September Weather in Wisla, Poland

Last updated: August 27, 2025

In September, Wisla, Poland experiences a vibrant transition into autumn, characterized by a maximum temperature reaching 29°C (85°F) and an average of 14°C (58°F). As summer fades, temperatures can dip to a minimum of 2°C (36°F), showcasing the region's brisk charm. Visitors might encounter 117 mm (4.6 in) of precipitation over 14 days, contributing to the lush landscape and fostering a rich atmosphere. With humidity levels around 67%, September in Wisla offers a refreshing yet comfortably cool climate, perfect for outdoor explorations and enjoying the natural beauty of the area.

September Temperature in Wisla

As summer gracefully transitions into autumn, September in Wisla, Poland brings a delightful shift in temperatures. With daily averages hovering around 14°C (58°F), the month showcases a comfortable climate for outdoor exploration. The temperature range remains inviting, with nighttime lows around 2°C (36°F) and daytime highs peaking at a warm 29°C (85°F). This variability not only marks a significant drop from the sultry summer days but also hints at the impending chill of fall. Visitors can relish in the crisp air and vibrant foliage, making September a picturesque month to experience the charm of Wisla before winter sets in.

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

The chart illustrates September temperature patterns in Wisla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wisla, 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 Wisla 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 Wisla

In September, Wisla, Poland experiences 117 mm (4.6 in) of precipitation, continuing the trend of significant rainfall seen throughout the summer months. With 14 days of rain this month, the wet weather maintains a consistent rhythm, reminiscent of August's 124 mm (4.9 in). This pattern reflects a gradual transition from the summer's heavier downpours to the more moderate precipitation expected in October. The rainfall is a vital contributor to the lush greenery that characterizes Wisla, ensuring the landscape remains vibrant as the seasons shift. As autumn approaches, residents can anticipate a slight reduction in both rainfall and rainy days, but September’s substantial totals highlight the lingering warmth and moisture of the closing summer days.

September Precipitation Trends in Wisla

The chart displays monthly precipitation patterns in Wisla, 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 Wisla, 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 Wisla

In September, Wisła, Poland, experiences a slight uptick in humidity, recording 67%, which aligns closely with the summer months. This modest increase marks a transition from the drier conditions of August and hints at the approaching autumn. Throughout the year, humidity levels in Wisła consistently reflect a seasonal pattern, peaking in the colder months of January and February at an impressive 90% and 87% respectively. As summer wanes, the humidity begins to rise again in October, creating a contrast that showcases the region's dynamic climate. This trend indicates that while September remains relatively mild, the anticipation of a return to more humid conditions lies just around the corner.

September Average Humidity in Wisla

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

As summer fades and September arrives in Wisla, Poland, the UV Index settles at a high level of 6, indicating that while the sun's rays are still potent, they are less intense than the peak summer months. This trend reflects a gradual decline from the very high levels experienced in July and June, where caution was paramount due to burn times of just 15 minutes. In contrast, this month's burn time increases to 25 minutes, allowing for more leisurely outdoor activities. With the UV Index expected to drop further in October, those enjoying the early autumn days should remain mindful of sun exposure. For detailed information, check out the Wisla UV Index.

Maximum UV Index Levels in Wisla for September

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

As summer fades, September in Wisla, Poland, offers a delightful blend of warmth and light, boasting 308 hours of sunshine. This month marks a gentle transition from the sun-drenched heights of July and June, which recorded generous hours of sunlight at 423 and 410 respectively. Although the sunny days begin to wane compared to the peak summer months, September still maintains a vibrant glow, providing a perfect backdrop for outdoor adventures amidst the onset of autumn foliage. As the year progresses towards the cooler months, which drop to 260 hours in October and 200 hours in November, September stands out as a cherished time when nature holds onto its brightness a little longer, inviting locals and visitors alike to revel in the lingering warmth.

Monthly Sunshine Duration in Wisla: September Highlighted

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

Chance of Sun in Wisla During September

In September, Wisla, Poland enjoys a 40% chance of sunny weather, making it one of the more favorable months for sunlight as summer winds down. This marks an increase from the earlier months of the year, with sunshine probabilities peaking during the summer and slightly tapering off into autumn. Compared to the 38% chance in July and 34% in August, September holds its ground, showcasing a solid opportunity for enjoying the vibrant natural scenery as the leaves begin to change. As we progress towards the cooler months, the likelihood of sunny days in Wisla remains promising, aligning with the trend of increasing sunshine towards autumn before the weather significantly dips in October and November.

