Last updated: February 26, 2025
In Hallein, Austria, September unveils a fascinating transition into autumn, characterized by a maximum temperature reaching 27°C (81°F) while cooling down to an average of 13°C (56°F). The month can be brisk, with lows dipping to -2°C (28°F), inviting warm attire for evening strolls. With 156 mm (6.2 in) of precipitation spread across 15 days, expect a blend of refreshing rain and seasonal beauty. Humidity hovers at a comfortable 74%, accentuating the crispness of the air and making the picturesque landscapes even more enchanting. Whether wandering through lush trails or exploring local culture, September in Hallein offers a vibrant tapestry of weather experiences.
In Hallein, Austria, September marks a refreshing transition from the heat of summer to the crispness of autumn. With temperatures ranging from a minimum of -2°C (28°F) to a maximum of 27°C (81°F), the month offers a comfortable average of 13°C (56°F), perfect for outdoor activities. As the days slowly shorten, residents and visitors alike can enjoy the mild climate, which still retains traces of summer warmth, making it an ideal time for exploring the stunning landscapes. This blend of cooler mornings and pleasantly warm afternoons highlights the gradual shift in the weather, inviting nature enthusiasts to experience the region's enchanting scenery as autumn approaches.
In September, Hallein experiences a notable shift in weather patterns, with precipitation totaling 156 mm (6.2 in) over approximately 15 days of the month. This amount, while lower than the peak summer months of July and August, signifies a robust transition into autumn, contributing to the overall yearly rainfall. As cooler temperatures begin to prevail, September’s precipitation reflects a decrease compared to the significantly wetter May and July, yet it remains substantial enough to hydrate the lush landscapes surrounding the region. This steady fall in rainfall days underscores a gradual winding down of the summer deluges, paving the way for the crisp, clear days of autumn ahead.
As September rolls in Hallein, Austria, the humidity begins to stabilize after the summer months. At 74%, September's humidity mirrors that of the preceding July and August, indicating a shift from the drier summer spell toward the wetter tendencies of autumn. This slight increase marks a transition as the landscape prepares for the impending rainier months of October and November, which see humidity levels surging back to the high 80s and low 90s. Overall, September represents a pivotal point in the year where the crispness of fall starts to blend with the residual warmth of summer, setting the stage for the changing seasons.
In September, Hallein, Austria experiences a notable shift in sunlight exposure, with a UV Index of 6, categorized as high. This indicates a moderate risk of harm from unprotected sun exposure, where the recommended burn time is 25 minutes. Compared to the preceding summer months, where the UV Index peaked at 9, September offers a slight reprieve, yet vigilance remains essential, especially for those planning outdoor activities. As autumn approaches, the reduction in index suggests a gradual decline in risk, but it serves as a reminder that UV radiation can still be potent during early fall. For more insights on UV exposure trends throughout the year, visit Hallein UV Index.
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September in Hallein, Austria, basks in 298 hours of sunshine, marking a delightful transition from the peak summer months. As the warmth of July, with its impressive 397 hours of sunlight, gives way to the more tempered light of autumn, September still enjoys a robust amount of sunshine. This month reflects a gradual decline in daylight, following the vibrant summer, yet it remains one of the sunniest times of the year, significantly brighter than the cloudier winter months ahead. The drop from August's 358 hours is gentle, suggesting that while summer wanes, the golden glow of early fall still invites residents and visitors alike to embrace the outdoors and savor the last warm days before October’s chill sets in.
As summer fades into autumn, September in Hallein, Austria offers a refreshing shift in weather patterns, boasting a 48% chance of sunny days. This marks a significant increase compared to the preceding months of July and August, which see sun probabilities of 34% and 31%, respectively. Notably, September emerges as one of the sunnier months of the year, surpassing five other months, including the typically brighter February, with its 45% chance of sunshine. This upward trend in sunlight makes September an appealing time for outdoor activities and enjoying the picturesque landscapes of Hallein, as the golden hues of autumn begin to paint the scenery.
