September Weather in Zvolen, Slovakia

Last updated: August 31, 2025

September in Zvolen, Slovakia is marked by a pleasant blend of warmth and coolness, with temperatures ranging from a maximum of 28°C (83°F) to a minimum of -2°C (29°F), yielding an average of 14°C (58°F). The city experiences approximately 75 mm (2.9 in) of precipitation over 8 days, contributing to an overall humidity level of 67%. This combination of moderate temperatures and occasional rain makes September a refreshing month, ideal for exploring the picturesque landscapes and rich history of Zvolen.

September Temperature in Zvolen

As September rolls into Zvolen, Slovakia, the transition from summer to autumn is evident in the cooling temperatures. With minimums dipping to -2°C (29°F) and averages settling around 14°C (58°F), the month maintains a pleasant warmth during the day, peaking at a comfortable 28°C (83°F). This gradual change marks a shift from the heat of July and August, which often boast highs above 30°C (86°F). Nature begins to show signs of transformation, inviting residents and visitors to relish the crisp air and vibrant landscapes. Overall, September serves as a gentle prelude to the upcoming chill of autumn, with enough warmth to still enjoy outdoor activities while appreciating the changing hues of the season.

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

The chart illustrates September temperature patterns in Zvolen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zvolen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec283339475565666657484032
Data source: Temperature data for Zvolen 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 Zvolen

September in Zvolen, Slovakia, brings an average precipitation of 75 mm (2.9 in) across approximately 8 days, signaling a gradual shift as summer wanes. This amount marks a notable decrease from the rainy summer months, particularly May and June, which typically experience the highest rainfall. The trend showcases a transition into autumn, where the landscapes begin to show hints of change, with rainfall tapering off in comparison to the earlier, wetter months. Despite this decline, September remains a significant month for precipitation, often providing a refreshing reprieve as temperatures cool. As the season progresses into October, Zvolen can expect a slight uptick in rainfall, suggesting that the moisture of early autumn will continue to play a crucial role in the region's ecological landscape.

September Precipitation Trends in Zvolen

The chart displays monthly precipitation patterns in Zvolen, 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 Zvolen, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec37564859111122979975776775
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zvolen

In Zvolen, Slovakia, September marks a subtle transition from the summer's drier atmosphere, as humidity levels stabilize at 67%. This slight uptick compared to the preceding months reflects the onset of autumn, where days gradually become cooler and moisture levels begin to rise again. The month can be characterized as the tail end of a summer haze, with humidity decreasing from a peak of 70% in May and continuing its downward trend until August, when it reaches its lowest point. As the year progresses towards October, humidity climbs back to 83%, paving the way for the wetter months ahead. This pendulum of moisture, dipping and rising throughout the year, illustrates Zvolen's distinct seasonal rhythm.

September Average Humidity in Zvolen

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

As summer transitions to autumn in Zvolen, Slovakia, the UV Index sees a notable decline in September, dropping to 6, which falls into the high exposure category. This marks a shift from the intense sunshine experienced during the peak summer months of June and July, both recording a maximum index of 9 and a very high exposure level. However, September still requires caution, with a burn time of 25 minutes under direct sunlight, making it essential to stay protected while enjoying outdoor activities. As we move into October, the UV Index further decreases to 4, suggesting a gradual decline in sun intensity. So, be sure to stay informed about the UV Index throughout the year to safeguard your skin. For more detailed information, check out Zvolen UV Index.

Maximum UV Index Levels in Zvolen for September

The chart shows the monthly maximum UV Index (UVI) for Zvolen 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 Zvolen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Zvolen 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 Zvolen

In Zvolen, Slovakia, September often embodies a lovely transition from the sun-drenched days of summer to the crispness of autumn. With 327 hours of sunshine, this month enjoys a significant glow, though it reflects a notable decline from the sunniest days of July and June, which boast over 400 hours each. As the lush greens of summer begin to fade, September retains a warm ambiance, allowing residents and visitors alike to savor the last warmth before the days shorten further. This month serves as a reminder of the high summer peaks, fitting snugly in a spectrum that starts with the coldest January at just 154 hours and flows toward the muted light of November. Overall, September captures a subtle balance of brightness, setting the stage for the cozy charm of Slovak autumn.

Monthly Sunshine Duration in Zvolen: September Highlighted

The September sunshine duration represents the total number of hours Zvolen 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h208h299h334h377h416h426h397h327h264h195h163h
Data source: Zvolen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zvolen During September

In Zvolen, Slovakia, September offers a promising 49% chance of sunny weather, marking a notable increase as summer fades. This month stands out with one of the highest probabilities for sunshine, surpassing the averages seen in both May and August. After the sunniest month of June at 52%, September offers a delightful blend of pleasant warmth while ushering in the autumn vibe. As the year progresses, there's a general tendency toward fluctuating sun exposure, yet September maintains a consistent brightness, making it an ideal time for outdoor activities before the cooler months set in.