Percentage of Sunny Days in September in Wisla

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

Daylight Hours in Wisla in September

As summer fades, September in Wisła, Poland, ushers in a gentle transition marked by 12 hours of daylight. Following the sun-drenched days of June and July, which boast a peak of 16 hours, daylight begins its gradual retreat, mirroring the approach of autumn. This month serves as a bridge between the long, vibrant days of summer and the shorter, cozier hours of autumn. Interestingly, September still retains more light than the darker winter months, like January, which offers just 8 hours. This seasonal shift not only highlights the beauty of nature's rhythm but also invites residents and visitors to savor the mild weather and lingering sunshine before winter sets in.

Average Daylight Hours in Wisla for September

The chart illustrates the variation in daylight duration in Wisla 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: Wisla daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Wisla

In September in Wisla, Poland, the average wind speed is a gentle 2.6 m/s (6 mph), mirroring the slightly breezy conditions of August. As summer transitions to autumn, the winds remain moderate, creating a serene atmosphere perfect for outdoor activities while hinting at seasonal change. This marks a consistent trend in the latter part of the year, with wind speeds dipping in the warmer months of June through August, before rising again in October to a brisk 3.6 m/s (8 mph). Overall, September encapsulates a moment of calm amidst the shifting seasons, inviting locals and visitors alike to enjoy the tranquil beauty of the region.

Average September Wind Speed in Wisla

The chart displays monthly wind speed patterns in Wisla, 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: Wisla September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Wisla Compares to Other Months

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

September and January present strikingly different weather conditions. In September, temperatures range from a mild 2°C (36°F) to a warm 29°C (85°F), with an average of 14°C (58°F). This month sees 117 mm (4.6 in) of precipitation spread over 14 days, and the humidity sits at a comfortable 67%. In contrast, January is much colder, with temperatures dipping as low as -20°C (-3°F) and only reaching a maximum of 10°C (51°F), averaging around -1°C (30°F). The month has lower precipitation at 56 mm (2.2 in) over 12 days, accompanied by a high humidity level of 90%. For more specific details, you can check out Wisla weather in January.

September and February present starkly contrasting 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). This month also sees considerable precipitation, totaling 117 mm (4.6 in) over approximately 14 days, accompanied by a humidity level of 67%. In contrast, February experiences much colder conditions, with temperatures ranging from a low of -18°C (0°F) to a high of 18°C (64°F), averaging just 1°C (34°F). Although precipitation is lower at 72 mm (2.8 in) over about 13 days, humidity is notably higher at 87%. For further insights on February weather, you can check Wisla weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a chilly 2°C (36°F) at night to a warm 29°C (85°F) during the day, with an average of 14°C (58°F). This month sees an average of 117 mm (4.6 in) of precipitation over 14 days, accompanied by a humidity level of 67%. In stark contrast, March experiences much colder conditions, with temperatures dipping as low as -22°C (-8°F) and reaching up to 20°C (68°F), averaging around 4°C (39°F). Precipitation in March is lower at 61 mm (2.4 in) over the same number of days, but humidity is notably high at 83%. For a more detailed look at the weather in March, check out Wisla weather in March.

In comparing the weather between September and April, we see notable differences in temperature and precipitation. September generally offers milder conditions, with average temperatures ranging from a low of 2°C (36°F) to a high of 29°C (85°F), while April experiences cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 27°C (81°F). Additionally, September has higher precipitation levels, totaling 117 mm (4.6 in) over 14 rainy days, compared to April's 70 mm (2.8 in) spread over 11 days. The humidity in April is slightly higher at 76%, compared to September's 67%. For more detailed information, you can check out Wisla weather in April.

In comparing the weather of September and May, both months exhibit similar maximum temperatures, reaching up to 29°C (85°F). However, September typically enjoys higher average and minimum temperatures, with averages around 14°C (58°F) and a minimum of 2°C (36°F), while May's averages are slightly cooler at 13°C (55°F) with a minimum of -2°C (29°F). Precipitation levels in both months are comparable, with September receiving 117 mm (4.6 in) over 14 days and May slightly wetter at 122 mm (4.8 in) over 18 days. Additionally, humidity is a bit higher in May at 70%, compared to September’s 67%. For more detailed weather insights, check out Wisla weather in May.

