September Weather in Koszeg, Hungary

Last updated: August 21, 2025

In September, Koszeg, Hungary, experiences a delightful transition towards autumn with a maximum temperature reaching 30°C (86°F) and an average of 16°C (61°F). However, cool nights can dip as low as 1°C (34°F), showcasing the temperature's variability. This month brings a notable precipitation amount of 94 mm (3.7 in) spread over 10 days, contributing to a humidity level of 65%. As the leaves begin to change, visitors can enjoy a mix of sunny days and refreshing showers, making it an enchanting time to explore the beauty of Koszeg.

September Temperature in Koszeg

In September, the temperatures in Koszeg, Hungary begin to transition from the warmth of summer to the crispness of autumn. With a minimum temperature of 1°C (34°F) and an average of 16°C (61°F), there’s a noticeable drop from the sweltering averages of August. The maximum temperature still enjoys a warm high of 30°C (86°F), allowing for lingering summer-like days, but the cool evenings hint at the approaching change of season. This month marks a beautiful blend of warmth and the onset of cooler nights, making it ideal for enjoying outdoor activities amidst the scenic backdrop of fall foliage as summer's heat gradually ebbs away.

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

The chart illustrates September temperature patterns in Koszeg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koszeg, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333742515869707061524336
Data source: Temperature data for Koszeg 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 Koszeg

In September, Koszeg, Hungary experiences a notable transition in its precipitation pattern, with a rainfall total of 94 mm (3.7 in) spread across approximately 10 days. This marks a slight decrease compared to the drenched August, which recorded 103 mm (4.1 in), yet the moisture remains significant as the month shifts towards autumn. The consistent rainfall from May through September highlights a peak during summer, where discrepancies in precipitation days become apparent; while May boasts 16 rainy days, September maintains a moderate 10. This trend suggests a gradual waning of the summer deluge, paving the way for the drier months ahead. Overall, September's precipitation plays a vital role in sustaining the lush landscapes of Koszeg as it gracefully transitions into the cooler fall season.

September Precipitation Trends in Koszeg

The chart displays monthly precipitation patterns in Koszeg, 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 Koszeg, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3135354495778810395525653
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Koszeg

In Koszeg, Hungary, September marks a subtle transition in humidity levels, with the average dipping to 65%. This month serves as a bridge between the warmer, drier summer months and the returning wetness of autumn. After enjoying a relative low of 60% in August, September experiences a slight uptick, hinting at the approaching rainy season. The trend shows a gradual increase as the year progresses, with humidity levels starting to rise again, peaking at 89% by November. This fluctuation not only influences the local climate but also signals the changing seasons, as residents prepare for the crisp air of fall and the inevitable onset of winter moisture.

September Average Humidity in Koszeg

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

In September, Koszeg experiences a UV Index of 6, placing it in the high exposure category. This represents a slight drop from the intense summer months, where indices peaked at 9 in July and June, each associated with a very high exposure level. As fall sets in, the burn time also increases to 25 minutes, allowing for a bit more outdoor enjoyment compared to the 15 minutes of summer. While the UV Index remains significant, it’s a good reminder for residents and visitors to stay protected while soaking up the pleasant early autumn sun. For more detailed insights on UV levels throughout the year, check out Koszeg UV Index.

Maximum UV Index Levels in Koszeg for September

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

September in Koszeg, Hungary, ushers in a delightful transition as summer begins to wane, offering a generous 317 hours of sunshine. This month reflects a gradual decline from the sun-soaked peaks of July and June, which boast an impressive 419 and 406 hours, respectively. As autumn approaches, the days remain bright and inviting, ideal for enjoying the beautiful landscapes and charming streets of the town. The sunlight in September, while reduced compared to the summer months, still surpasses the earlier part of the year, showcasing a trend of increasing brightness from January's mere 160 hours to the vibrant late-summer days. This enchanting balance of warmth and light prepares both locals and visitors for the stunning autumn colors that await as the year transitions further into the season.

Monthly Sunshine Duration in Koszeg: September Highlighted

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

Chance of Sun in Koszeg During September

In Koszeg, Hungary, the likelihood of enjoying sunny weather in September stands at a promising 50%, marking a pleasant transition from the summer months. This reflects a noteworthy trend, as the chances of sunshine have generally fluctuated throughout the year. For instance, earlier summer months like June and July also boast considerable sunlight, with chances at 54% and 45%, respectively. However, September's consistent 50% aligns closely with the autumn months of October but still offers a delightful opportunity for outdoor activities and exploration. As the year progresses, the likelihood of sun dips in the cooler months, making September an ideal time to bask in the radiant warmth before the colder days close in.

