September Weather in Torun, Poland

Last updated: August 27, 2025

September in Torun, Poland is marked by a delightful mix of warm and cool temperatures, with maximum highs reaching 33°C (91°F) and minimum lows dipping to 2°C (36°F). The month averages a pleasant 15°C (59°F), creating a comfortable climate for both residents and visitors. While rainfall is present, totaling 74 mm (2.9 in) over 10 days, the air remains humid at 75%, adding a refreshing quality to the atmosphere. This transitional month paints a picturesque backdrop for exploring the enchanting streets and historic sites of Torun, making it a captivating time to experience the city's unique charm.

September Temperature in Torun

In September, Torun, Poland, begins to witness the subtle transition from the warmth of summer to the crispness of autumn. With temperatures ranging from a chilly 2°C (36°F) at night to a pleasant 33°C (91°F) during the day, the city offers a refreshing atmosphere for exploring its historic charm. The average temperature settles around 15°C (59°F), creating a comfortable backdrop for outdoor activities. As the month progresses, the lingering warmth of summer gradually gives way to cooler evenings, signaling the approach of fall. This transitional period not only enhances the beauty of the city but also invites visitors to enjoy the picturesque landscapes as the leaves begin to change.

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

The chart illustrates September temperature patterns in Torun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Torun, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333439475666666759514235
Data source: Temperature data for Torun 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 Torun

In September, Torun, Poland experiences a notable transition as summer gives way to autumn, reflected in the precipitation patterns. With an average of 74 mm (2.9 in) of rainfall over 10 days, September marks a slight increase compared to the drier months of late spring and early summer, such as April’s 36 mm and June’s 67 mm. This uptick signals the beginning of a wetter season, yet remains moderate when contrasted with the peak of 106 mm (4.2 in) seen in July. As the days grow shorter and temperatures cool, September’s rain provides a refreshing, if not familiar, rhythm to the natural landscape, preparing it for the upcoming changes of fall.

September Precipitation Trends in Torun

The chart displays monthly precipitation patterns in Torun, 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 Torun, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4041393685671066974643746
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Torun

As September rolls in, Torun, Poland, experiences a noticeable shift in humidity levels, measuring at 75%. This marks a gradual decline from the sweltering summer months, where humidity peaks in August at 65%, yet it still remains higher than the drier spring months, showcasing a dampness characteristic of the transition into autumn. Following this month, humidity spikes again in October, climbing back to 85%, hinting at the oncoming cold season. Overall, September's moderate humidity contributes to a comfortable atmosphere, bridging the gap between the summer's warmth and the chillier fall ahead, demonstrating the region's climatic ebb and flow.

September Average Humidity in Torun

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

As summer fades and autumn approaches in Torun, Poland, the UV Index in September levels off at 5, categorizing the exposure as moderate. This marks a shift from the intense highs of July and August, where the index reached 8 and 7 respectively, indicating very high to high levels of sun exposure requiring caution. With a burn time of 30 minutes, September still calls for vigilance under the sun, similar to the moderate conditions seen in March and April. As the days shorten and temperatures cool, this transitional month signals an opportunity to enjoy the outdoors while remaining mindful of UV exposure. For more detailed insights, visit Torun UV Index.

Maximum UV Index Levels in Torun for September

The chart shows the monthly maximum UV Index (UVI) for Torun 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 Torun typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Torun 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 Torun

In September, Torun, Poland, basks in a delightful 293 hours of sunshine, marking a gentle transition from the sun-drenched days of summer to the cooler embrace of autumn. This month reflects a notable decrease from the height of June and July, where sunlight peaked at over 400 hours, yet retains a substantial glow compared to the dimmer months ahead. As the year progresses, September serves as a bridge, allowing residents and visitors alike to savor the fading warmth before the shorter days of October and November set in, which offer only 241 and 146 hours of sunshine, respectively. This trend highlights September's unique position as a vibrant month where the sun still shines brightly, inviting exploration and enjoyment of Torun’s rich history and stunning architecture.

Monthly Sunshine Duration in Torun: September Highlighted

The September sunshine duration represents the total number of hours Torun 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.
JanFebMarAprMayJunJulAugSepOctNovDec92h184h260h334h389h421h411h380h293h241h146h113h
Data source: Torun September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Torun During September

In Torun, Poland, the likelihood of sunny weather in September stands at 37%, which mirrors the somewhat variable climate of late summer transitioning into fall. As the month unfolds, the chance of sunshine reflects a slight rebound from the peak summer months, where June boasted a robust 57% likelihood, yet July and August saw a dip, with chances dropping to 36% and 29% respectively. Looking ahead to October, the likelihood of sunny days rises again to 43%, indicating an interesting trend where early autumn can still provide pleasant, sunny intervals. Overall, while September may not guarantee abundant sunshine, it holds its own among the other months, offering a mix of both sun and the freshness of early fall.

