September Weather in Sopron, Hungary

Last updated: August 21, 2025

In September, the weather in Sopron, Hungary offers a delightful transition from summer to autumn. With maximum temperatures reaching 30°C (86°F) and a comfortable average of 16°C (62°F), the month showcases a blend of warm days and cooler evenings. However, visitors should be prepared for variable conditions, as a minimum temperature of 2°C (35°F) is possible. Rainfall is also a factor, with 9 days experiencing precipitation totaling 94 mm (3.7 in), contributing to a humidity level of around 65%. This intriguing mix of warmth and moisture creates a unique atmosphere, perfect for exploring the charming streets of Sopron.

September Temperature in Sopron

In September, Sopron embraces the transition from summer to autumn with refreshing temperatures, offering a delightful range for visitors. The month kicks off with mild lows of 2°C (35°F) and peaks at a comfortable 30°C (86°F), creating a perfect climate for outdoor adventures. With an average temperature of 16°C (62°F), you can expect pleasantly brisk mornings and warm afternoons. As summer’s warmth begins to fade, the scenery transforms, painting the landscape in rich autumn hues. Whether you're exploring the historic streets or enjoying local wines, September in Sopron is truly a harmonious blend of warmth and early autumn charm.

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

The chart illustrates September temperature patterns in Sopron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sopron, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343843525969707161534337
Data source: Temperature data for Sopron 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 Sopron

In September, Sopron, Hungary experiences a notable uptick in precipitation, with 94 mm (3.7 in) of rainfall measured across 9 rainy days. This marks a continued increase from the preceding months, as August's 90 mm (3.6 in) of rain set the stage for September's wetter climate. The shift toward a wetter late summer and early autumn suggests a transition in weather patterns, making September a significant month for moisture accumulation in the region. As the year progresses, the trend hints at an impending decline in rainfall, with October's average dropping to 48 mm (1.9 in), yet September stands out as a peak in the seasonal cycle.

September Precipitation Trends in Sopron

The chart displays monthly precipitation patterns in Sopron, 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 Sopron, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec323335418674839094485253
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sopron

In September, Sopron experiences a comforting shift in humidity, settling at 65%. This marks a notable decrease from the summer peak of 60% in August, suggesting a gradual transition into the cooler months. As the year unfolds, humidity levels begin at a relatively high 90% in January and steadily decline to their summer lows, creating a rhythmic ebb and flow throughout the seasons. While September retains a hint of summer's warmth, it signals the approaching autumn, where humidity levels will rebound dramatically in the following months, reaching 84% by October. This pattern highlights the city's seasonal dynamism, where each month crafts a unique atmospheric tapestry.

September Average Humidity in Sopron

This chart illustrates the average monthly humidity levels in Sopron, 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 Sopron is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sopron

In September, the UV Index in Sopron, Hungary, stands at a noteworthy 6, categorizing exposure as high with a burn time of 25 minutes. This marks a gradual decline from the intense summer months of July and August, where the index peaked at 9, indicating very high exposure. As the days shorten and the sun’s intensity begins to wane, September brings a notable shift in UV radiation levels. Despite this drop, it remains essential for residents and visitors to remain vigilant about sun protection to safeguard their skin during outdoor activities. For detailed insights on UV levels throughout the year, check Sopron UV Index.

Maximum UV Index Levels in Sopron for September

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

As summer bids farewell, September in Sopron, Hungary still bathes in a generous 317 hours of sunshine, a delightful continuation of the sun-soaked months that precede it. The pattern of the year reveals a clear trend, with June and July basking in the highest sunlight hours, peaking at 406 and 419 hours respectively. However, the warmth of summer lingers into September, offering a significant drop from the high summer sun, yet still surpassing autumn's earlier months like October with its 275 hours. This gentle transition signals the season's shift, while still allowing Sopron to enjoy a vibrant tapestry of sunshine, making September a wonderful time to experience the city's charm before the cooler months set in.

Monthly Sunshine Duration in Sopron: September Highlighted

The September sunshine duration represents the total number of hours Sopron 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.
JanFebMarAprMayJunJulAugSepOctNovDec160h222h296h341h356h406h419h379h317h275h200h178h
Data source: Sopron September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sopron During September

In Sopron, Hungary, the likelihood of enjoying sunny weather in September stands at 49%, making it one of the more favorable months for sunshine as summer slowly transitions into autumn. Following a summer peak in June at 54%, the sunshine percentage dips slightly in July and August, before rebounding in September, surpassing October's 51% chance. This trend highlights that while September is not the sunniest month, it still offers a substantial opportunity for clear skies and pleasant weather, inviting outdoor activities and leisurely enjoyment of the scenic beauty that Sopron has to offer.

