Last updated: August 27, 2025
In September, Tolmin, Slovenia experiences a delightful range of temperatures, with highs reaching 26°C (78°F) and lows dipping to a crisp 0°C (33°F). The average temperature settles at a comfortable 14°C (58°F), making it an ideal time for outdoor activities amidst the stunning autumn scenery. However, visitors should be prepared for moderate rainfall, as the region receives approximately 189 mm (7.4 in) of precipitation over 15 days, contributing to a humidity level of 74%. This combination of warm days and refreshing showers nourishes the lush landscapes, inviting exploration of the picturesque surroundings.
As summer fades into autumn, September in Tolmin, Slovenia offers a delightful transition marked by milder temperatures. With minimums hovering around 0°C (33°F) and averages reaching 14°C (58°F), the crisp air invites outdoor adventures while retaining a pleasant warmth during the day, peaking at about 26°C (78°F). This moderate climate is perfect for exploring the stunning landscapes that surround the quaint town, allowing visitors to soak in the breathtaking views before the chill of October sets in. As the days gradually shorten, September serves as a gentle reminder of the changing seasons, blending the lingering warmth of summer with the refreshing coolness of fall.
September in Tolmin, Slovenia, marks a notable peak in precipitation, with 189 mm (7.4 in) recorded over 15 days. This uptick follows a summer of substantial rainfall, particularly in May and August, reflecting a seasonal transition. As temperatures cool, the consistency of rain suggests a shift from the earlier, more sporadic summer showers to a more persistent autumn wetness. Interestingly, September's precipitation total is not only higher than that of the preceding months but also sets the stage for a wet fall, indicating that the region braces for the moisture-rich months ahead. This pattern underscores the importance of early autumn rains in replenishing local ecosystems and preparing them for the winter ahead.
As summer transitions into autumn, September in Tolmin, Slovenia, exhibits a notable shift in humidity levels. Following the warm, drier months of July and August, which saw humidity drop to 74% and 68% respectively, September's humidity returns to a more moderate 74%. This stability hints at the approach of the wetter fall months ahead, as humidity begins to climb dramatically towards the year's end. Notably, the higher humidity levels of October (88%) and November (90%) contrast sharply with September's figures, reflecting the seasonal change and increased precipitation. This gradual rise serves as a gentle reminder of autumn’s embrace, bridging the gap between summer’s warmth and winter’s chill.
In September, Tolmin experiences a UV Index of 7, placing it in the high exposure category, which means you should be cautious while enjoying the sun. With a burn time of 25 minutes, it's essential to apply sunscreen and seek shade to protect your skin during peak hours. As summer transitions to autumn, the UV Index is on a slight decline from the very high levels of July and August (both at 9), reflecting a gradual shift in seasonal sun intensity. This trend of decreasing UV levels continues into October and November, where indices drop to 5 and 3, respectively. For more information and tips on sun safety, visit Tolmin UV Index.
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September in Tolmin, Slovenia, offers a delightful transition from the sun-drenched peak of summer to the cooler embrace of autumn. With 305 hours of sunshine, this month enjoys a generous share of light, though it marks a noticeable dip from the vibrant 409 hours in July. The trend showcases a gradual decline in daylight as the year progresses, yet September still boasts substantially more sun than the winter months that follow, like 198 hours in December. This plentiful sunshine, paired with the rich autumn hues beginning to emerge, makes September an enchanting time to explore the picturesque landscapes of Tolmin.
As September rolls into Tolmin, Slovenia, the likelihood of basking in sunny weather hovers at 43%, placing it on par with the preceding summer months of July and August. This slight increase in sunshine compared to the spring months reflects a trend of lingering warmth as summer wanes, inviting outdoor enthusiasts to make the most of the pleasant early autumn days. However, as the month progresses and October nears, the chances of sun begin to dwindle, highlighting September as a sweet spot for those seeking a final taste of summer's charm before the clouds return.
