Last updated: February 26, 2025
In September, Ossiach, Austria experiences a diverse climate marked by a maximum temperature reaching 27°C (81°F), an average temperature of 13°C (56°F), and a brisk minimum of -2°C (29°F). The month is characterized by a significant precipitation total of 156 mm (6.1 in) over approximately 14 days, contributing to a humid atmosphere with an average humidity level of 74%. This blend of warm days and cooler nights, along with regular rain showers, creates a picturesque setting perfect for enjoying the scenic beauty of the region.
In September, Ossiach, Austria, transitions into a delightful early autumn, showcasing a noticeable shift in temperatures. With minimums around -2°C (29°F), it marks the end of summer's warmth, while the average temperature settles at a comfortable 13°C (56°F). Daytime highs can still reach a pleasant 27°C (81°F), offering opportunities to enjoy the beautiful autumn foliage before the chill of winter sets in. This month serves as a bridge between the warmth of summer and the crispness of fall, allowing visitors to relish in the tranquil beauty of Ossiach as it begins to don its autumn cloak.
September in Ossiach, Austria, typically brings significant precipitation, with an average of 156 mm (6.1 in) over 14 days. This marks a slight decrease from the wetter months of July and August, which often see more intense rainfall, yet still allows for ample moisture as summer transitions into autumn. The month often experiences consistent showers, contributing to the lush landscapes that characterize the region. As the year progresses, precipitation begins to taper off, hinting at the drier and cooler months ahead. September's rainfall not only sustains the vibrant greenery but also sets the stage for a picturesque fall, blending the lingering warmth of summer with the crispness of autumn air.
In Ossiach, Austria, September showcases a notable shift in humidity, settling at 74%—a level consistent with the late summer months. Compared to the high humidity of January at 91% and the steady decline through the spring and summer, July and August both enjoyed a comfortable 74%. This slight rebound in September indicates a transition towards autumn, with humidity levels remaining relatively stable, yet still a marked decrease from the more humid fall months ahead, where October rises to 88% and November to 90%. Thus, September serves as a bridge between the warmth of summer and the crispness of autumn, offering a refreshing balance in this idyllic alpine region.
In September, Ossiach, Austria, experiences a notable shift as the UV Index settles at 7, categorizing it as high. This careful balance signals that while the summer intensity begins to fade, the sun still poses a substantial risk for prolonged exposure. With a burn time of 25 minutes, it's essential for outdoor enthusiasts to remain vigilant about sun protection as they transition into the autumn months. Notably, this is a decline from the peak summer months of July and August, which bore the brunt of a 10 UV Index. As daylight begins to shorten, September retains enough solar strength to warrant attention for safe sun practices. For more detailed information on local UV patterns, check out Ossiach UV Index.
UV Risk Categories
As summer gracefully fades into autumn, September in Ossiach, Austria, shines brightly with 305 hours of sun, holding onto the warmth of the season. This month reflects a delightful transition, as it features a significant drop from the sizzling peaks of July, which boasts a remarkable 409 hours of sunshine, yet remains considerably sunnier than the earlier months of the year. From the 184 hours of January to the 352 hours in May, the steady increase of daylight hours creates a delightful tapestry of changing seasons. September's generous sunlight welcomes outdoor explorers and nature enthusiasts, providing the perfect backdrop for enjoying the stunning landscapes of this charming locale before the days grow shorter and the chill of October brings 275 hours of light. This rhythm of sunlight offers a reminder of the ever-changing beauty, making Ossiach a captivating destination throughout the year.
In Ossiach, Austria, September offers a promising chance of sunny weather, with a 45% likelihood of bright days, making it one of the most favorable months for sunshine. As we transition from summer to autumn, the sun's presence slightly dips from the heights of July and August but remains above average compared to the late autumn months. Following a trend observed throughout the year, early fall maintains a respectable share of sunny days, allowing visitors to enjoy the scenic beauty of the region. With September's weather balancing warmth and clear skies, it’s an ideal time for outdoor activities and soaking up the last rays of summer.