Percentage of Sunny Days in September in Sopron

The chart illustrates the percentage of sunny days in Sopron 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 Sopron experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%41%53%38%35%54%45%40%49%51%33%23%
Data source: Sopron September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sopron in September

As summer fades in Sopron, Hungary, September ushers in a gentle transition with 12 hours of daylight, a slight decline from the consistent 15 hours seen in the peak months of June through August. This month marks a shift towards autumn, where day lengths gradually decrease. Following the vibrant 15-hour days of summer, September still offers ample sunshine, allowing for enjoyable outdoor activities. As the days grow shorter, residents begin to anticipate the cozy ambiance of fall, where October brings a further reduction to 10 hours of daylight. The rhythmic ebb and flow of daylight throughout the year in Sopron beautifully reflects the changing seasons, inviting a sense of connection to nature's cycles.

Average Daylight Hours in Sopron for September

The chart illustrates the variation in daylight duration in Sopron throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 53m10h 14m11h 55m13h 39m15h 9m15h 54m15h 30m14h 11m12h 31m10h 48m9h 16m8h 28m
Data source: Sopron daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sopron

As summer gently gives way to autumn in Sopron, Hungary, the September wind mirrors this transition with a slight drop in average wind speed to 2.5 m/s (6 mph). This is part of a broader trend where the wind tends to be calmer during the late summer months, as evidenced by August's 2.6 m/s (6 mph). While spring months bring more gusty breezes, reaching peaks of 3.9 m/s (9 mph) in April, September showcases a serene calmness that's ideal for leisurely strolls through the town. This gradual decline continues into October, where the wind picks up again slightly, reflecting the dynamic weather patterns of the region. Overall, September's gentle breezes provide a perfect backdrop for enjoying the vibrant autumn scenery that Sopron has to offer.

Average September Wind Speed in Sopron

The chart displays monthly wind speed patterns in Sopron, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.93.23.93.83.03.22.62.5 m/s3.53.03.4
Data source: Sopron September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sopron Compares to Other Months

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

In September, the weather in Sopron is notably milder, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (86°F) and an average of 16°C (62°F). This month experiences higher precipitation, totaling 94 mm (3.7 in) over 9 days, while humidity averages around 65%. In stark contrast, January brings much colder temperatures, with a minimum of -16°C (4°F), an average of 1°C (34°F), and a maximum of 17°C (62°F). Precipitation decreases significantly to 31 mm (1.2 in), also over 9 days, but the humidity rises to 90%, creating a damp and chilly atmosphere. For more details on the conditions during this winter month, you can check Sopron weather in January.

September's weather in Sopron is mild and variable, with temperatures ranging from a chilly 2°C (35°F) at night to a warm 30°C (86°F) during the day, averaging around 16°C (62°F). The month experiences moderate rainfall, with about 94 mm (3.7 in) of precipitation over 9 days, and humidity levels hover around 65%.

In contrast, February brings a much colder climate, with minimum temperatures plummeting to -14°C (8°F) and daily highs reaching only up to 19°C (67°F), resulting in an average temperature of just 3°C (38°F). Precipitation is lower at 33 mm (1.3 in) over 8 days, but the humidity spikes to 84%, making the cold feel even more penetrating. For a more detailed look at February weather, check out Sopron weather in February.

September and March present distinctly different weather patterns. In September, temperatures range from a minimum of 2°C (35°F) to a comfortable average of 16°C (62°F), peaking at 30°C (86°F), making it a warmer and more humid month with about 94 mm (3.7 in) of precipitation over 9 days and an average humidity of 65%. In contrast, March is much cooler, with a minimum temperature of -16°C (3°F) and an average of 6°C (43°F), reaching a maximum of 22°C (72°F). March experiences significantly less precipitation at 35 mm (1.4 in) over 8 days and a higher humidity level of 78%. For more details on March weather specifics, please check Sopron weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September boasts a warmer climate with average temperatures reaching 16°C (62°F) and highs of up to 30°C (86°F), while April’s coolness is reflected in its average temperature of 11°C (52°F) and a minimum dipping to -5°C (24°F). Additionally, September experiences higher precipitation levels, totaling 94 mm (3.7 in) over 9 days, compared to April's 41 mm (1.6 in) over just 7 days. Humidity is slightly higher in April at 73%, compared to 65% in September. For a more detailed look at the climate specifics, refer to Sopron weather in April.