As September settles in Tolmin, Slovenia, the daylight begins to wane, offering around 12 hours of sunlight—a noticeable decrease from the sun-drenched summer months. Following the peak of 15 hours in June and July, this month marks a gentle transition into the shorter days of autumn, paralleling the gradual shift seen from the vibrant 14 hours of August. The trend of increasing daylight hours from 9 hours in January to a summer high before the gradual decline reflects the cyclical dance of the seasons, emphasizing the fleeting beauty of daylight as it gracefully ebbs toward October. This change invites residents and visitors alike to embrace the outdoors while they can, basking in the golden hues of early autumn before the colder months set in.
As September unfolds in Tolmin, Slovenia, the wind settles into a gentle rhythm, with an average speed of 1.5 m/s (3 mph). This month mirrors the calmness of the preceding summer months, where consistent breezes offered a refreshing respite. With a slight dip from the spring and early summer highs, the wind embraces a tranquil presence, making it an ideal time for leisurely strolls and outdoor gatherings. As autumn approaches, one can anticipate a shift in the air, with the promise of brisker winds in October. However, for now, September's soft whispers of wind create a serene backdrop, inviting residents and visitors alike to bask in the mild, golden days of early fall.
Weather in Tolmin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tolmin, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly contrasting weather conditions. In September, temperatures range from a chilly 0°C (33°F) at night to a warm 26°C (78°F) during the day, with an average of 14°C (58°F). This month features a higher amount of precipitation, totaling 189 mm (7.4 in) over approximately 15 days, coupled with a humidity level of 74%. Conversely, January sees significantly lower temperatures, with nighttime lows dipping to -14°C (7°F) and daytime highs only reaching 8°C (47°F), resulting in an average of -2°C (29°F). Precipitation decreases to 65 mm (2.6 in) across just 6 days, and humidity rises to a notable 91%. For a detailed look at January weather in Tolmin, you can check Tolmin weather in January.
September and February present strikingly different weather patterns. In September, temperatures range from a chilly 0°C (33°F) at night to a warm 26°C (78°F) during the day, with an average of 14°C (58°F) and relatively high humidity at 74%. This month also sees considerable rainfall, with 189 mm (7.4 in) falling over about 15 days. In contrast, February experiences much colder conditions, with nighttime temperatures dipping to -17°C (2°F), an average of just 1°C (34°F), and daytime highs reaching 16°C (62°F). Precipitation is lower at 122 mm (4.8 in) over about nine days, but the humidity is higher at 87%. For a closer look at February weather in this region, visit Tolmin weather in February.
In September, the weather is generally milder, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 26°C (78°F), and an average temperature of 14°C (58°F). However, this month sees considerable precipitation, with 189 mm (7.4 in) falling over 15 days, resulting in a humidity level of 74%. In contrast, March experiences colder temperatures, with a minimum of -17°C (2°F) and a maximum of 20°C (68°F), averaging around 4°C (39°F). The month has less precipitation at 113 mm (4.5 in) across 11 days, but the humidity is slightly higher at 82%. For more details on the weather conditions in March, you can visit Tolmin weather in March.
September and April present contrasting weather patterns, with September being notably warmer and more humid. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 26°C (78°F), with an average of 14°C (58°F). The month sees about 189 mm (7.4 in) of precipitation over 15 days, resulting in a humidity level of 74%. In contrast, April experiences cooler temperatures, with a minimum of -10°C (15°F), an average of 8°C (47°F), and a maximum of 24°C (76°F). The precipitation in April totals 155 mm (6.1 in) across 14 days, with a slightly higher humidity of 79%. For more detailed information, you can visit Tolmin weather in April.
September weather contrasts slightly with that of May, presenting a warmer atmosphere with higher average daytime temperatures. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 26°C (78°F), showcasing a more pleasant climate compared to May's average temperatures, which fluctuate between -1°C (31°F) and 24°C (75°F). However, September experiences more concentrated rainfall, with 189 mm (7.4 in) over 15 days, while May sees a slightly higher total of 219 mm (8.6 in) across 23 days. Notably, both months share a consistent humidity level of 74%, creating a similarly moist environment. For a deeper look into May weather patterns, visit Tolmin weather in May.