As summer transitions into autumn in Hallein, Austria, September brings a moderate shift in daylight duration, offering about 12 hours of sunlight each day. This marks a notable decrease from the height of summer, where the long sunlit days of June, July, and August boast around 15 hours. As the year progresses from the sun-filled months of May and June, August experiences a gradual decline, leading into September's more temperate light. This pattern not only highlights the dynamic nature of daylight availability but also sets the stage for the cozy atmosphere of autumn, with October's shorter days preparing residents for the forthcoming winter months.
As September settles in Hallein, Austria, the wind takes on a serene character, with an average speed of 1.5 m/s (3 mph). This gentle breeze mirrors the overall trend of diminishing wind speeds experienced throughout the summer months, where July and August also recorded the same calmness. Interestingly, September’s breezy conditions mark a distinct contrast to the slightly more vigorous winds of earlier spring months, where speeds hovered around 1.8 to 1.9 m/s (4 mph). As autumn approaches, the subtle shift hints at the tranquil beauty of the season, inviting residents and visitors alike to enjoy the crisp air and the picturesque landscape.
The weather in Hallein 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 Hallein and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, the temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 27°C (81°F), with an average of 13°C (56°F). The month experiences considerable rainfall, totaling 156 mm (6.2 in) over about 15 days, accompanied by a humidity of 74%. In contrast, January is much colder, with temperatures dipping as low as -21°C (-6°F) and peaking at only 10°C (51°F), leaving an average temperature of -2°C (28°F). Precipitation is slightly lower at 135 mm (5.3 in) over 13 days, but the humidity is higher at 91%. For a more detailed look, check out Hallein weather in January.
In September, temperatures in Hallein range from a minimum of -2°C (28°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F). The month sees considerable rainfall, totaling 156 mm (6.2 in) over approximately 15 days, accompanied by a humidity level of 74%. In contrast, February presents much colder conditions, with a minimum temperature dropping to -19°C (-2°F) and an average of 0°C (33°F), peaking at 16°C (61°F). The precipitation is lower, measuring 112 mm (4.4 in) over about 14 days, but humidity is higher at 87%. For a more detailed look at the February climate, you can check Hallein weather in February.
September and March present quite contrasting weather conditions. In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 27°C (81°F), with an average of 13°C (56°F). This month experiences significant rainfall of 156 mm (6.2 in) over about 15 days, accompanied by a humidity level of 74%. In contrast, March is markedly colder, with temperatures varying from a minimum of -18°C (0°F) to a maximum of 18°C (64°F) and an average temperature of just 3°C (38°F). While March's precipitation is slightly lower at 125 mm (4.9 in) across 17 days, it has a higher humidity level of 82%. For a more detailed view, you can check Hallein weather in March.
When comparing the weather in September and April, there are notable differences in temperature and precipitation patterns. September enjoys a milder average temperature of 13°C (56°F) with maximums reaching 27°C (81°F), while April typically has a cooler average of 8°C (46°F), peaking at 25°C (77°F). In terms of precipitation, September is wetter with 156 mm (6.2 in) over 15 days, compared to April's 103 mm (4.0 in) over 13 days. Additionally, humidity levels are slightly higher in April at 79%, versus September's 74%. For more specific details on April weather, you can visit Hallein weather in April.
When comparing the weather in September and May, several key differences and similarities emerge. September boasts a warmer average temperature of 13°C (56°F) with maximums reaching up to 27°C (81°F), while May's average is slightly cooler at 11°C (53°F) with similar peaks at 28°C (83°F). However, May experiences a lower minimum temperature of -7°C (20°F) compared to September's -2°C (28°F). In terms of precipitation, May is wetter, receiving 216 mm (8.5 in) over 22 days, while September has 156 mm (6.2 in) across 15 days. Notably, humidity levels are consistent in both months at 74%. For more detailed information, you can check Hallein weather in May.