Percentage of Sunny Days in September in Torun

The chart illustrates the percentage of sunny days in Torun 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 Torun experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%33%40%37%41%57%36%29%37%43%15%26%
Data source: Torun September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Torun in September

As summer transitions into autumn, September in Torun, Poland, experiences a notable shift in daylight duration, offering about 12 hours of sunlight. This marks a gradual decline from the sun-soaked days of July and August, where daylight peaked at 16 and 14 hours, respectively. With each passing month, daylight diminishes, starting from the long days of spring and summer, significantly contrasting with the shorter, darker days that loom ahead in October and November, where daylight drops to 10 and 8 hours. This monthly rhythm not only highlights the changing seasons but also invites inhabitants to embrace the changing atmosphere, with cooler temperatures and the onset of vibrant autumn foliage.

Average Daylight Hours in Torun for September

The chart illustrates the variation in daylight duration in Torun throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 11m9h 51m11h 54m13h 59m15h 50m16h 48m16h 17m14h 38m12h 36m10h 32m8h 40m7h 39m
Data source: Torun daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Torun

As September unfolds in Torun, Poland, the average wind speed of 3.4 m/s (8 mph) provides a gentle reminder of the changing seasons. This month showcases a slight decline from the summer’s warmth, where July and August's winds settled at a moderate 2.8 m/s (6 mph) and 3.2 m/s (7 mph), respectively. As we transition into autumn, September's breezes prepare the landscape for the crispness of October, which sees a noticeable increase to 4.0 m/s (9 mph). This upward trend continues into late autumn with November's winds peaking at 4.1 m/s (9 mph), signifying nature's shift into the colder months. Overall, September acts as a bridge, where the lingering warmth of summer begins to mingle with the briskness of fall, creating a refreshing atmosphere perfect for enjoying the scenic beauty of Torun.

Average September Wind Speed in Torun

The chart displays monthly wind speed patterns in Torun, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.63.63.82.82.83.23.4 m/s4.04.14.0
Data source: Torun September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Torun Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 2°C (36°F) to a warm 33°C (91°F), with an average of 15°C (59°F) and relatively high humidity at 75%. However, this month also experiences notable rainfall, with around 74 mm (2.9 in) over approximately 10 days. In contrast, January plunges into the depths of winter, with temperatures dropping drastically, featuring a minimum of -18°C (0°F) and a maximum of just 12°C (53°F), alongside an average of 0°C (33°F). January sees lower precipitation levels of about 40 mm (1.6 in) across 9 days, but the humidity is higher at 91%. For a closer look at January weather specifics, you can check Torun weather in January.

September and February present stark contrasts in weather. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 33°C (91°F), with an average of 15°C (59°F). This month sees relatively high humidity at 75% and about 74 mm (2.9 inches) of precipitation over 10 days. In contrast, February is much colder, featuring temperatures that span from a minimum of -20°C (-3°F) to a maximum of 16°C (62°F), with an average temperature of just 1°C (34°F). February also has higher humidity at 90% and receives less precipitation, totaling 41 mm (1.6 inches) over 9 days. For more detailed information, you can visit Torun weather in February.

September and March showcase contrasting weather patterns. In September, temperatures range significantly from a minimum of 2°C (36°F) to a warm maximum of 33°C (91°F), with an average temperature of 15°C (59°F). The month sees a moderate amount of precipitation at 74 mm (2.9 in) over 10 days, along with a humidity level of 75%. In contrast, March experiences much cooler temperatures, with a minimum of -16°C (4°F) and a maximum of 18°C (64°F), averaging just 4°C (39°F). Precipitation is lower at 39 mm (1.5 in), also spread over 10 days, but humidity is slightly higher at 87%. For more detailed information, check out Torun weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation patterns. September experiences warmer temperatures, with a minimum of 2°C (36°F) and a maximum reaching up to 33°C (91°F), while April has a chillier minimum of -3°C (26°F) and a maximum of 26°C (80°F). Furthermore, September is generally wetter, with 74 mm (2.9 in) of precipitation over 10 days, compared to April's lighter rainfall of 36 mm (1.4 in) across 9 days. Humidity levels are also slightly higher in April at 79%, compared to 75% in September. For more detailed insights, you can check this link: Torun weather in April.

