September Weather in Zamosc, Poland

Last updated: August 27, 2025

In September, the charming town of Zamość, Poland experiences a blend of comfortable warmth and refreshing autumnal crispness. With maximum temperatures reaching 29°C (84°F) and an average of 15°C (59°F), this month marks a transition that is both pleasant and invigorating. However, the temperature can dip as low as 1°C (35°F), reminding visitors of the approaching chill. Rainfall is common, with an accumulation of 81 mm (3.2 in) over 9 days, contributing to a 70% humidity that enriches the vibrant landscapes. As nature shifts from the summer heat, September in Zamość offers a perfect backdrop for exploring its historical architecture and scenic beauty.

September Temperature in Zamosc

In September, Zamość, Poland, transitions into a pleasantly mild climate, with temperatures starting to dip from the summer highs. The month showcases a notable shift, with minimum temperatures averaging 1°C (35°F) and maximums reaching a comfortable 29°C (84°F). With an average of 15°C (59°F), September offers a refreshing blend of warmth, making it an ideal time for outdoor activities and exploring the charming architecture of the city. Unlike the preceding summer months, where highs soared into the mid-30s, September’s cooler evenings invite residents and visitors alike to enjoy the crisp autumn air, while the lingering warmth encourages lingering strolls through Zamość’s picturesque streets. This month serves as a delightful bridge between the vibrant summer and the upcoming chill of autumn, highlighting Zamość's shifting seasonal charm.

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

The chart illustrates September temperature patterns in Zamosc, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zamosc, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293238485766686758504134
Data source: Temperature data for Zamosc 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 Zamosc

September in Zamość, Poland, welcomes the transition into autumn with 81 mm (3.2 in) of precipitation over 9 days, keeping the landscape lush and vibrant. This marks a slight decrease compared to the previous month, where August saw 83 mm (3.3 in) of rainfall spread across 13 days. The trend of summer providing ample moisture continues, illustrated by the relatively consistent rainfall from May through September, where amounts hovered between 81 mm and 90 mm. As the days grow shorter and cooler, the precipitation patterns hint at a shift towards more stable autumn weather, yet still reflect enough humidity to sustain the region's natural beauty.

September Precipitation Trends in Zamosc

The chart displays monthly precipitation patterns in Zamosc, 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 Zamosc, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec405044438790908381603956
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zamosc

In September, humidity levels in Zamość, Poland, settle at 70%, marking a notable shift from the summer months when humidity lingered around a comfortable 60%. As autumn approaches, the air begins to feel a bit heavier, reflecting the transition from the drier conditions experienced in June, July, and August. This rise in humidity prepares the region for the wetter, chillier months ahead, with October seeing a significant jump back up to 86%. Overall, September serves as a bridge, blending the warmth of summer with the coolness of fall, as the town's atmosphere transforms alongside the changing season.

September Average Humidity in Zamosc

This chart illustrates the average monthly humidity levels in Zamosc, 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 Zamosc is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%77%62%61%61%60%70%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Zamosc

As summer fades into autumn, September in Zamosc, Poland marks a transition in UV exposure, with the UV Index dropping to 6, categorized as high. This indicates that while the sun is still quite powerful, it's less intense than the peak summer months of July and August when the index reached 8. Thus, despite the pleasant temperatures, residents and visitors should still be mindful of sun protection, with a burn time of approximately 25 minutes for unprotected skin. As the year progresses into October, the UV Index will continue to decline, offering a gentler sun that demands less caution. For more detailed information on the UV Index trends throughout the year, visit Zamosc UV Index.

Maximum UV Index Levels in Zamosc for September

The chart shows the monthly maximum UV Index (UVI) for Zamosc 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 Zamosc typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Zamosc 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 Zamosc

September in Zamość, Poland, brings a delightful transition from the vibrant summer months to the gentle embrace of autumn. With 303 hours of sunshine, this month balances warmth and cooler breezes, marking a significant drop from July's peak of 425 hours but maintaining a healthy glow compared to the frigid winter months ahead. The gradual decline in daylight hours begins after the sun-drenched summer, where June and July basked in 416 and 425 hours respectively. As the season shifts, September remains a comforting bridge, ushering in the colorful foliage while still offering ample sunshine for outdoor enjoyment, reminding locals and visitors alike of the lingering charm of late summer.

