Last updated: August 27, 2025
In September, Kranj, Slovenia, experiences a unique blend of weather characterized by a maximum temperature reaching 28°C (83°F) and an average of 15°C (59°F), creating a pleasant autumn ambiance. The temperature can dip as low as 0°C (33°F), preparing the landscape for the upcoming chill. Rainfall is notable, with 170 mm (6.7 in) of precipitation spread over 13 days, contributing to a relative humidity of 74% that envelops the area in a refreshing, crisp atmosphere. Visitors and locals alike can expect a mix of sunny days and playful showers, ideal for enjoying the vibrant fall foliage and the serene beauty of Kranj.
In September, Kranj, Slovenia, begins to transition from the warmth of summer to the cooler embrace of autumn. With temperatures ranging from a minimum of 0°C (33°F) to a maximum of 28°C (83°F), the month offers a pleasant average of 15°C (59°F). This signifies a gradual drop from the sweltering highs experienced in August, while still retaining a touch of warmth that beckons outdoor enthusiasts. As the leaves start to turn, September's mild climate invites visitors to explore the scenic landscapes, making it a sweet spot for enjoying nature before the chill of autumn takes hold.
September in Kranj, Slovenia, marks a notable transition as the summer's warmth begins to fade, with precipitation peaking at 170 mm (6.7 in) over 13 days of rain. This heavy rainfall indicates a shift towards autumn, surpassing even the previous months' totals, including the summer highs of July and August. The increased precipitation reflects a trend of heightened moisture as the season changes, further contributing to Kranj's lush landscape. With an average of 20 rainy days in May, September's 13 days suggest that while the rain persists, it becomes more concentrated, heralding the onset of the wetter autumn months. Overall, September serves as a bridge, showcasing the region's dynamic climate as it transitions from the warm and relatively dry summer to the cooler and wetter autumn.
In Kranj, Slovenia, September marks a slight uptick in humidity, averaging around 74%. This reflects a transition from the drier summer months, where humidity dipped to an agreeable 68% in August. As the seasons shift, you can notice a gradual increase in moisture levels, as humidity rises from the lower summer averages back toward the higher percentages seen in late autumn and winter. The months leading up to September showed consistent decreases from January's peak of 91%, culminating in a relatively comfortable early autumn. This trend hints at Kranj's characteristic blend of refreshing crispness in the air while still retaining some warmth, making it a captivating time for residents and visitors alike.
As September rolls into Kranj, Slovenia, the UV Index sees a slight decline from the summer highs, measuring at 7, which reflects a high exposure category, with a burn time of approximately 25 minutes. This transition marks a shift from the intensely bright months of June and July, where the index peaked at 9, indicating very high exposure. While sun enthusiasts can still enjoy pleasant days, it’s essential to remain mindful of UV protection as the sun’s intensity persists into early autumn. With a noticeable dip in UV levels compared to the peak summer months, September serves as a gentle reminder to maintain safe sun practices while soaking in the lingering sunshine. For more detailed information on UV levels throughout the year, visit Kranj UV Index.
UV Risk Categories
September in Kranj, Slovenia, is a vibrant farewell to summer, basking in 309 hours of sunshine. This month continues the trend of plentiful light, following a sun-soaked July and August, which peaked at 415 and 382 hours, respectively. As autumn begins to settle in, those sun-drenched days feel like a gentle transition, with September still holding onto significant warmth before the daylight hours start to dwindle. In contrast, the colder months bring a notable reduction in sunshine, with October dropping to 275 hours and November even less at 194 hours. Thus, September stands as a beautiful bridge between the exuberance of summer and the quieter tones of fall, offering a final flourish of sunny days before the arrival of winter.
September in Kranj, Slovenia, offers a promising chance of sunshine, with approximately 48% of the month likely to be bathed in sunlight. This late-summer month sees a noticeable uptick in sunny days compared to the spring and early summer months, where sunshine probabilities fluctuate between 30% and 54%. As autumn approaches, the sky starts to clear from the cloudier conditions of earlier months, making September an excellent time for outdoor activities. With nearly half the month favoring sun, it’s a lovely transition from summer warmth to the crispness of fall.
