Last updated: February 26, 2025
September in Au an der Donau, Austria brings a delightful mix of temperatures, ranging from a maximum of 32°C (89°F) to a cool 3°C (37°F). The average temperature rests at a pleasant 16°C (60°F), making it a great time for outdoor activities. However, be prepared for the occasional rain shower, as precipitation totals 70 mm (2.8 in) over approximately 10 days, contributing to the region's humidity levels at 82%. With its lush landscapes and mild climate, September offers a captivating experience for both locals and visitors alike.
As September rolls into Au an der Donau, Austria, it marks a delightful transition from the height of summer into the cooler embrace of autumn. With minimum temperatures starting at a refreshing 3°C (37°F) and peaking at a pleasant 32°C (89°F), the month delivers an average of 16°C (60°F), inviting outdoor activities under the golden sun. The crisp mornings hint at the coming chill, yet during the day, warm afternoons still reminisce of summer’s warmth. This blend of cooler nights and sun-kissed days makes September an ideal time to explore the enchanting landscapes, as nature dons vibrant hues preparing for the fall.
In September, Au an der Donau experiences a moderate precipitation level, averaging 70 mm (2.8 in) over 10 rainy days. This marks a slight decrease from the wetter months of spring and summer, where rainfall peaked in May at 94 mm (3.7 in). Interestingly, September's precipitation is consistent with August's 84 mm (3.3 in), suggesting a transition as summer gives way to autumn. The rainfall during this month typically fosters a vibrant landscape, balancing pleasant days with occasional showers, supporting both the lush greenery and the tranquil beauty that characterize this region as it shifts into cooler seasons.
In September, Au an der Donau experiences a notable consistency in humidity, maintaining a level of 82%, which aligns closely with the higher humidity observed in the preceding months of July and August. This slight dip from the summer peak suggests a transition towards the cooler autumn days ahead. Overall, the trend throughout the year reveals a clear seasonal pattern, with the most humid months occurring in the winter and early spring. As the year progresses, humidity tends to decrease gradually, reaching its lowest point in May before rebounding in the colder months. Thus, September serves as a pivotal shift, signaling the impending change of seasons while still retaining a comfortable level of moisture in the air.
In September, Au an der Donau experiences a UV Index of 6, indicating a high exposure category with a burn time of 25 minutes. This marks a slight decrease from the peak summer months, where UV levels reached a maximum of 9 in June and July. As temperatures begin to cool, residents and visitors should remain vigilant about sun protection, especially since August maintained similar high levels. It's a reminder that even as summer wanes, the sun can still pose a significant risk. For those planning outdoor activities, staying informed about the UV Index is essential; you can find more details here: Au an der Donau UV Index.
UV Risk Categories
September in Au an der Donau, Austria, is a time when summer gently begins to yield to autumn, offering a delightful 304 hours of sunshine. This month marks a transition from the summer peak, where July shines the brightest with 423 hours, to the more mellow days of October, which sees sunshine dwindle to 270 hours. The consistent sunshine trend from January's modest 138 hours to the vibrant summer months highlights the region's growth toward longer, sunnier days. As the leaves start to change, September balances warmth and light, inviting residents and visitors alike to savor the beauty of early fall under a golden sun.
In Au an der Donau, Austria, September emerges as a promising month for sun-seekers, boasting a 50% chance of sunny weather. This notable upswing in sunshine is a refreshing contrast to the cooler months preceding it, particularly April and May, where the likelihood dips to 38% and 30% respectively. The summer months of June and July maintain a steady 41%, hinting at a balanced climate, but September's increase suggests a delightful transition into autumn, where clearer skies become more common. Following this sunny peak, the chances begin to decline again towards October at 40%. Overall, September represents a sweet spot in the year's weather—a golden opportunity to bask in the last rays of summer before the clouds roll in for autumn.