September and June present distinct weather profiles, offering a transition from summer warmth to the cooler tones of fall. In June, the temperatures are generally milder, with a minimum of 5°C (42°F) and a maximum of 32°C (89°F), resulting in an average temperature of 18°C (65°F). The humidity is slightly higher in June at 71%, and total precipitation reaches 95 mm (3.8 in) over 14 days.

In contrast, September experiences cooler minimum temperatures of 2°C (36°F) and can reach highs of 29°C (85°F), averaging 14°C (58°F). While September also sees precipitation amounts of 117 mm (4.6 in) over the same span of 14 days, humidity drops slightly to 67%. This comparison highlights the moderate warmth and higher humidity characteristic of June, while September begins to usher in the cooler, crisper air typical of autumn. For more detailed information on June weather, you can visit Wisla weather in June.

In comparing the weather between September and July, we notice some distinct differences. September experiences a wider temperature range, with average temperatures dipping to a minimum of 2°C (36°F) and reaching up to 29°C (85°F), while July consistently maintains warmer temperatures, with a minimum of 7°C (44°F) and a maximum of 33°C (92°F). Precipitation levels are similar, with September receiving 117 mm (4.6 in) over 14 days and July slightly lower at 107 mm (4.2 in) across 16 days. Both months share the same humidity level of 67%, but July's higher average temperatures tend to create a more vibrant summer atmosphere. For more detailed information, you can visit Wisla weather in July.

September's weather presents a noticeable transition from the warmth of August, featuring a minimum temperature that dips to 2°C (36°F) compared to August's 7°C (45°F). The average temperature in September is also lower at 14°C (58°F), while August boasts a more comfortable average of 19°C (67°F). However, September can still reach a maximum of 29°C (85°F), which is slightly cooler than August's peak of 33°C (92°F). Precipitation in September is slightly less than in August, totaling 117 mm (4.6 in) over 14 days compared to August's 124 mm (4.9 in) during the same number of days. Humidity remains similar, with September at 67% and August slightly lower at 64%. For more details, check out Wisla weather in August.

In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), with an average temperature of 14°C (58°F). The month experiences 117 mm (4.6 in) of precipitation over approximately 14 days, accompanied by a humidity level of 67%. In contrast, October brings cooler conditions, with temperatures dipping to a minimum of -3°C (27°F) and reaching a maximum of 25°C (77°F), averaging around 10°C (51°F). Precipitation decreases slightly to 97 mm (3.8 in) over about 12 days, and humidity rises to 83%. For more detailed insights about October weather, you can visit Wisla weather in October.

September and November present notably different weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), with an average temperature of 14°C (58°F). The month sees 117 mm (4.6 in) of precipitation over 14 days, and the humidity averages 67%, making it feel relatively warm and wet. In contrast, November experiences cooler temperatures, with a minimum of -8°C (18°F), a maximum of 19°C (67°F), and an average of 6°C (42°F). The month records significantly less precipitation, at 55 mm (2.1 in) over just 10 days, but the humidity is notably higher at 90%, contributing to a chillier atmosphere. For more detailed insights on the conditions in November, you can check out Wisla weather in November.

September and December showcase stark contrasts in weather. In September, temperatures range from a mild 2°C (36°F) at night to a warm average of 14°C (58°F) during the day, peaking at a pleasant 29°C (85°F). Precipitation in September totals 117 mm (4.6 in) over 14 days, with humidity resting at 67%. In contrast, December brings a more frigid climate, with temperatures dropping to a minimum of -13°C (9°F) and averaging just 1°C (34°F), while reaching a maximum of 15°C (58°F). Although December experiences less precipitation at 86 mm (3.4 in) over 15 days, humidity rises significantly to 91%. For more detailed insights into the December climate, check out Wisla weather in December.

Compare Wisla's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Wisla

As summer gracefully bows out, September in Wisla brings a blend of warm days and cool evenings, making it distinct from the hotter summer months. With an average temperature that dips to a comfortable 14°C, this month offers a refreshing contrast to the peak heat of July and August. Rainfall is more prevalent, with approximately two weeks experiencing precipitation, leading to lush landscapes and vibrant foliage. The 67% humidity adds a touch of softness to the air, contributing to the crisp feel of approaching autumn. For more in-depth insights on what to expect, be sure to visit our page on Wisla Climate.