Percentage of Sunny Days in September in Zvolen

The chart illustrates the percentage of sunny days in Zvolen 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 Zvolen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%40%48%36%37%52%41%35%49%50%30%25%
Data source: Zvolen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zvolen in September

As summer fades and autumn approaches, September in Zvolen, Slovakia, marks a gentle transition in daylight duration, offering about 12 hours of sunlit hours. This month reflects the gradual decrease from the long, bright days of June, which peaks at 16 hours, to the shorter daylight of October with only 10 hours. The trend showcases a steady decline from the vibrant spring and summer months, where daylight stretches luxuriously from March’s 11 hours to August’s 14 hours. September serves as a reminder of the seasonal rhythm, balancing the lingering warmth of summer with the crisp embrace of fall, inviting inhabitants to savor the beauty of nature as days slowly shorten.

Average Daylight Hours in Zvolen for September

The chart illustrates the variation in daylight duration in Zvolen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 47m10h 11m11h 55m13h 42m15h 15m16h 3m15h 37m14h 15m12h 32m10h 45m9h 10m8h 20m
Data source: Zvolen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Zvolen

As September arrives in Zvolen, Slovakia, the gentle breezes reflect a subtle shift in the seasons, with an average wind speed of 1.9 m/s (4 mph). This marks the continuation of a trend seen throughout the summer months, where wind speeds remained relatively low, peaking slightly in May at 2.5 m/s (6 mph). While September's winds mirror the calmness of the late summer, they hint at the onset of autumn, setting the stage for the cooler months ahead. Following this serene September, the winds briefly increase to 2.0 m/s (4 mph) in October, showcasing a slight seasonal variability that characterizes the region's transitional periods. Overall, Zvolen’s wind pattern remains gentle, offering a tranquil backdrop to the beauty of the changing leaves and the crispness of the approaching fall.

Average September Wind Speed in Zvolen

The chart displays monthly wind speed patterns in Zvolen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.02.22.32.51.82.01.91.9 m/s2.01.92.1
Data source: Zvolen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Zvolen Compares to Other Months

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

September and January present strikingly different weather patterns. In September, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 28°C (83°F), with an average temperature of 14°C (58°F). The month sees about 75 mm (2.9 in) of precipitation spread over 8 days, accompanied by a humidity level of 67%. In contrast, January is much colder, with temperatures dipping to a minimum of -27°C (-16°F) and only reaching a maximum of 10°C (50°F), averaging -2°C (28°F). Although January has less precipitation at 37 mm (1.4 in) over 9 days, it experiences higher humidity at 90%. For a detailed look at Zvolen's weather, you can check Zvolen weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant average of 14°C (58°F), peaking at a warm 28°C (83°F). The month experiences some precipitation, with 75 mm (2.9 in) spread over approximately 8 days, while humidity hovers around 67%. In contrast, February is much colder, with temperatures dropping to a minimum of -17°C (2°F) and an average of just 1°C (33°F), reaching a maximum of 16°C (62°F). Precipitation is slightly lower at 56 mm (2.2 in), but it occurs over more days, totaling around 11, and the humidity is notably higher at 87%. For a detailed look at February weather, check out Zvolen weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 28°C (83°F), averaging comfortably at 14°C (58°F). The month experiences about 75 mm (2.9 in) of precipitation over approximately 8 days, accompanied by a moderate humidity of 67%. In contrast, March is much colder, with temperatures dipping to a minimum of -14°C (7°F) and peaking at a maximum of 20°C (68°F), averaging only 4°C (39°F). While March sees less precipitation at 48 mm (1.9 in), it has a slightly higher occurrence of rainy days at 9 and a notable humidity of 83%. For more detailed information, check out Zvolen weather in March.

September and April display distinct weather patterns, reflecting the transition between seasons. In September, temperatures range from a chilly -2°C (29°F) at night to a pleasant high of 28°C (83°F) during the day, with an average temperature of 14°C (58°F). The month sees approximately 75 mm (2.9 in) of precipitation over about 8 days, coupled with a humidity level of 67%. In contrast, April's temperatures are cooler, swinging from a minimum of -7°C (20°F) to a maximum of 24°C (76°F), with an average of 8°C (47°F). It experiences slightly less rainfall at 58 mm (2.3 in) over about 10 days and a higher humidity of 76%. For a detailed look at the weather specifics for April, you can visit Zvolen weather in April.

