Last updated: February 26, 2025
In Unterach (Attersee), Austria, September brings a delightful mix of warm days and cooler nights, with maximum temperatures reaching 27°C (81°F) while averaging around 13°C (55°F). However, the season's charm is accompanied by a hint of unpredictability, as the area experiences about 156 mm (6.1 in) of rainfall over 16 days, contributing to a 74% humidity level. This blend of climate conditions creates a picturesque backdrop for both outdoor adventures and tranquil reflections by the lake, making September a particularly memorable time to visit.
In September, Unterach (Attersee), Austria experiences a notable shift as summer makes its graceful exit. With temperatures ranging from a chilly -2°C (29°F) at night to a pleasant 27°C (81°F) during the day, the weather offers a delightful mix of crisp fall air and lingering warmth. The average temperature settles around 13°C (55°F), creating a perfect setting for outdoor activities amidst stunning autumn scenery. As the month progresses, the transition from the sweltering summer heat — where highs reached up to 33°C (92°F) in both July and August — becomes evident, inviting visitors to relish the more temperate climate and vibrant colors that signal the arrival of fall.
In September, Unterach experiences a moderate precipitation level of 156 mm (6.1 in), falling between the wettest summer months and the drier weeks ahead. With rain recorded on 16 days, this month maintains a balanced rhythm of wet weather that prepares the landscape for the autumn months. Strikingly, September's rainfall marks a slight decline from the torrential downpours of July and August but still surpasses the drier spells in October and November. Overall, this transitional month exhibits a trend of steady moisture, pivotal for sustaining the lush greenery of the Attersee region as summer gives way to fall.
In September, humidity levels in Unterach (Attersee) settle at a comfortable 74%, maintaining the trend of mild moisture seen during the summer months. After a gradual decline from the peak of 91% in January, humidity dips to its lowest point in August at 68%, only to slightly rebound in September. This transitional month signals the onset of autumn, with humidity beginning to rise again in October, where it climbs back to 88%. Overall, the striking fluctuation in humidity illustrates the region's shift from the warmer summer climate to the cooler, crisp conditions characteristic of fall.
In September, Unterach (Attersee) experiences a UV Index of 7, categorizing it within the high exposure range. This reflects a slight decline from the peak summer months, where indices reached 9 in both July and June, signaling the gradual onset of fall. With a burn time of 25 minutes, sun safety remains essential, particularly during midday when the sun's rays are most intense. As the year transitions from summer to autumn, visitors should remain vigilant about sun exposure, especially after a season of notably high UV levels. To stay informed, check the detailed trends and forecasts at Unterach (Attersee) UV Index.
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September in Unterach at Attersee brings a gentle transition from the vibrant summer months. With 290 sunshine hours, it reflects a notable shift from the peak brightness of July's 396 hours, yet remains comfortably sunny compared to the waning light of autumn. As the leaves begin to turn, visitors can still relish the warmth of early fall, while enjoying outdoor pursuits against the stunning backdrop of the lake. This month stands as a bridge, where the lingering summer sun can still be savored before the cooler, shorter days of October set in, which offers 269 hours of daylight. The gradual decline in sunshine hours underscores nature's rhythmic cycle, inviting both locals and travelers to embrace the serene beauty of change.
In Unterach (Attersee), Austria, September stands out with a 49% chance of sunny weather, making it one of the sunniest months of the year. This notable increase in sunshine contrasts sharply with the earlier summer months, where July and August see slightly lower probabilities of sun at 35% and 31% respectively. Interestingly, as the seasons shift from summer to autumn, the likelihood of sunny days actually improves, rising from a dip in May's 26% to September's robust outlook. Coupled with the stunning autumn foliage, this makes September an alluring time to experience the charm of the Attersee region under a favorable sky.
As September unfolds in Unterach (Attersee), daylight begins to wane, offering approximately 12 hours of sunlight—a gentle transition from the elongated days of summer. Starting the year with about 8 hours in January, the days gradually lengthen, peaking in the brightness of 15 hours during both May and June before plateauing through July. However, as August's warmth gives way to cooler temperatures, daylight starts to recede, marking the onset of autumn. The month of September showcases a significant drop as daylight retreats toward 10 hours in October, highlighting the rhythmic cycle of seasons, where nature gradually prepares for the quietude of winter.
