September Weather in Gornji Grad, Slovenia

Last updated: August 27, 2025

September in Gornji Grad, Slovenia, showcases a transitional climate, where late summer warmth begins to yield to autumn's chill. Daily temperatures can peak at a maximum of 29°C (85°F), providing inviting warmth during the day, while average temperatures hover around a comfortable 15°C (60°F). However, nights can bring a brisk drop, with minimum temperatures dipping to 1°C (33°F). This month is also marked by 139 mm (5.5 in) of precipitation over 13 days, contributing to a humidity level of 74%, which adds a refreshing touch to the crisp air. Whether you’re exploring the scenic landscapes or enjoying local festivals, September offers a delightful blend of warmth and the subtle onset of autumn.

September Temperature in Gornji Grad

In Gornji Grad, Slovenia, the month of September marks a delightful transition from the warm summer days of August to the cooler embrace of autumn. With minimum temperatures hovering around 1°C (33°F), the average swells to a comfortable 15°C (60°F), making it an ideal time for outdoor exploration. Days can still feel pleasantly warm, peaking at a maximum of 29°C (85°F), allowing for lingering afternoons in the sun before sweater weather sets in. This gradual cooling trend not only signals the change of seasons but also invites visitors to experience the picturesque landscape as it transforms, creating a harmonious blend of warmth and crisp air.

September Weather in Gornji Grad: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Gornji Grad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gornji Grad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323742505767696960514234
Data source: Temperature data for Gornji Grad 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 Gornji Grad

September in Gornji Grad, Slovenia, marks a notable transition in the weather patterns, as precipitation levels reach 139 mm (5.5 in), making it one of the wettest months of the year. This increase is accompanied by 13 rainy days, signaling the shift from the drier summer months to the more water-rich fall season. Following the peaks of May and July, September's rainfall mirrors the overall trend of increased precipitation during the warmer months, hinting at a lush landscape as autumn unfolds. While the frequency of rainy days decreases slightly compared to the previous months, the substantial amount of rainfall underscores the region's climate variability, providing a rich backdrop for the vibrant autumn foliage that follows.

September Precipitation Trends in Gornji Grad

The chart displays monthly precipitation patterns in Gornji Grad, 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 Gornji Grad, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec417263931529012111413980118100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gornji Grad

In September in Gornji Grad, Slovenia, humidity settles at a comfortable 74%, showing a slight increase from the summer months. This marks a transition as the vibrant warmth of August, with its lower humidity of 68%, gives way to the cooler autumn air. While September is significantly drier than the onset of winter, evidenced by the rising levels in October, it maintains a moderate humidity level that is reflective of late summer's lingering warmth. As the year progresses, we can observe a general trend of increasing humidity from the summer's lows to the typical highs of winter, drawing attention to the region's dynamic climate patterns throughout the year.

September Average Humidity in Gornji Grad

This chart illustrates the average monthly humidity levels in Gornji Grad, 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 Gornji Grad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%82%79%74%75%74%69%74%88%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gornji Grad

As September arrives in Gornji Grad, Slovenia, the UV Index begins to dip, reflecting a transition from the intense summer sun. With a UV Index of 6 and categorized as high, outdoor enthusiasts should be mindful of sun exposure, with a burn time of approximately 25 minutes for those with fair skin. This shift from the peak summer values of 9 underscores a gradual easing of UV intensity, making it a fantastic time for hiking or enjoying the beautiful autumn landscapes. However, don’t let your guard down—sunscreen remains essential! For detailed insights on UV trends throughout the year, check out the full information at Gornji Grad UV Index.

Maximum UV Index Levels in Gornji Grad for September

The chart shows the monthly maximum UV Index (UVI) for Gornji Grad 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 Gornji Grad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Gornji Grad 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 Gornji Grad

In September, Gornji Grad continues to bask in the lingering warmth of summer, with an impressive 306 hours of sunshine lighting up the picturesque landscape. This marks a gentle decline from the sun-drenched days of July and August, which boasted 414 and 380 hours respectively. As autumn approaches, the golden hues begin to emerge, but the month still enjoys significantly more sunshine than the colder, darker months ahead. This trend aligns with a clear seasonal pattern, where each month from January to June steadily increases in sunlight, peaking in the height of summer. September serves as a beautiful transition, reminding visitors that even as the year begins to shift, the vibrant beauty of Gornji Grad continues to shine.

Monthly Sunshine Duration in Gornji Grad: September Highlighted

The September sunshine duration represents the total number of hours Gornji Grad 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h210h299h329h352h393h414h380h306h272h187h199h
Data source: Gornji Grad September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gornji Grad During September

In Gornji Grad, Slovenia, September signals a delightful transition into autumn, boasting a 49% chance of sunny weather. This forecast stands out as one of the higher probabilities for sunshine throughout the year, closely following the sunnier summer months like June and March. As summer fades, September offers a refreshing balance, outshining the clouds of early autumn and hinting at the joyous blend of warm days and crisp air. This makes it an ideal time for outdoor activities, providing a welcome opportunity to enjoy the natural beauty of the region before the chill of winter sets in.