As September unfolds in Ossiach, Austria, the daylight begins to wane, offering about 12 hours of sunlight—a gradual decline from the vibrant summer months. Following the peak of 15 hours in June, July, and August, the days shorten, heralding the approach of autumn. This month serves as a gentle transition, allowing residents to savor the last warm hues of late summer before the daylight dips further into the 10 hours typical of October. This trend showcases the enchanting rhythm of nature, where each season carries its own unique character, inviting all to embrace the changing landscape with each passing day.
As the warm days of summer fade, September in Ossiach brings a gentle caress of cooler breezes with an average wind speed of 1.3 m/s (3 mph). This stable, soft wind is reminiscent of August, marking a slight decline in wind activity as the region transitions into autumn. Notably consistent, the wind speeds remain relatively low throughout the summer months, ranging from a high of 1.7 m/s (4 mph) in April to a subdued 1.2 m/s (3 mph) by November. The shifting patterns reflect a serene, calm atmosphere that invites visitors to enjoy the tranquil beauty of Lake Ossiach as the vibrant foliage begins to paint the landscape, signaling the gentle arrival of fall.
The weather in Ossiach changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Ossiach and find detailed weather information for every month.
September and January showcase contrasting weather patterns. September experiences a milder temperature range, with minimums around -2°C (29°F) and maximums peaking at 27°C (81°F), resulting in an average of 13°C (56°F). This month accounts for significant precipitation, totaling 156 mm (6.1 in) over about 14 days, accompanied by a moderate humidity level of 74%. In contrast, January brings a much colder climate, with temperatures ranging from a frigid -18°C (-1°F) to a maximum of 9°C (48°F), averaging -3°C (26°F). Precipitation is notably less during this month, measured at just 38 mm (1.5 in) over approximately 7 days, yet the humidity is higher at 91%. For more detailed information, check out Ossiach weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 27°C (81°F), with an average of 13°C (56°F). The month sees considerable precipitation, totaling 156 mm (6.1 in) over approximately 14 days, accompanied by a moderate humidity of 74%. In comparison, February is much colder, with temperatures dipping as low as -24°C (-10°F) and averaging around 0°C (32°F), while the maximum reaches only 14°C (58°F). The month is significantly drier, with just 63 mm (2.5 in) of precipitation over 9 days and higher humidity levels at 87%. For a more detailed look at February weather in Ossiach, check out Ossiach weather in February.
When comparing the weather in September and March, significant differences emerge. September typically features a milder temperature range, with average highs reaching 27°C (81°F) and lows around -2°C (29°F), while March experiences cooler conditions, with average highs of 20°C (68°F) and lows dipping to -18°C (0°F). Precipitation is more prevalent in September, totaling 156 mm (6.1 in) over 14 days, compared to March's 64 mm (2.5 in) over 11 days. Additionally, humidity levels in March are slightly higher at 82%, compared to 74% in September. For a closer look at the specific conditions in March, you can check out Ossiach weather in March.
September generally offers warmer weather compared to April, with average temperatures reaching 13°C (56°F) and maximums hitting 27°C (81°F). In contrast, April has a cooler average of 8°C (46°F) and peaks at 24°C (76°F). Additionally, September experiences more precipitation, totaling 156 mm (6.1 in) over 14 days, while April sees less rain, with 86 mm (3.4 in) across 12 days. Humidity levels are slightly higher in April at 79% compared to September's 74%. For a more detailed look at April conditions, you can visit Ossiach weather in April.
In comparing the weather of September and May, both months exhibit a similar range of temperatures, with September experiencing a minimum of -2°C (29°F) and an average of 13°C (56°F), while May has a minimum of -1°C (31°F) and an average of 11°C (53°F). Both months also share the same maximum temperature of 27°C (81°F). Precipitation levels are slightly higher in September at 156 mm (6.1 in) over 14 days, compared to May's 153 mm (6.0 in) spread across 20 days. Interestingly, humidity levels remain constant at 74% for both months, contributing to the overall feel of the weather. For more detailed insights on May's conditions, visit Ossiach weather in May.