When comparing the weather in September and May, several notable differences emerge. September tends to be warmer, with average temperatures reaching 15°C (59°F) compared to May's 13°C (56°F). However, September can experience higher maximum temperatures, peaking at 33°C (91°F) compared to May's maximum of 28°C (83°F). On the other hand, May has slightly more precipitation, with 85 mm (3.3 in) of rainfall over 13 days, while September receives 74 mm (2.9 in) across 10 days. Additionally, humidity levels are higher in September at 75% compared to 63% in May. For more details on the weather in May, check Torun weather in May.

In comparing the weather of September and June, both months showcase mild temperatures but with some notable distinctions. September experiences temperatures ranging from a chilly 2°C (36°F) at night to a warm 33°C (91°F) during the day, averaging around 15°C (59°F). In contrast, June begins at a slightly higher minimum of 5°C (41°F) and peaks at 34°C (94°F), with an average temperature of 19°C (66°F). While September sees a bit more precipitation at 74 mm (2.9 in) over approximately 10 rainy days, June is relatively drier with 67 mm (2.6 in) during the same number of days. Additionally, humidity levels are higher in September at 75%, compared to June's 61%. For more details, check out Torun weather in June.

In comparing the weather of September and July, September tends to be cooler with a minimum temperature of 2°C (36°F) and an average of 15°C (59°F), while July starts warmer at a minimum of 8°C (47°F) and an average of 19°C (67°F). The peak temperature in July can reach as high as 35°C (96°F), compared to September's maximum of 33°C (91°F). Precipitation is also more pronounced in July, with 106 mm (4.2 in) falling over 13 days, compared to September's 74 mm (2.9 in) over 10 days. Additionally, July has lower humidity at 63%, while September experiences a higher average humidity of 75%. For more detailed insights, you can refer to Torun weather in July.

In comparing the weather between August and September, we notice a shift in temperatures and humidity levels. September experiences a wider range, with minimum temperatures dropping to 2°C (36°F) compared to August's minimum of 7°C (46°F), while the average temperature falls from 19°C (67°F) in August to 15°C (59°F) in September. Despite having similar maximum temperatures of 33°C (91°F) in September and 33°C (92°F) in August, September's humidity is notably higher at 75% compared to August's 65%. Additionally, September sees slightly increased precipitation at 74 mm (2.9 in) over 10 days, compared to August's 69 mm (2.7 in) over the same number of days. For more details about the weather in August, you can visit Torun weather in August.

In September, the weather is characterized by a wider temperature range, with minimums of 2°C (36°F) and maximums reaching up to 33°C (91°F), resulting in an average temperature of 15°C (59°F). Rainfall is relatively high, with 74 mm (2.9 in) spread over 10 days and humidity levels at about 75%. In contrast, October brings cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 23°C (74°F), averaging 11°C (51°F). While precipitation decreases slightly to 64 mm (2.5 in) over 11 days, humidity rises to 85%, creating a damp feel. For a more detailed look at the weather patterns, visit Torun weather in October.

In September, the weather is quite warm, with average temperatures around 15°C (59°F) and highs reaching up to 33°C (91°F), while the minimum temperature remains relatively mild at 2°C (36°F). The month experiences significant rainfall, with 74 mm (2.9 in) over about 10 days, and humidity levels sit at 75%.

In contrast, November brings much cooler temperatures, with averages dropping to 6°C (43°F) and maximums peaking at 18°C (64°F). The minimum temperature can fall to minus 5°C (24°F), making it a stark shift from September’s warmth. Rainfall decreases to 37 mm (1.5 in) over about 8 days, but humidity remains high at 90%. For more specific details on the climate in this month, you can check Torun weather in November.

September weather in Torun features a wide range of temperatures, with minimums around 2°C (36°F) and maximums reaching up to 33°C (91°F), averaging 15°C (59°F). The month experiences moderate rainfall of 74 mm (2.9 in) over about 10 days, accompanied by a humidity level of 75%. In contrast, December's climate is quite different, with significantly colder temperatures—minimums dropping to -17°C (1°F) and maximums peaking at 12°C (55°F), averaging only 2°C (35°F). The precipitation in December is lower at 46 mm (1.8 in), though it occurs slightly more frequently, over 12 days, and the humidity is notably higher at 93%. For a closer look at the conditions you can expect in December, you can visit Torun weather in December.

Compare Torun's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Torun

As September rolls into Torun, the transition from the warmth of summer to the crispness of autumn becomes evident. While daytime temperatures can still reach a balmy 33°C (91°F), the average cools significantly, settling around 15°C (59°F), inviting guests to enjoy the city's rich history and vibrant culture in a comfortable climate. With an increase in humidity at 75% and occasional rains, September may see up to 10 days of precipitation, distinguishing it from the drier summer months. This blend of warm days and refreshing evenings makes September a unique time to experience Torun’s charm, as the leaves begin to change and the air takes on a more invigorating quality. Discover more about how September compares with other months at Torun Climate.