As summer fades, September in Au an der Donau brings a gentle transition in daylight, offering about 12 hours of sunshine each day. This marks a noticeable shift from the long, sun-drenched days of June and July, which boast the peak of 16 hours. Following the vibrant summer months, the daylight begins to wane as autumn approaches, with average daylight decreasing to 10 hours by October. This gradual decline not only signals the changing of the seasons but also invites a cozy ambiance, making September a perfect time for outdoor activities while still enjoying the remnants of summer warmth before the shorter, cooler days of fall set in.
As autumn approaches in Au an der Donau, September brings a gentle shift in the winds, with an average speed of 2.3 m/s (5 mph). This slight decrease from the early summer months, which enjoyed more blustery conditions, reflects the overall trend of diminishing wind speeds leading into fall. While July and August remained calm, with wind speeds consistently at 2.4 m/s, September's breezes feel softer, signaling a transition into a quieter season. Interestingly, the wind picks up again toward November, suggesting that while September may be serene, it's simply a precursor to the more dynamic weather patterns that await as winter approaches.
The weather in Au an der Donau 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 Au an der Donau and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. September enjoys a broader temperature range with a minimum of 3°C (37°F) and a maximum of 32°C (89°F), while averaging 16°C (60°F). In contrast, January features chillier temperatures, with a minimum of -14°C (7°F) and a maximum of 13°C (57°F), averaging just 1°C (34°F). Precipitation levels are fairly similar, with September experiencing 70 mm (2.8 in) over 10 days and January slightly lower at 66 mm (2.6 in) across 11 days. Additionally, humidity levels are higher in January at 91% compared to 82% in September, contributing to a more frosty atmosphere. For more detailed insights, you can refer to Au an der Donau weather in January.
In September, weather conditions exhibit a warm and variable climate, with temperatures ranging from a chilly 3°C (37°F) at night to a warm 32°C (89°F) during the day, averaging around 16°C (60°F). The month also sees considerable rainfall of 70 mm (2.8 in) over about 10 days, accompanied by high humidity at 82%.
In contrast, February presents a much cooler environment, with temperatures dropping to a minimum of -11°C (12°F) and peaking at 17°C (64°F), while averaging only 3°C (38°F). This winter month experiences slightly less precipitation at 52 mm (2.0 in) over 11 days and a higher humidity level of 89%. This stark contrast highlights the transition from the warmth of early autumn to the chill of mid-winter. For more detailed information, you can refer to Au an der Donau weather in February.
When comparing the weather in September and March, notable differences emerge. September offers a warmer climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (89°F), averaging around 16°C (60°F). Precipitation is relatively moderate at 70 mm (2.8 in) over 10 days, accompanied by a humidity level of 82%. In contrast, March experiences much cooler temperatures, with a minimum of -12°C (11°F) and a maximum of 21°C (70°F), averaging only 5°C (42°F). The month sees slightly less precipitation at 59 mm (2.3 in) over 12 days, but higher humidity at 87%. For a detailed look at March weather specifics, you can visit Au an der Donau weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation. September experiences milder temperatures, with a minimum of 3°C (37°F) and an average of 16°C (60°F), peaking at 32°C (89°F). In contrast, April can be chillier, with minimum temperatures dipping to -5°C (24°F) and an average of 10°C (51°F), while reaching a maximum of 28°C (82°F). Precipitation is higher in September at 70 mm (2.8 inches) over about 10 days, while April sees a total of 40 mm (1.6 inches) over 9 days. Both months share the same humidity level of 82%, making them relatively humid periods of the year. For more detailed weather information specific to April, you can check Au an der Donau weather in April.
In comparing the weather of September and May, we observe some interesting contrasts. September typically experiences slightly warmer temperatures, with averages around 16°C (60°F) and maximums reaching 32°C (89°F), while May averages a cooler 14°C (58°F) and peaks at 30°C (87°F). Precipitation is notably higher in May, with 94 mm (3.7 in) spread over 16 days, compared to September's 70 mm (2.8 in) over 10 days. Additionally, September tends to be more humid, with levels at 82%, whereas May holds a slightly lower humidity of 76%. For more detailed insights into May weather patterns, you can check Au an der Donau weather in May.