When comparing the weather in September and May, we see notable differences in temperature and precipitation patterns. September typically experiences a wider temperature range, with minimums around 2°C (35°F) and maximums reaching up to 30°C (86°F), while May has a slightly cooler range with minimums at 0°C (33°F) and maximums peaking at 31°C (87°F). Precipitation levels are relatively similar, with September receiving 94 mm (3.7 in) over about 9 days and May slightly lower at 86 mm (3.4 in) but over more days at 16. Additionally, May tends to have higher humidity levels at 71% compared to September's 65%. For more detailed insights, you can visit Sopron weather in May.

When comparing the weather in September and June, there are notable differences in temperature and precipitation. September exhibits a broader range of temperatures, with a minimum of 2°C (35°F) and a maximum reaching 30°C (86°F), resulting in an average of 16°C (62°F). This month also experiences higher precipitation at 94 mm (3.7 in) over 9 days, with a humidity level of 65%. In contrast, June offers milder conditions with minimum temperatures soaring to 8°C (46°F) and maximums peaking at 33°C (92°F), contributing to a warmer average of 21°C (69°F). Despite having slightly less rainfall at 74 mm (2.9 in) over 11 days, humidity levels in June are a bit higher at 73%. For a more comprehensive overview of what to expect, check out this link: Sopron weather in June.

In comparing the weather of September and July, notable differences in temperature and precipitation emerge. September experiences a lower temperature range, with a minimum of 2°C (35°F) and an average of 16°C (62°F), while July boasts higher temperatures, ranging from a minimum of 9°C (48°F) to an average of 21°C (71°F) and even reaching a maximum of 35°C (96°F). Precipitation levels are fairly close, with September receiving 94 mm (3.7 in) across 9 days and July accumulating 83 mm (3.3 in) but over a longer stretch of 13 days. Humidity is slightly higher in July at 70%, compared to 65% in September. For more details on July weather, you can check Sopron weather in July.

In September, the weather begins to cool down significantly compared to August, with minimum temperatures dropping to 2°C (35°F) and average temperatures around 16°C (62°F), compared to August's warmer average of 22°C (71°F). While September experiences a maximum of 30°C (86°F), August can reach as high as 35°C (96°F), showcasing the transition from the heat of summer to the mildness of early autumn. Precipitation levels are similar in both months, with September seeing slightly more rain (94 mm over 9 days) compared to August's 90 mm over 12 days, while humidity remains relatively stable with September at 65% and August at 60%. For more insights on August weather, check out Sopron weather in August.

In September, the weather is warmer and more variable, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (86°F) and an average of 16°C (62°F). The month sees a total precipitation of 94 mm (3.7 in) over 9 days, coupled with a humidity level of 65%. In contrast, October brings cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 24°C (75°F), averaging 12°C (53°F). The precipitation decreases significantly to 48 mm (1.9 in) over the same number of rainy days, but humidity rises to 84%, creating a distinctly different atmosphere. For more detailed information, you can check out the Sopron weather in October.

September and November exhibit noteworthy contrasts in weather patterns. In September, temperatures range from a mild 2°C (35°F) at night to a warm 30°C (86°F) during the day, with an average of 16°C (62°F). This month sees about 94 mm (3.7 in) of rain spread across 9 days, accompanied by a moderate humidity level of 65%. In stark contrast, November experiences much cooler conditions, with nighttime lows plummeting to -6°C (22°F) and daytime highs reaching only 19°C (67°F), resulting in an average temperature of just 6°C (44°F). Precipitation in November is lower, at 52 mm (2.1 in) over the same number of days, but there is a noticeable increase in humidity, rising to 89%. For more detailed weather information, check out Sopron weather in November.

September and December present strikingly different weather patterns. In September, temperatures range from a minimum of 2°C to a maximum of 30°C, with an average of 16°C, making it a generally warmer month with a moderate level of precipitation at 94 mm over 9 days. In contrast, December experiences much colder temperatures, with a minimum of -6°C and a maximum of 13°C, averaging just 3°C. Although December sees less precipitation at 53 mm, it occurs over more days (11 days) and along with higher humidity at 89%. For a detailed overview of conditions in December, you can check Sopron weather in December.

Compare Sopron's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sopron

As summer fades in September, Sopron experiences a notable transition in weather, marked by a delightful blend of warm and cool temperatures. With an average high of 30°C contrasting sharply against the cooler nights that can dip to 2°C, this month offers a refreshing shift from the relentless heat of summer. Rain is more frequent, with about nine days of precipitation, leading to a humidity level of 65%, which can add a comfortable, crisp feel to the air. This unique mix of conditions makes September a transitional month, inviting visitors to embrace the beauty of autumn in Sopron. For more detailed insights, explore the full Sopron Climate information.