In comparing the weather of September and May, both months exhibit similarly low minimum temperatures of -2°C (29°F), but May tends to see slightly cooler averages, with 13°C (55°F) compared to September's average of 14°C (58°F). Maximum temperatures are also comparable, reaching up to 27°C (80°F) in May and 28°C (83°F) in September. However, May experiences significantly more precipitation, with 111 mm (4.4 in) over 17 days, while September has 75 mm (2.9 in) over just 8 days. This leads to a slightly higher humidity level in May at 70%, compared to 67% in September. For those interested in more details about May weather specifically, you can check Zvolen weather in May.

September and June exhibit distinct weather patterns that reflect the transition from summer to autumn. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 28°C (83°F), with an average of 14°C (58°F). This month experiences an average precipitation of 75 mm (2.9 in) over 8 days, accompanied by humidity levels around 67%. In contrast, June showcases warmer temperatures, with a minimum of 3°C (39°F), an average of 18°C (65°F), and a maximum reaching 33°C (92°F). Precipitation in June is higher at 122 mm (4.8 in) over 15 days, and humidity slightly increases to 71%. For more details about June weather in Zvolen, you can visit Zvolen weather in June.

When comparing the weather in September to July, notable differences emerge. September experiences a wider temperature range, with minimums dipping to -2°C (29°F) and maximums reaching 28°C (83°F), averaging 14°C (58°F). In contrast, July is generally warmer, with minimum temperatures of 4°C (40°F) and maximums soaring up to 32°C (90°F), averaging 19°C (66°F). Precipitation levels are higher in July, with 97 mm (3.8 in) falling over 17 days, compared to September’s 75 mm (2.9 in) over 8 days. Interestingly, humidity remains consistent at 67% in both months. For a detailed look at July’s weather, visit Zvolen weather in July.

September experiences a broader temperature range compared to August, with minimums dropping to -2°C (29°F) and maximums reaching up to 28°C (83°F), while August maintains milder temperatures between 4°C (40°F) and 33°C (91°F). The average temperature in September is cooler at 14°C (58°F), in contrast to August’s warmer average of 19°C (67°F). Precipitation is slightly lower in September at 75 mm (2.9 in) over 8 days, compared to August’s 99 mm (3.9 in) across 11 days. Humidity levels remain fairly similar, with September at 67% and August at 64%. For more details, you can check out Zvolen weather in August.

September and October display a noticeable shift in weather patterns. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 28°C (83°F), with an average of 14°C (58°F), offering a warmer and more temperate climate. However, as October arrives, the temperature drops slightly, with minimums reaching -3°C (26°F) and maximums capping at 22°C (71°F), resulting in an average of 9°C (49°F). Both months experience significant precipitation, with September recording 75 mm over 8 days and October increasing slightly to 77 mm over 9 days. Additionally, October brings higher humidity at 83%, compared to September's 67%, contributing to a more damp sensation in the air. For a closer look at what to expect, check out Zvolen weather in October.

September typically offers a broader range of temperatures, with daily highs reaching up to 28°C (83°F) and lows dipping to -2°C (29°F). This month experiences an average temperature of 14°C (58°F) and sees about 75 mm (2.9 in) of precipitation over 8 days, contributing to a relatively comfortable humidity level of 67%.

In contrast, November brings a notable drop in temperatures, with an average of just 4°C (40°F) and highs peaking at 18°C (65°F). The minimum temperatures can fall to a chilly -9°C (16°F). Precipitation in November decreases slightly to 67 mm (2.6 in) spread over 10 days, while humidity rises significantly to 90%. For more detailed information, you can check Zvolen weather in November.

In September, the weather is marked by a wide range of temperatures, with a minimum of -2°C (29°F) and a pleasant average of 14°C (58°F), culminating in maximums reaching 28°C (83°F). The month experiences moderate precipitation with about 75 mm (2.9 in) over roughly 8 days, creating a relatively comfortable humidity level of 67%.

In contrast, December brings much colder conditions, with minimum temperatures plummeting to -18°C (0°F) and an average settling at a chilly 0°C (32°F). Maximum temperatures are noticeably lower, reaching only 10°C (50°F). Precipitation remains similar, at 75 mm (3.0 in), but it occurs over a greater number of days (13), contributing to a higher humidity of 91%. For a more detailed overview of December weather, you can check out Zvolen weather in December.

Compare Zvolen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Zvolen

As September arrives in Zvolen, the weather marks a shift from the warmth of summer to the coolness of autumn. With temperatures averaging a comfortable 14°C (58°F) and occasional peaks reaching up to 28°C (83°F), the month offers a delightful range for outdoor activities. Unlike the more humid and rainy summer months, September experiences moderate precipitation with around 75 mm (2.9 in) spread over just 8 days, creating a refreshing yet pleasant atmosphere. The increasing humidity of 67% hints at the upcoming seasonal change, making it a perfect time to explore the beauty of Zvolen's landscapes before the chill of winter sets in. To learn more about the climate conditions throughout the year, check out Zvolen Climate.