As summer fades into autumn, September in Kranj, Slovenia brings a gentle decline in daylight, offering about 12 hours of sunlight. This marks a noticeable shift from the vibrant, sun-drenched days of July and August, where daylight peaks at 15 hours. Following the upward trend of earlier months, which see increasing daylight from January’s mere 9 hours to May’s lush 15, September signals a transitional phase. The days grow shorter, hinting at the approaching cooler months, yet still provide ample opportunities to enjoy the stunning fall scenery that Kranj has to offer. As the month progresses, the daylight gradually continues to wane, ultimately leading into October’s shorter 10 hours of sunlight.
As September arrives in Kranj, Slovenia, the average wind speed settles at 1.5 m/s (3 mph), mirroring the gentle breezes of late summer. This subtle shift reflects a broader trend throughout the year, where the wind tends to be lighter during the warmer months, peaking slightly in spring and early summer. After June’s mild breezes, September carries the essence of transition as the winds remain calm, hinting at the approaching autumn. Cooler days are on the horizon, yet the air retains a touch of warmth, making this time a serene bridge between the vibrant summer and the crispness of fall.
Weather in Kranj varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kranj, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather conditions. In September, temperatures range from a chilly 0°C (33°F) to a pleasant 28°C (83°F), with an average of 15°C (59°F). The month experiences significant rainfall, with 170 mm (6.7 in) across about 13 days, resulting in a humidity level of 74%. In stark contrast, January brings much colder temperatures, with a range from -16°C (3°F) to a maximum of 11°C (52°F), averaging -1°C (31°F). Precipitation decreases to 51 mm (2.0 in) over just 6 days, coupled with a higher humidity of 91%. For more detailed information, you can check Kranj weather in January.
In September, the weather in Kranj features a wide range of temperatures, with minimums reaching 0°C (33°F) and maximums soaring up to 28°C (83°F), resulting in an average of 15°C (59°F). The month experiences about 170 mm (6.7 in) of precipitation over 13 days, with a humidity level of 74%. In contrast, February brings much colder conditions, with temperatures dipping as low as -13°C (9°F) and reaching a maximum of 18°C (64°F), averaging only 2°C (36°F). While February has less precipitation at 90 mm (3.5 in) over 10 days, the humidity is slightly higher at 87%. For more detailed insights on February weather, you can check Kranj weather in February.
In comparing the weather between September and March, notable differences emerge. September experiences milder temperatures with a minimum of 0°C (33°F), an average of 15°C (59°F), and a maximum of 28°C (83°F). This month also sees higher precipitation, totaling 170 mm (6.7 in) over about 13 days, coupled with a humidity level of 74%. In contrast, March is much colder, with minimum temperatures plunging to -16°C (3°F) and an average of 5°C (40°F), reaching a maximum of 21°C (70°F). Although March has less precipitation, at 80 mm (3.1 in) over 10 days, the humidity slightly rises to 82%. For more detailed insights into March weather patterns, visit Kranj weather in March.
Comparing the weather in September and April reveals distinct seasonal characteristics. In September, temperatures are milder, with an average of 15°C (59°F) and highs reaching up to 28°C (83°F), offering a warm and pleasant atmosphere. In contrast, April experiences a cooler climate, with an average temperature of only 9°C (49°F) and lows dipping to -10°C (15°F). While September sees a higher precipitation level of 170 mm (6.7 in) over approximately 13 days, April has less rain, totaling 113 mm (4.4 in) over 12 days. Additionally, humidity levels are slightly higher in April at 79%, compared to 74% in September. For a deeper look at what to expect during this spring month, check out Kranj weather in April.
In comparing the weather of September and May, both months exhibit mild temperatures, but September tends to be warmer overall. September experiences a minimum temperature of 0°C, an average of 15°C, and a maximum of 28°C, while May has slightly cooler readings with a minimum of 0°C, an average of 13°C, and a maximum of 26°C. Precipitation is similar in both months, with September receiving 170 mm over 13 days and May slightly less at 168 mm over 20 days. Humidity levels remain consistent at 74% for both months. Those interested in learning more about May weather can refer to Kranj weather in May.