As summer gracefully transitions into autumn, September in Unterach brings with it a subtle shift in the winds. With an average wind speed of 1.5 m/s (3 mph), September sees a continuation of the calm breezes that have characterized the preceding months of July and August. This year, the winds remain gentle, mirroring the trend of lower speeds observed during the peak of summer. As nature prepares for the cooler months ahead, these soft winds provide a tranquil backdrop, inviting peaceful strolls along the picturesque shores of Attersee. The shift in seasons may be marked by quieter days, but the serene beauty of this Austrian gem remains ever captivating.
The weather in Unterach (Attersee) 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 Unterach (Attersee) and find detailed weather information for every month.
September and January showcase stark contrasts in weather characteristics. September experiences milder temperatures, ranging from a minimum of -2°C (29°F) to an average of 13°C (55°F) and a maximum of 27°C (81°F), accompanied by a moderate humidity of 74%. In contrast, January plunges into much colder conditions, with temperatures dipping as low as -19°C (-2°F) and averaging -2°C (28°F), peaking at 9°C (49°F). Precipitation is slightly lower in January at 141 mm (5.5 in) over 14 days, compared to September’s 156 mm (6.1 in) over 16 days, yet January's higher humidity of 91% adds to the overall chill. For more detailed insights, you can check Unterach (Attersee) weather in January.
September weather in Unterach typically features a mild temperature range, with a minimum of -2°C (29°F) and a pleasant average of 13°C (55°F) that peaks at a comfortable 27°C (81°F). The month sees significant precipitation, averaging 156 mm (6.1 in) over 16 days, with humidity levels around 74%. In contrast, February brings colder conditions, where temperatures drop significantly to a minimum of -20°C (-3°F) and an average of around 0°C (32°F), reaching a maximum of 15°C (60°F). While February experiences less precipitation at 112 mm (4.4 in) over 15 days, the humidity is notably higher at 87%. For more detailed insights, check out Unterach (Attersee) weather in February.
When comparing the weather in September and March, we see distinct differences in temperature and humidity. September typically enjoys milder temperatures, with a minimum of -2°C (29°F) and an average of 13°C (55°F), peaking at a pleasant 27°C (81°F). In contrast, March is much colder, with minimum temperatures plummeting to -18°C (1°F) and an average of only 2°C (37°F), although it does reach a maximum of 17°C (64°F) on occasion. Both months experience considerable precipitation, but September receives more at 156 mm (6.1 in) over 16 days, compared to March's 125 mm (4.9 in) over 17 days. Additionally, March is slightly more humid, with levels at 82%, compared to September's 74%. For more details, check Unterach (Attersee) weather in March.
When comparing the weather in September and April, notable differences emerge in both temperature and precipitation patterns. September boasts milder temperatures, with a minimum of -2°C (29°F) and an average of 13°C (55°F), reaching a maximum of 27°C (81°F). In contrast, April experiences a chillier minimum of -10°C (14°F) and a lower average of 7°C (45°F), despite peaking at 24°C (76°F). Additionally, September is wetter, featuring 156 mm (6.1 in) of precipitation over 16 days, compared to April's 99 mm (3.9 in) over just 13 days. The humidity levels are somewhat similar, with September at 74% and April slightly higher at 79%. For more detailed information on April weather, you can visit Unterach (Attersee) weather in April.
When comparing the weather in September and May, it's clear that both months offer a mix of temperatures and precipitation. In September, the average temperature is slightly warmer at 13°C (55°F) compared to May's 11°C (52°F), with a maximum temperature that can reach up to 27°C (81°F). However, May experiences a lower minimum temperature of -6°C (22°F) versus September's -2°C (29°F).
Precipitation levels are notably higher in May, with 208 mm (8.2 in) falling across 23 days, compared to September's 156 mm (6.1 in) over 16 days. Despite the increased rainfall in May, both months share the same humidity level of 74%. For a detailed understanding of how May weather unfolds, you can check out Unterach (Attersee) weather in May.