When comparing the weather in September and June, we see notable differences in temperature and precipitation. September experiences a wider temperature range with a minimum of -2°C (28°F) and a maximum of 27°C (81°F), while June maintains milder temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 32°C (90°F). In terms of precipitation, September receives 156 mm (6.2 in) spread over 15 days, slightly less than June’s 186 mm (7.3 in) over 17 days. Humidity levels are quite similar, with September at 74% and June slightly higher at 75%. For further details on June weather, you can visit Hallein weather in June.
When comparing the weather in September and July, September presents a cooler range of temperatures with a minimum of -2°C (28°F) and an average of 13°C (56°F), while July enjoys milder conditions, with a minimum of 7°C (45°F) and an average of 17°C (63°F). July also sees higher maximum temperatures, peaking at 33°C (92°F), compared to September's 27°C (81°F). Furthermore, precipitation is more pronounced in July, accumulating to 230 mm (9.1 in) over 20 days, in contrast to September's 156 mm (6.2 in) over 15 days. Despite the slightly higher humidity of 74% in both months, the overall feel of July is markedly warmer and wetter, making it a more summer-like experience. For more detailed insights, check out Hallein weather in July.
In comparing the weather between August and September, we see a notable drop in temperatures, with September experiencing a minimum of -2°C (28°F) compared to August’s milder 5°C (41°F). The average temperature in September is also lower at 13°C (56°F) versus August's 17°C (64°F), and maximum temperatures peak at 27°C (81°F) in September, significantly less than August's high of 33°C (92°F). Precipitation is higher in September, with 156 mm (6.2 in) over 15 days, although August records even more rain at 208 mm (8.2 in) across 18 days. Humidity remains a bit higher in September at 74% compared to 68% in August. For more detailed information on August weather, visit Hallein weather in August.
In September, temperatures in Hallein range from a chilly -2°C (28°F) to a warm 27°C (81°F), with an average of 13°C (56°F). The month experiences significant rainfall, totaling 156 mm (6.2 inches) over 15 days, and maintains a humidity level of 74%. Conversely, October sees a decrease in average temperature to 9°C (48°F) with maximums reaching 22°C (73°F), while still having a minimum of -2°C (29°F). Precipitation slightly reduces to 140 mm (5.5 inches) over 14 days, and humidity rises to 88%. For a more detailed look at October's weather, you can visit Hallein weather in October.
In September, the weather is generally milder, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 27°C (81°F), averaging around 13°C (56°F). This month experiences significant rainfall, totaling 156 mm (6.2 in) over approximately 15 days, accompanied by a humidity level of 74%. In contrast, November brings colder temperatures, with a minimum of -10°C (14°F) and a maximum of 18°C (65°F), averaging just 3°C (39°F). While November sees less precipitation than September, with 86 mm (3.4 in) over 10 days, the humidity rises to 90%. For a more detailed look at November weather, visit Hallein weather in November.
September and December present quite distinct weather patterns. In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 27°C (81°F), with an average temperature of 13°C (56°F). The month sees some rainfall, totaling 156 mm (6.2 in) over about 15 days, while the humidity averages 74%. In contrast, December is significantly colder, with temperatures varying from a low of -15°C (6°F) to a maximum of 13°C (55°F), and an average temperature of 0°C (31°F). Precipitation slightly increases to 165 mm (6.5 in), occurring over 18 days, and the humidity rises to 89%. For more details about the December weather, visit Hallein weather in December.
As summer transitions into autumn, September in Hallein showcases a significant shift in weather patterns. While daytime temperatures can still reach a comfortable 27°C (81°F), the average dips to a cooler 13°C (56°F), hinting at the approaching chill of fall. Nighttime temperatures can plummet as low as -2°C (28°F), marking a stark contrast to the balmy evenings experienced during the summer months. With an increased precipitation level of 156 mm (6.2 in) over approximately 15 days, the month also brings a notable rise in humidity at 74%, creating a damp atmosphere that can feel quite different from the dry heat of previous months. To learn more about how Hallein's weather evolves throughout the year, visit Hallein Climate.