When comparing the weather in September to that of June, there are notable differences in temperature and precipitation. September features cooler temperatures, with a minimum of 0°C (33°F) and an average of 14°C (58°F), peaking at 26°C (78°F). In contrast, June sees warmer temperatures, with a minimum of 4°C (39°F) and an average of 18°C (64°F), reaching up to 33°C (92°F). Additionally, September experiences higher precipitation at 189 mm (7.4 in) over 15 days, compared to June's 143 mm (5.6 in) across 17 days. Both months have similar humidity levels, with September at 74% and June at 75%. For more detailed insights about June weather, you can check Tolmin weather in June.
In comparing the weather between September and July, September experiences a broader temperature range with minimums dipping to 0°C (33°F) and maximums reaching up to 26°C (78°F), averaging around 14°C (58°F). In contrast, July is generally warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 30°C (87°F) and an average of 19°C (66°F). While both months have similar humidity levels at 74%, September sees a higher amount of precipitation at 189 mm (7.4 in) over 15 days, compared to July's 163 mm (6.4 in) over 19 days. For more detailed information, you can visit Tolmin weather in July.
In comparing the weather between August and September, one can observe notable differences in temperatures and precipitation. August typically has warmer temperatures, with a minimum of 7°C (45°F), an average of 19°C (67°F), and a maximum of 31°C (88°F). In contrast, September cools down significantly, featuring a minimum of 0°C (33°F), an average of 14°C (58°F), and a maximum of 26°C (78°F). Additionally, precipitation is slightly higher in September, totaling 189 mm (7.4 in) over 15 days, compared to August’s 172 mm (6.8 in) over 17 days. Humidity also rises in September, averaging 74%, compared to 68% in August. For those interested in more details about August conditions, you can visit Tolmin weather in August.
September typically offers a warm transition from summer, with temperatures ranging from a pleasant 0°C (33°F) at night to a maximum of 26°C (78°F) during the day. However, it also experiences significant rainfall, averaging 189 mm (7.4 in) over about 15 days, contributing to a humidity level of 74%.
In contrast, October marks a noticeable shift towards cooler weather. The average temperature drops to around 10°C (50°F), with nighttime lows dipping to -2°C (29°F) and daytime highs around 21°C (71°F). Rainfall decreases to 143 mm (5.6 in) over approximately 11 days, though the humidity rises to 88%, creating a distinctly crisp atmosphere. For more detailed insights into the weather specifics, you can explore the link: Tolmin weather in October.
September generally offers milder conditions compared to November, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 26°C (78°F), leading to a comfortable average of 14°C (58°F). In contrast, November sees a significant drop in temperatures, with lows plunging to -11°C (12°F) and an average of just 5°C (41°F). Additionally, while September experiences 189 mm (7.4 in) of precipitation over 15 days, November is slightly wetter with 200 mm (7.9 in) falling over 12 days, and higher humidity at 90%. For more detailed information, you can check Tolmin weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a mild minimum of 0°C (33°F) to a maximum of 26°C (78°F), with an average of 14°C (58°F). This month experiences considerable rainfall, totaling 189 mm (7.4 in) over 15 days, and maintains a humidity level of 74%. In contrast, December brings much colder temperatures, with a minimum of -14°C (8°F) and a maximum of 11°C (51°F), averaging around 0°C (32°F). Although precipitation is slightly less at 179 mm (7.0 in) over just 10 days, the humidity rises to a notable 89%, which can contribute to a more oppressive cold. For more on the specifics of December weather in this region, visit Tolmin weather in December.
September in Tolmin marks a transitional phase, where the summer warmth begins to give way to the crispness of autumn. With maximum temperatures still reaching a comfortable 26°C, the month offers a pleasant reprieve before the chill sets in. However, this time also brings increased precipitation, with rainfall occurring on half of the days in September, contributing to a notably humid atmosphere. As the lush greenery of late summer starts to fade, visitors can enjoy the picturesque changes in scenery alongside milder weather conditions. For a deeper dive into the nuances of Tolmin's climate throughout the year, explore Tolmin Climate.