totaling 69 mm (2.7 in), compared to August's 12 rainy days and 84 mm (3.3 in) of precipitation. Humidity also rises in September, averaging 71%, compared to a more comfortable 60% in August. For further details on August weather, visit Wieliczki weather in August.

As September transitions into October, there is a notable shift in weather patterns. September features a wider temperature range with a minimum of 1°C (33°F) and a comfortable average of 14°C (57°F), peaking at a warm 27°C (82°F). In contrast, October brings cooler temperatures, with a minimum dropping to -2°C (28°F) and a lower average of 9°C (48°F), while the maximum reaches 22°C (73°F). Additionally, both months experience similar precipitation levels at 68-69 mm (2.7 inches), but October sees rain on more days—12 compared to September's 10—coupled with a rise in humidity to 86%. For more details, check out Wieliczki weather in October.

September and November weather present a notable contrast in temperature, precipitation, and humidity levels. In September, temperatures range from a low of 1°C (33°F) to a pleasant high of 27°C (82°F), averaging around 14°C (57°F). The month experiences approximately 69 mm (2.7 in) of precipitation over 10 days, with a relative humidity of 71%, making it a relatively mild month.

In stark comparison, November sees a significant drop in temperatures, with a minimum of -7°C (20°F), an average of 4°C (40°F), and a maximum of 16°C (62°F). Precipitation decreases to about 42 mm (1.7 in) over 11 days, but humidity rises substantially to 90%. This shift underscores the transition into the colder months. For more detailed weather insights, check Wieliczki weather in November.

In September, the weather in Wieliczki is relatively mild, with average temperatures ranging from a chilly 1°C (33°F) at night to a warm 27°C (82°F) during the day. The month experiences about 69 mm (2.7 in) of precipitation over 10 days, with humidity at a comfortable 71%. In contrast, December brings much colder temperatures, with lows dipping to -13°C (9°F) and average highs around 10°C (49°F). Although December has slightly less precipitation at 59 mm (2.3 in) over 12 days, the humidity rises significantly to 93%, creating a stark contrast to the more moderate conditions of September. For more details on December weather in Wieliczki, check out Wieliczki weather in December.

Compare Wieliczki's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Wieliczki

As the warmth of summer begins to wane, September in Wieliczki offers a delightful transition with comfortable temperatures and a notable increase in humidity. This month is marked by occasional rain, which adds to the lush greenery of the landscape. While the maximum temperatures still flirt with the upper 20s, the average dips significantly, reflecting the onset of autumn. The combination of mild days and cool nights creates a perfect backdrop for outdoor activities, making it an ideal time to explore the region's natural beauty. For a deeper look into how September weather fits into the overall Wieliczki Climate, feel free to check out Wieliczki Climate.