Percentage of Sunny Days in September in Gornji Grad

The chart illustrates the percentage of sunny days in Gornji Grad 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 Gornji Grad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%42%55%35%33%51%46%42%49%34%23%32%
Data source: Gornji Grad September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gornji Grad in September

As September rolls into Gornji Grad, Slovenia, the days begin to shorten, offering about 12 hours of daylight. This marks a gentle decline from the vibrant 14 hours enjoyed throughout August, signaling the gradual transition from summer's golden glow to the cooler embrace of autumn. The daylight duration in September is reminiscent of the earlier spring months, bridging the long and lively days of summer with the dimming light of October, which offers just 10 hours. This trend clearly illustrates the rhythmic ebb and flow of seasons, inviting residents and visitors alike to savor the last warm days before the crispness of fall sets in.

Average Daylight Hours in Gornji Grad for September

The chart illustrates the variation in daylight duration in Gornji Grad throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 19m11h 56m13h 35m14h 59m15h 42m15h 20m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Gornji Grad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Gornji Grad

As September breathes its gentle farewell to summer in Gornji Grad, Slovenia, the average wind speed tapers slightly to 1.5 m/s (3 mph), marking a serene transition into autumn. Throughout the year, wind speeds remain remarkably consistent, hovering around 4 mph during the brisk months of January to May, before experiencing a subtle decline in the warmer summer months. This decrease continues into September, with the breezes becoming softer and more tranquil. The winds escalate slightly again in October, suggesting a seasonal ebb and flow that invites contemplative strolls through this picturesque town. Overall, September’s gentle gusts embody the calm before nature’s more invigorated autumnal winds take hold, creating a beautiful balance in the rhythm of the seasons.

Average September Wind Speed in Gornji Grad

The chart displays monthly wind speed patterns in Gornji Grad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.91.71.91.81.61.71.41.5 m/s1.71.51.5
Data source: Gornji Grad September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Gornji Grad Compares to Other Months

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

In September, the weather in Gornji Grad is notably warmer, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 29°C (85°F), and an average of 15°C (60°F). The month also sees significant precipitation, with 139 mm (5.5 in) falling over 13 days, making the atmosphere relatively humid at 74%. In contrast, January brings much colder temperatures, with a minimum of -16°C (3°F) and a maximum of 12°C (54°F), averaging around 0°C (32°F). During this winter month, precipitation decreases to 41 mm (1.6 in) over just 6 days, while humidity rises to 91%. For more detailed information, you can check Gornji Grad weather in January.

In September, the weather is quite warm with temperatures ranging from a chilly 1°C (33°F) at night to a pleasant 29°C (85°F) during the day, resulting in an average of 15°C (60°F). It experiences more rainfall, totaling 139 mm (5.5 in) over 13 days, along with a humidity level of 74%. In contrast, February brings significantly colder temperatures, with minimums plunging to -14°C (7°F) and a maximum of 19°C (66°F), averaging just 3°C (37°F). Precipitation is lower at 72 mm (2.8 in) over 8 days, but the humidity is higher at 87%. For more details, you can check out Gornji Grad weather in February.

September and March present distinct contrasts in weather conditions. September typically enjoys a mild temperature range, with averages around 15°C (60°F), peaking at 29°C (85°F), while March's temperatures are still quite low, averaging only 5°C (42°F) and dipping as low as -15°C (5°F). Precipitation in September is more frequent and abundant, with 139 mm (5.5 in) over 13 days, compared to March's 63 mm (2.5 in) over 10 days. Humidity levels are slightly higher in March at 82%, compared to September's 74%, creating a damp chill in the early spring months. For more information on the specific weather pattern, you can check out Gornji Grad weather in March.

When comparing the weather between September and April, notable differences emerge. September tends to be warmer, boasting an average temperature of 15°C (60°F) and maximum highs reaching 29°C (85°F), while April's average temperature is cooler at 10°C (50°F), with a maximum of 25°C (78°F). Precipitation levels are higher in September, with 139 mm (5.5 in) falling over 13 days, compared to April's 93 mm (3.7 in) over 12 days. Additionally, humidity is slightly lower in September at 74%, while April experiences a higher humidity level of 79%. For more detailed information, you can check Gornji Grad weather in April.

In comparing the weather patterns of September and May, we can observe several similarities and differences. Both months experience mild temperature ranges, with September highs reaching up to 29°C (85°F) and May slightly lower at 28°C (82°F). However, September tends to offer a wider span of temperatures, with minimums dipping to 1°C (33°F), whereas May's minimum remains just above freezing at 0°C (32°F).