When comparing weather in September and June, notable differences emerge in temperature and precipitation patterns. September tends to have cooler temperatures, with averages around 15°C (59°F), while June enjoys warmer conditions, averaging 18°C (66°F), with a maximum reaching up to 33°C (92°F). Precipitation is more significant in September, totaling 170 mm (6.7 in) over 13 days, compared to June’s 105 mm (4.1 in) over 14 days. Humidity levels are quite similar, with September at 74% and June slightly higher at 75%. For more specific details, you can check Kranj weather in June.
In comparing the weather of September and July, it's evident that July tends to be warmer overall. With average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 31°C (88°F) and an average temperature of 19°C (67°F), July provides a more summer-like experience. In contrast, September starts off cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F).
Precipitation is another notable difference; September sees higher rainfall, totaling 170 mm (6.7 inches) across 13 days, compared to July's 122 mm (4.8 inches) over 16 days. Both months share the same humidity level of 74%, but July's warmer temperatures often make for a more comfortable feel despite the similar humidity. For a closer look at July's weather specifics, check out Kranj weather in July.
In comparing the weather of September and August, we can observe notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums plummeting to 0°C (33°F) and maximums reaching 28°C (83°F), resulting in an average of 15°C (59°F). In contrast, August maintains milder conditions, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 33°C (92°F), and an average of 20°C (68°F).
Precipitation levels also vary slightly, as September records a total of 170 mm (6.7 in) over 13 days, while August sees 146 mm (5.8 in) of rain across 15 days. This indicates that September tends to be wetter despite having fewer rainy days. Additionally, September's humidity averages at 74%, higher than August's 68%, suggesting a more humid atmosphere as summer transitions to autumn.
For a more detailed look at the weather conditions in August, please refer to Kranj weather in August.
September and October present a notable shift in weather conditions. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). The month experiences significant precipitation, totaling 170 mm (6.7 in) over 13 days, and maintains a humidity level of 74%. In contrast, October sees cooler temperatures, with a minimum of -1°C (31°F), an average of 10°C (50°F), and a maximum of 22°C (73°F). Precipitation decreases to 96 mm (3.8 in) across 10 days, while humidity rises to 88%. For more detailed weather insights, you can check out Kranj weather in October.
September and November showcase a stark contrast in weather conditions. In September, temperatures range from a minimum of 0°C (33°F) to a comfortable maximum of 28°C (83°F), with an average of 15°C (59°F). The month experiences considerable precipitation, totaling 170 mm (6.7 in) over 13 rainy days, while humidity sits at a moderate 74%. In contrast, November presents a much cooler climate, with temperatures dropping to a minimum of -11°C (12°F) and averaging around 5°C (42°F), peaking at 18°C (64°F). The month is slightly drier, with 154 mm (6.1 in) of precipitation across 11 days, but humidity rises to a higher 90%. For those interested in the specifics of November weather in Kranj, more details can be found here: Kranj weather in November.
September and December present stark contrasts in weather patterns. In September, temperatures range from a refreshing 0°C (33°F) to a warm 28°C (83°F), with an average of 15°C (59°F). This month experiences considerable precipitation with 170 mm (6.7 in) spread over 13 days, and a moderate humidity of 74%. In contrast, December plunges into winter, where temperatures hover between a frigid -16°C (3°F) and a milder 12°C (53°F), with an average of 0°C (33°F). Despite slightly lower precipitation of 126 mm (5.0 in) over 11 days, the humidity rises to 89%, contributing to the chilly atmosphere. For those interested in more details, check out Kranj weather in December.
September in Kranj marks a notable transition from the warm summer months to the cooler embrace of autumn. With temperatures averaging around 15°C, the days are pleasant yet accompanied by a hint of crispness in the air. Unlike the sweltering highs experienced in July and August, September showcases a maximum that reaches a moderate 28°C, while occasionally dipping to cooler nights. The month is characterized by increased precipitation, accumulating about 170 mm over 13 days, a stark contrast to the drier summer months. The humidity hovers at a comfortable 74%, contributing to the refreshing ambiance that envelops the region. For those keen on understanding the broader climatic patterns, the detailed insights found in Kranj Climate provide a comprehensive overview.