In comparing the weather of September and June, it is evident that June tends to be warmer overall. The minimum temperature in June is slightly higher at 2°C (36°F) compared to September's chilly minimum of -2°C (29°F). Additionally, June boasts an average temperature of 17°C (62°F), whereas September's average sits at a cooler 13°C (55°F). On the other hand, September experiences higher maximum temperatures, reaching up to 27°C (81°F) compared to June's peak of 32°C (89°F). Precipitation levels are quite similar with June having 179 mm (7.0 in) over 17 days, while September records 156 mm (6.1 in) over 16 days, and the humidity remains relatively close at 74% for September and 75% for June. For more detailed information about June weather in Unterach, you can check Unterach (Attersee) weather in June.
When comparing the weather in September and July, notable differences emerge in temperature and precipitation. September sees a wider temperature range, with minimums dipping to -2°C (29°F) and maximums reaching up to 27°C (81°F), while July maintains a warmer average with temperatures ranging from 6°C (44°F) to 33°C (92°F). Additionally, July experiences a higher total precipitation of 215 mm (8.5 in) over 20 days, compared to September's 156 mm (6.1 in) across 16 days, indicating a wetter month overall. Despite the differences, both months share a consistent humidity level of 74%. For more details on July weather, you can check Unterach (Attersee) weather in July.
Comparing the weather between September and August reveals some notable differences. In September, the temperatures drop with a minimum of -2°C (29°F) and an average of 13°C (55°F), while August enjoys warmer conditions, starting at a minimum of 5°C (40°F) and averaging 17°C (63°F). The maximum temperatures also reflect this trend, reaching only 27°C (81°F) in September compared to a sweltering 33°C (92°F) in August. Additionally, September experiences more days of precipitation, with rain falling on 16 days and accumulating 156 mm (6.1 in), while August has slightly higher rainfall at 190 mm (7.5 in) over 18 days. Humidity is also higher in September at 74% compared to 68% in August. For more details on the weather in August, you can check Unterach (Attersee) weather in August.
September and October present a noticeable transition in weather patterns. In September, the temperatures range from a minimum of -2°C (29°F) to a maximum of 27°C (81°F), with an average of 13°C (55°F). The month experiences significant precipitation, totaling 156 mm (6.1 in) over 16 days, and maintains a humidity level of 74%. Conversely, October sees a drop in average temperature to 9°C (48°F), with highs reaching only 22°C (72°F), while the minimum remains at -2°C (28°F). Precipitation decreases slightly to 140 mm (5.5 in) over 14 days, and humidity rises to 88%, indicating a cooler and wetter atmosphere as autumn progresses. For more details, you can check the Unterach (Attersee) weather in October.
September and November present distinctly different weather patterns. In September, temperatures range from a brisk minimum of -2°C (29°F) to a pleasant maximum of 27°C (81°F), with an average temperature of 13°C (55°F). Precipitation is relatively high at 156 mm (6.1 in), spread over 16 days, and the humidity sits at a moderate 74%. In contrast, November experiences colder temperatures, with a minimum of -10°C (14°F) and a lower average of 3°C (38°F), peaking at a maximum of 18°C (64°F). The month sees decreased precipitation at 86 mm (3.4 in) over 10 days, but humidity increases to 90%. For more specific information about the weather in November, check out Unterach (Attersee) weather in November.
September and December present contrasting weather conditions in terms of temperature, precipitation, and humidity. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 27°C (81°F), averaging around 13°C (55°F), while December experiences much colder temperatures with a minimum of -15°C (5°F) and a maximum of 12°C (54°F), resulting in an average of -1°C (31°F). Precipitation is slightly higher in December, totaling 168 mm (6.6 in) over 18 days, compared to September's 156 mm (6.1 in) over 16 days. Additionally, humidity levels rise significantly in December to 89%, compared to September's 74%. For a detailed look at December weather in this region, refer to Unterach (Attersee) weather in December.
As September unfolds in Unterach (Attersee), the weather becomes a captivating blend of warm days and crisp nights, marking a transition from the warmth of summer to the chilliness of autumn. Visitors can expect a maximum temperature that occasionally peaks at a balmy 27°C, offering a final taste of summer, while the average and minimum temperatures remind us that cooler days are on the horizon. With about 16 days of precipitation and humidity lingering around 74%, this month brings a refreshing shift, making September an ideal time for those who appreciate vibrant autumn hues and tranquil lake views. For a deeper dive into seasonal variations, check out Unterach (Attersee) Climate.