Percentage of Sunny Days in September in Koszeg

The chart illustrates the percentage of sunny days in Koszeg 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 Koszeg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%42%54%38%35%54%45%39%50%50%31%25%
Data source: Koszeg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koszeg in September

As summer fades into autumn, September in Kőszeg, Hungary, presents a gentle shift in daylight hours, offering a balance of light and shadow. With 12 hours of daylight, this month marks a notable decrease from the sun-drenched days of summer, where daylight peaked at a generous 15 hours in June, July, and August. The transition is evident as the days gradually shorten, echoing the changes in nature around the town. After the vibrant blooms of late spring and summer, September ushers in a softer light, preparing the landscape for the cozy embrace of autumn. This gradual dimming sets the stage for the impending coolness of October, with its 10 hours of daylight, making September a month of lingering warmth before the season truly changes.

Average Daylight Hours in Koszeg for September

The chart illustrates the variation in daylight duration in Koszeg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 55m10h 15m11h 56m13h 38m15h 7m15h 52m15h 28m14h 9m12h 30m10h 48m9h 18m8h 30m
Data source: Koszeg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Koszeg

As September arrives in Kőszeg, Hungary, the gentle breeze begins to signal the onset of autumn. With an average wind speed of 2.4 m/s (5 mph), September experiences a slight dip in windiness compared to the summer months. This reduction follows a trend observed from August, when winds were even subtler at 2.2 m/s (5 mph). Overall, the seasonal transition is marked by a gradual fluctuation in wind speeds; while winter months tend to witness stronger gusts peaking around 3.7 m/s (8 mph) in April, September offers a more serene atmosphere as nature prepares for the colorful transformation ahead. The ease of the September winds creates an inviting backdrop for exploring Kőszeg's charming landscapes, making it a perfect time for leisurely strolls and outdoor activities.

Average September Wind Speed in Koszeg

The chart displays monthly wind speed patterns in Koszeg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.83.13.73.42.83.02.22.4 m/s3.32.53.1
Data source: Koszeg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Koszeg Compares to Other Months

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

In September, the weather is generally warm with temperatures ranging from a brisk 1°C (34°F) at night to a pleasant high of 30°C (86°F) during the day, averaging around 16°C (61°F). This month also sees about 94 mm (3.7 in) of rainfall spread over approximately 10 days, alongside a moderate humidity level of 65%. In contrast, January brings a significant chill, with temperatures dipping as low as -15°C (5°F) and averaging around 0°C (33°F), peaking at 16°C (62°F). The precipitation during this month is much lower, at just 31 mm (1.2 in) over 8 days, while humidity levels rise to 90%, making the air feel quite damp. For more detailed weather specifics, you can check Koszeg weather in January.

September and February showcase a stark contrast in weather conditions. September boasts a much warmer average temperature of 16°C (61°F), with highs reaching up to 30°C (86°F). In contrast, February's temperatures drop significantly, with an average of just 3°C (38°F) and potential lows of -14°C (6°F). Additionally, September experiences heavier rainfall, totaling 94 mm (3.7 in) over 10 days, while February sees only 35 mm (1.4 in) across 9 days. The humidity levels also differ, with February being more humid at 84%, compared to September's 65%. For a closer look at February weather specifics, you can refer to Koszeg weather in February.

Comparing the weather in September and March reveals significant differences in temperature and moisture content. September typically features a milder climate with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (86°F), averaging around 16°C (61°F), paired with moderate precipitation of 94 mm (3.7 in) over about 10 days and a humidity level of 65%. In contrast, March is considerably colder, with temperatures ranging from a frigid minimum of -18°C (-1°F) to a maximum of 22°C (71°F), averaging only 6°C (43°F). Additionally, March sees less precipitation at 35 mm (1.4 in) over approximately 7 days and higher humidity at 78%. For more detailed weather insights, you can visit Koszeg weather in March.

When comparing the weather in September and April, notable differences arise in temperature and precipitation. September typically experiences milder conditions, with average temperatures ranging from a chilly 1°C (34°F) at night to a warm 30°C (86°F) during the day, exhibiting a higher average of 16°C (61°F). In contrast, April starts off cooler with nighttime lows dipping to -5°C (23°F), an average of 11°C (51°F), and maximums reaching 27°C (80°F). Precipitation also differs, as September averages 94 mm (3.7 in) over 10 days, while April sees less rainfall at 44 mm (1.7 in) across 7 days. Humidity levels are slightly higher in April at 73% compared to September's 65%. For a more detailed look at April’s weather, you can visit Koszeg weather in April.