In comparing the weather between September and June, we can observe distinct differences in temperatures and precipitation. September experiences a wider range in temperatures, with a minimum of 3°C (37°F), an average of 16°C (60°F), and a maximum of 32°C (89°F), while June has a slightly warmer minimum of 5°C (42°F) and an average of 20°C (68°F), reaching up to 35°C (95°F). Both months see significant precipitation, with September receiving 70 mm (2.8 in) over 10 days and June slightly higher at 78 mm (3.1 in) over 13 days. The humidity levels are relatively close, with September at 82% and June at 80%. For more detailed information about weather in June, you can refer to Au an der Donau weather in June.
In comparing the weather of September and July, it's clear that July tends to be warmer overall. With a minimum temperature of 8°C (48°F) and an average of 20°C (69°F), July offers a more summer-like experience compared to September's cooler minimum of 3°C (37°F) and an average of 16°C (60°F). Additionally, July boasts a higher maximum temperature, reaching up to 37°C (98°F), whereas September's peak is a milder 32°C (89°F).
However, July also sees more precipitation, with 88 mm (3.5 in) falling over 13 days, compared to September's 70 mm (2.8 in) over 10 days. Humidity levels are similar in both months, with July at 80% and September slightly higher at 82%. For more detailed insights, you can check Au an der Donau weather in July.
In comparing the weather of September to that of August, notable differences can be observed in temperature and precipitation patterns. September experiences a wider range of temperatures, with a minimum of 3°C and a maximum that can reach up to 32°C, contributing to an average of 16°C. In contrast, August is generally warmer, with a minimum temperature of 9°C and a maximum of 35°C, resulting in a higher average of 20°C. Additionally, while both months experience a similar humidity level of 82%, September sees slightly reduced precipitation at 70 mm over 10 days, compared to August's 84 mm over 12 days. For a detailed look at conditions for August, you can visit Au an der Donau weather in August.
In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 32°C (89°F), with an average temperature of 16°C (60°F). The month experiences 70 mm (2.8 in) of precipitation over 10 days and maintains a humidity level of 82%. In contrast, October sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 24°C (76°F), resulting in an average of 11°C (52°F). The total precipitation in October is slightly lower at 64 mm (2.5 in), also spread over 10 days, but humidity rises to 87%. For a closer look at the specific weather patterns, you can visit Au an der Donau weather in October.
In September, the weather is generally warmer with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (89°F), averaging around 16°C (60°F). The month experiences significant humidity at 82%, along with 70 mm (2.8 in) of precipitation over 10 days. In contrast, November brings much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 20°C (68°F), averaging only 5°C (42°F). Precipitation in November is lower, totaling 49 mm (1.9 in) over 9 days, while the humidity rises slightly to 89%. For more details on November weather, you can check out Au an der Donau weather in November.
In September, the weather tends to be much warmer, with average temperatures hovering around 16°C (60°F) and maximums reaching up to 32°C (89°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 10 days, with humidity levels at 82%. In stark contrast, December brings significantly cooler temperatures, with an average of 2°C (36°F) and lows dropping to -7°C (20°F). Precipitation increases slightly to 83 mm (3.3 in), occurring over 14 days, and humidity rises to 92%. For a more detailed look at December weather patterns, visit Au an der Donau weather in December.
As September arrives in Au an der Donau, the weather showcases a delightful transition into the fall season. Unlike the scorching summer months, temperatures begin to cool, offering a comfortable average that hovers around 16°C (60°F), with the occasional warm day peaking at 32°C (89°F). Rainfall becomes more frequent, with about 10 days of precipitation, contributing to the region's lush landscapes, though the air remains quite humid at 82%. This month provides a refreshing contrast to the heat of summer while hinting at the crispness of autumn to come. For a deeper understanding of the area's weather patterns, check out Au an der Donau Climate.