Monthly Sunshine Duration in Zamosc: September Highlighted

The September sunshine duration represents the total number of hours Zamosc 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.
JanFebMarAprMayJunJulAugSepOctNovDec125h180h270h331h379h416h425h397h303h246h182h123h
Data source: Zamosc September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zamosc During September

In Zamosc, Poland, September marks a transitional period with a 34% chance of sunny weather. This figure reflects a slight increase from the summer months, as August sees a lower likelihood of sunshine at 31%. Comparatively, the sunny prospects in September are similar to the early spring months, showing that while summer may linger, the onset of autumn begins to influence the weather. As the year progresses, October brings a promising 50% chance of sun, illustrating a notable fluctuation that keeps residents and visitors alike on their toes. Therefore, September offers a moderate opportunity for enjoying those last rays of summer sunshine before the cooler months take hold.

Percentage of Sunny Days in September in Zamosc

The chart illustrates the percentage of sunny days in Zamosc 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 Zamosc experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%24%32%36%38%50%42%31%34%50%25%15%
Data source: Zamosc September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zamosc in September

As September unfolds in Zamość, Poland, residents experience a gradual transition from the long, sun-drenched days of summer to the shorter daylight hours of autumn. With 12 hours of daylight, September marks a noticeable dip from the vibrant 15 hours available in May and 16 hours in June. This decline sets the stage for the cozy embrace of fall, as daylight steadily wanes towards October's 10 hours. The month serves as a beautiful reminder of nature's rhythms, bridging the sunlit warmth of summer with the cooler, quieter days ahead. While daylight diminishes, the early autumn glow creates a unique charm, inviting locals and visitors alike to savor the season's splendor before the shorter days of winter settle in.

Average Daylight Hours in Zamosc for September

The chart illustrates the variation in daylight duration in Zamosc throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 54m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 39m8h 55m8h
Data source: Zamosc daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Zamosc

As September arrives in Zamosc, Poland, the winds begin to pick up slightly, with an average speed of 3.3 m/s (7 mph). This subtle increase marks a transition from the stillness of summer, where July and August saw the lowest winds at 2.6 m/s (6 mph) and 3.0 m/s (7 mph), respectively. As autumn sets in, the winds start to mirror the ascending trend seen in earlier months like January and October, both averaging around 3.9 m/s (9 mph). This gentle breeze of September not only signals the changing seasons but also invites a refreshing chill, hinting at the lively gusts that will characterize the months ahead.

Average September Wind Speed in Zamosc

The chart displays monthly wind speed patterns in Zamosc, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.64.03.43.53.82.62.73.03.3 m/s3.93.93.9
Data source: Zamosc September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Zamosc Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a cool 1°C (35°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (59°F). The month experiences about 81 mm (3.2 in) of precipitation over 9 days, and humidity levels sit at a moderate 70%. In contrast, January brings much colder temperatures, with nighttime lows plummeting to -22°C (-7°F) and daytime highs only reaching 10°C (49°F), averaging around -1°C (30°F). Additionally, January sees lower precipitation of 40 mm (1.6 in) over 10 days, but humidity is noticeably higher at 92%. For more details about January weather, check out Zamosc weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 1°C (35°F) at night to a warm 29°C (84°F) during the day, making it a pleasant month with an average temperature of 15°C (59°F). However, it also experiences a fair amount of rainfall, with 81 mm (3.2 in) of precipitation over 9 days, and humidity levels around 70%.

In contrast, February is characterized by much colder temperatures, with lows plunging to -21°C (-5°F) and an average of 0°C (32°F), peaking at just 12°C (54°F). Although precipitation is lower at 50 mm (2.0 in) across 11 days, the higher humidity at 89% can create a damp chill in the air. For those interested in further details on February weather, you can check Zamosc weather in February.

In comparing the weather between September and March, significant differences emerge. September boasts a milder temperature range with a minimum of 1°C (35°F) and an average of 15°C (59°F), peaking at a warm 29°C (84°F). In contrast, March is much colder, with temperatures dipping as low as -26°C (-14°F) and averaging only 3°C (38°F), while the maximum reaches 19°C (66°F). September also experiences more rainfall, totaling 81 mm (3.2 in) across 9 days, while March sees only 44 mm (1.7 in) of precipitation over 11 days. Additionally, March has a higher humidity level at 87%, compared to September's 70%. For more details on March weather specifics, check out Zamosc weather in March.

September and April present quite contrasting weather conditions. In September, temperatures range from a chilly minimum of 1°C (35°F) to a warm maximum of 29°C (84°F), with an average of 15°C (59°F). The month experiences around 81 mm (3.2 in) of precipitation over the course of 9 days, with humidity hovering at 70%. Conversely, April typically sees cooler temperatures, with a minimum of -7°C (21°F) and a maximum of 27°C (81°F), averaging around 9°C (48°F). It receives less rainfall, measuring approximately 43 mm (1.7 in) over 9 days, and has slightly higher humidity levels at 77%. For more detailed insights, check out Zamosc weather in April.