September and May exhibit some similarities in weather patterns, particularly in temperatures and average highs. Both months feature maximum temperatures reaching up to 30°C (86°F), but September offers a slightly wider range with a minimum of 1°C (34°F) compared to May's minimum of 0°C (31°F). Precipitation levels are quite comparable, with September seeing 94 mm (3.7 in) over 10 days, while May has a slightly higher total of 95 mm (3.7 in) spread over 16 days. Additionally, humidity is noticeably higher in May at 71%, compared to 65% in September, contributing to a more humid feel during that month. For a detailed look at May weather in Koszeg, check Koszeg weather in May.

September and June present quite different weather experiences. In September, temperatures range from a chilly 1°C (34°F) at night to a warm 30°C (86°F) during the day, with an average of 16°C (61°F). The month sees 94 mm (3.7 in) of precipitation over about 10 days, and humidity levels are around 65%. In contrast, June is generally warmer, with minimum temperatures of 7°C (45°F), maximums reaching up to 33°C (91°F), and an average temperature of 20°C (69°F). Precipitation is lower at 77 mm (3.0 in), yet it occurs over a slightly longer period of 13 days, with humidity peaking at 73%. For more details, you can check Koszeg weather in June.

In comparing the weather of September and July, we observe notable differences in temperature and precipitation patterns. September presents a broader range of temperatures, with a minimum of 1°C (34°F) and a maximum of 30°C (86°F), while July remains warmer, featuring a minimum of 9°C (48°F) and a maximum of 34°C (94°F). Average temperatures also reflect this trend, with September averaging 16°C (61°F) compared to July's 21°C (70°F). Additionally, September sees higher precipitation levels at 94 mm (3.7 in) over 10 days, but July's precipitation is slightly less at 88 mm (3.5 in) spread across 14 days. Humidity levels in July are higher at 70%, compared to September's 65%. For more specific insights into July weather, you can refer to Koszeg weather in July.

September's weather experience contrasts with August in several notable ways. While August boasts warmer temperatures with a minimum of 9°C (48°F) and a maximum of 35°C (95°F), September presents cooler conditions, featuring a minimum of just 1°C (34°F) and a peak of 30°C (86°F). Precipitation levels are slightly lower in September at 94 mm (3.7 in) over 10 days compared to August's 103 mm (4.1 in) over 13 days. Additionally, September carries a higher humidity level of 65%, while August remains slightly drier at 60%. For a closer look at what to expect, you can check out Koszeg weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 30°C (86°F), averaging around 16°C (61°F). This month experiences higher humidity at 65% and more precipitation, totaling 94 mm (3.7 in) over about 10 days. In contrast, October sees a decrease in temperatures, with a minimum of 0°C (32°F) and a maximum of 24°C (76°F), averaging only 11°C (53°F). Precipitation reduces significantly to 52 mm (2.1 in) over 9 days, but humidity rises to 84%. For more details, check Koszeg weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a mild minimum of 1°C (34°F) to a warm maximum of 30°C (86°F), with an average temperature of 16°C (61°F). This month also sees relatively high precipitation at 94 mm (3.7 in) over about 10 days, accompanied by a humidity level of 65%.

In contrast, November brings cooler temperatures, with a minimum of -5°C (23°F) and an average of just 6°C (43°F), peaking at 19°C (67°F). Precipitation decreases to 56 mm (2.2 in) over 8 days, but humidity rises significantly to 89%. The shift from the warmth of September to the chill of November highlights the transition into late autumn. For more details, check out the Koszeg weather in November.

September and December exhibit distinctly different weather patterns. September boasts a wide temperature range, with minimums around 1°C (34°F) and maximums reaching up to 30°C (86°F), making it generally warm with an average temperature of 16°C (61°F). In contrast, December experiences cooler conditions, with temperatures dipping to a minimum of -6°C (21°F) and averaging just 2°C (36°F), while max temperatures only reach 15°C (59°F). Additionally, September tends to be more humid at 65%, while December's humidity is noticeably higher at 89%. Precipitation is also affected, with September receiving 94 mm (3.7 in) over 10 days compared to December's 53 mm (2.1 in) across 11 days. For more detailed insights on the weather in December, visit Koszeg weather in December.

Compare Koszeg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Koszeg

As September unfolds in Kőszeg, the weather showcases a remarkable transition, blending the warmth of summer with the refreshing cooler temperatures of autumn. With maximum temperatures reaching up to 30°C and an average of 16°C, this month offers a delightful respite from the intense heat typical of July and August. However, the introduction of increased precipitation, averaging about 94 mm over ten days, signifies a noticeable shift towards the wetter trends seen in the upcoming months. Humidity levels hover around 65%, adding to the fresh, crisp feeling in the air. For more insights into Kőszeg's unique climate patterns throughout the year, visit Koszeg Climate.