Precipitation levels are also noteworthy; September averages 139 mm (5.5 inches) over 13 days, while May sees slightly higher precipitation of 152 mm (6.0 inches) spread over 19 days, indicating that May might feel a bit wetter. Despite these differences, both months share a consistent humidity level of 74%, contributing to a similar feel in the air. For a closer look at May's specific weather patterns, you can visit Gornji Grad weather in May.

In comparing the weather of September and June, we can observe distinct differences in temperature and precipitation patterns. September boasts a broader temperature range, with minimums dipping to 1°C (33°F) and maximums reaching up to 29°C (85°F), averaging around 15°C (60°F). In contrast, June typically enjoys milder mornings, with minimum temperatures starting at 5°C (41°F) and maximums soaring to 34°C (93°F), resulting in an average of 19°C (67°F). Precipitation levels also reflect a change, with September receiving 139 mm (5.5 in) over 13 days, while June records less at 90 mm (3.5 in) across 15 days. Both months have similar humidity levels, around 74-75%, yet June generally feels warmer and more conducive to outdoor activities. For more details on June weather, you can check Gornji Grad weather in June.

When comparing the weather in September to that of July, a notable shift in temperatures and precipitation can be observed. September showcases a wider temperature range, with minimums dropping to 1°C (33°F) and maximums reaching up to 29°C (85°F), while the average temperature is around 15°C (60°F). In contrast, July offers a milder climate with higher average temperatures of 20°C (69°F) and maximums peaking at 32°C (91°F). Additionally, precipitation levels are relatively close, with September receiving slightly more at 139 mm (5.5 in) over 13 days compared to July's 121 mm (4.8 in) over 15 days. Humidity levels remain consistent at 74% for both months. For more detailed information, you can check out Gornji Grad weather in July.

In comparing the weather of September and August, September experiences a notable drop in temperatures, with minimums dipping to 1°C (33°F) and an average of 15°C (60°F), compared to August's milder minimums of 8°C (46°F) and an average of 21°C (69°F). Additionally, September sees maximum temperatures reaching 29°C (85°F), whereas August peaks at a sweltering 35°C (96°F). Precipitation in September is slightly higher at 139 mm (5.5 in) over 13 days, compared to August's 114 mm (4.5 in) over 14 days, while humidity remains somewhat elevated at 74% in September versus 68% in August. For more details on August weather, you can visit this link: Gornji Grad weather in August.

In comparing the weather of September and October, we see a notable transition as autumn deepens. September features warmer temperatures, with a minimum of 1°C and an average of 15°C, peaking at a comfortable 29°C. However, it also brings significant rainfall, with 139 mm over 13 days, resulting in a humidity level of 74%. Conversely, October sees cooler temperatures, dropping to a minimum of -1°C and averaging 11°C, with a maximum of 23°C. The month is drier, experiencing only 80 mm of precipitation across 9 days, though humidity increases to 88%. This shift indicates not only a drop in temperature but also a change in weather patterns as we move further into fall. For more details, check Gornji Grad weather in October.

September and November weather exhibit notable differences, with September offering warmer temperatures that range from a minimum of 1°C (33°F) to a maximum of 29°C (85°F) and an average of 15°C (60°F). This month experiences 139 mm (5.5 in) of precipitation over 13 days, accompanied by a humidity level of 74%. In contrast, November brings cooler conditions, featuring temperatures that dip to a minimum of -8°C (17°F) and an average of 6°C (43°F), with a max of 19°C (66°F). Despite receiving slightly less precipitation at 118 mm (4.6 in) across 10 days, November's humidity increases to 90%. For a detailed look at November weather, check out Gornji Grad weather in November.

September and December showcase a striking contrast in weather conditions. September boasts mild temperatures, with average highs around 15°C (60°F) and maxing out at 29°C (85°F), creating a pleasant atmosphere for outdoor activities. However, it also brings considerable rainfall, averaging 139 mm (5.5 in) over 13 days, with a humidity level of 74%. In contrast, December's temperatures plunge significantly, featuring a chilly average of 1°C (34°F) and maximums capped at 14°C (57°F). With a lower total precipitation of 100 mm (3.9 in) over just 10 days, December is marked by a higher humidity level of 89%, contributing to a crisp and wintry feel. For more detailed weather insights, you can refer to Gornji Grad weather in December.

Compare Gornji Grad's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Gornji Grad

As summer gracefully transitions into autumn, September in Gornji Grad presents a unique blend of warm and cool conditions. With maximum temperatures still reaching 29°C, the month retains a hint of summer's warmth, but this contrasts sharply with cooler evenings where temperatures can drop to 1°C. The weather is characterized by a notable increase in precipitation, with over a week of rainy days contributing to a humidity level of 74%. This shift not only paints the landscape in vibrant hues but also sets an inviting scene for those looking to enjoy the changing seasons. For more insights into the nuances of this enchanting climate, explore Gornji Grad Climate.