In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 29°C (84°F), with an average of 15°C (59°F), making it generally warmer than May, which sees temperatures from a minimum of -1°C (30°F) to a maximum of 28°C (83°F) and an average of 14°C (57°F). While both months experience considerable precipitation, September receives 81 mm (3.2 in) over 9 days, slightly less than May’s 87 mm (3.4 in) spread across 15 days. Additionally, September has a higher humidity level at 70%, compared to May’s more comfortable 62%. For more detailed insights into May's weather, you can check Zamosc weather in May.

In comparing the weather of September and June, it’s evident that June tends to be warmer, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 33°C (91°F) compared to September’s cooler range of 1°C (35°F) to 29°C (84°F). However, September experiences slightly higher humidity at 70% versus June's 61%, creating a different feel to the air despite June's higher temperatures. Additionally, while both months receive substantial precipitation, September has 81 mm (3.2 in) over 9 days, while June sees a bit more at 90 mm (3.5 in) spread over 13 days. For more detailed insights, you can check Zamosc weather in June.

The weather in September and July presents a stark contrast in temperature and overall conditions. September boasts a wider temperature range, with a minimum of 1°C (35°F), an average of 15°C (59°F), and a maximum of 29°C (84°F). In comparison, July's temperatures are generally higher, starting at a minimum of 7°C (45°F), averaging 20°C (68°F), and peaking at 36°C (97°F). Precipitation levels are also notable, with September receiving 81 mm (3.2 in) over 9 rainy days, while July has a slightly higher precipitation of 90 mm (3.5 in) spread over 15 days. Additionally, the humidity is higher in September at 70%, compared to July's 60%. For more detailed information regarding July’s weather conditions, check out Zamosc weather in July.

In September, the weather cools down significantly compared to August, with minimum temperatures dropping to 1°C (35°F) and an average of 15°C (59°F). In contrast, August enjoys warmer days with minimums around 8°C (47°F) and averages peaking at 20°C (68°F). Although both months experience similar levels of precipitation, with September receiving 81 mm (3.2 in) over 9 days and August slightly higher at 83 mm (3.3 in) across 13 days, the humidity in September is notably higher at 70% compared to August's 60%. For a more detailed look at August's weather, you can visit Zamosc weather in August.

In September, temperatures range from a cool 1°C (35°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (59°F). The month experiences 81 mm (3.2 in) of rainfall over 9 days, accompanied by a humidity level of around 70%. In contrast, October brings a notable drop in daytime temperatures, peaking at 23°C (75°F) and averaging just 10°C (50°F), with nightly lows dipping to -2°C (29°F). Precipitation decreases to 60 mm (2.4 in) over the same 9 days, while humidity rises to 86%. For a closer look at the weather in October, you can visit Zamosc weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 29°C (84°F), with an average of 15°C (59°F). The month sees 81 mm (3.2 in) of precipitation over 9 days, accompanied by a humidity level of 70%. In contrast, November experiences cooler temperatures, with a range from -9°C (16°F) to 19°C (66°F) and an average temperature of 5°C (41°F). Although it has lower overall precipitation at 39 mm (1.6 in) over the same number of days, humidity rises to a higher 90%. For more detailed insights into November weather, visit Zamosc weather in November.

In September, the weather features a wide temperature range, with minimums hovering around 1°C (35°F) and maximums reaching up to 29°C (84°F), resulting in an average temperature of about 15°C (59°F). This month typically experiences 81 mm (3.2 in) of precipitation over 9 days and maintains a relatively moderate humidity level of 70%. In contrast, December sees a much colder climate, with temperatures ranging from a minimum of -13°C (10°F) to a maximum of 13°C (56°F), yielding an average temperature of only 1°C (34°F). While December has less precipitation at 56 mm (2.2 in) spread over 13 days, the humidity is significantly higher at 92%. For more detailed information, you can check Zamosc weather in December.

Compare Zamosc's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Zamosc

As September unfolds in Zamosc, the weather starts to shift, marking a transition from the warmth of summer to the coolness of autumn. With maximum temperatures still reaching a pleasant 29°C (84°F), the month retains some heat, although the average cools to a crisp 15°C (59°F). This drop, coupled with increased humidity around 70%, creates an invigorating atmosphere, perfect for outdoor activities. Rainfall also makes its presence known, with 81 mm (3.2 in) spread across 9 days, adding a refreshing touch to the landscape. September’s blend of warm days and cooler nights sets it apart from the preceding summer months, making it an ideal time to explore the picturesque charm of Zamosc. For more insights into the weather patterns, check out Zamosc Climate.