In comparing the weather of September and June, September tends to have a wider temperature range, with minimums dropping to -2°C (29°F) and maximums reaching 27°C (81°F), resulting in a cooler average of 13°C (56°F). In contrast, June typically offers milder conditions, with minimums around 2°C (36°F) and maximum temperatures peaking at 33°C (92°F), leading to a warmer average of 17°C (62°F). While September experiences a higher total precipitation of 156 mm (6.1 in) over 14 days, June brings slightly less rain at 124 mm (4.9 in) across 16 days, resulting in a similar humidity level of around 74-75%. For a more detailed breakdown of June weather, you can check Ossiach weather in June.
In comparing the weather between July and September, September exhibits cooler temperatures overall, with a minimum of -2°C (29°F) and an average of 13°C (56°F), whereas July tends to be milder with a minimum of 7°C (45°F) and an average of 17°C (64°F). The maximum temperatures also reflect this difference, reaching 27°C (81°F) in September compared to 30°C (87°F) in July. While both months experience relatively high humidity at 74%, September sees a slightly higher level of precipitation, totaling 156 mm (6.1 in) over 14 days, compared to July's 139 mm (5.5 in) over 18 days. For more detailed insights into July's weather, you can check Ossiach weather in July.
In comparing the weather of September and August, September experiences a cooler temperature range, with a minimum of -2°C (29°F) and a maximum of 27°C (81°F), while August is notably warmer, with a minimum of 5°C (41°F) and a maximum reaching 33°C (91°F). Though both months see considerable precipitation, September records 156 mm (6.1 in) over 14 days, slightly less than August's 168 mm (6.6 in) over 16 days. Furthermore, the humidity in September is higher at 74%, compared to August's 68%, contributing to a distinctly different feel to the weather as summer transitions into autumn. For more specifics on the August weather, you can visit Ossiach weather in August.
When comparing the weather in September and October, notable differences emerge. September experiences a wider temperature range, with minimums of -2°C (29°F) and maximums reaching up to 27°C (81°F), leading to an average temperature of 13°C (56°F). It also sees significant rainfall, with 156 mm (6.1 in) recorded over 14 days and a humidity level of 74%. In contrast, October brings cooler conditions, with an average temperature dropping to 9°C (48°F) as maximums cap at 20°C (69°F), while maintaining the same minimum of -2°C (29°F). Precipitation decreases to 81 mm (3.2 in) over just 9 days, accompanied by higher humidity at 88%. For a detailed look at specific climate conditions, check Ossiach weather in October.
In comparing the weather between September and November, it’s evident that September experiences a wider temperature range, with a minimum of -2°C (29°F) and a maximum of 27°C (81°F). This month averages a more comfortable 13°C (56°F) and has a relatively high humidity level of 74%. Conversely, November sees significantly colder temperatures, with a minimum of -10°C (14°F) and an average of just 4°C (39°F). The maximum temperature in November is only 17°C (63°F), indicating a notable cooling trend. Additionally, November features slightly less precipitation at 114 mm (4.5 in) over 11 days, although the humidity rises to a notable 90%. For a closer look at the climate during this month, you can visit Ossiach weather in November.
In September, the weather in Ossiach is characterized by a significant temperature range, with minimums dropping to -2°C (29°F) and maximums reaching a pleasant 27°C (81°F). This month experiences an average temperature of 13°C (56°F) and is marked by higher humidity at 74%, along with considerable precipitation of 156 mm (6.1 in) over 14 days. In contrast, December brings much colder conditions with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 9°C (48°F), resulting in an average temperature of -1°C (30°F). December features less overall precipitation at 98 mm (3.9 in) spread over 11 days, but the humidity increases to 89%, contributing to a distinctly chillier atmosphere. For more details on December's weather patterns, visit Ossiach weather in December.
As September ushers in the first hints of autumn, Ossiach experiences a remarkable transition in its weather profile. While the days can still reach a pleasant warmth, cooling evenings remind residents and visitors alike that summer is fading. Overall, September is characterized by a noticeable spike in humidity and a rise in precipitation, reflecting a shift toward wetter conditions compared to the drier summer months. As the landscape transforms with vibrant fall colors, this is the perfect time to enjoy the scenic beauty of the region before winter takes hold. For a closer look at the annual trends, explore the full details on the Ossiach Climate.