September Weather in Aschau, Austria

Last updated: February 26, 2025

In September, Aschau, Austria experiences a refreshing transition into autumn, showcasing an average temperature of 9°C (49°F), with highs reaching up to 23°C (73°F) and lows dipping to a brisk -8°C (18°F). This month witnesses significant precipitation, totaling 155 mm (6.1 in) over approximately 16 days, contributing to the lush, vibrant landscapes typical of the region. With a humidity level of 83%, the air feels crisp and invigorating, inviting outdoor enthusiasts to explore the stunning alpine scenery.

September Temperature in Aschau

In Aschau, Austria, September marks a transitional phase as summer gracefully yields to autumn. With temperatures averaging 9°C (49°F), the month offers a refreshing reprieve from the warmth of July and August, where highs danced around 29°C (85°F). The maximum temperature in September can reach a pleasant 23°C (73°F), providing ample opportunity for outdoor activities amidst the breathtaking alpine scenery. However, nights bring a noticeable chill, with minimum temperatures dipping down to -8°C (18°F), hinting at the approaching winter. This unique blend of mild days and crisp evenings creates an ideal setting for enjoying the changing foliage and preparing for the colder months ahead.

September Weather in Aschau: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Aschau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec212630374454555648413224
Data source: Temperature data for Aschau generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Aschau

In September, Aschau, Austria experiences a significant drop in precipitation compared to the summer months, receiving 155 mm (6.1 in) of rainfall over 16 days. This marks a noticeable decrease from August's peak of 225 mm (8.9 in), showcasing a transition towards the drier autumn months. Interestingly, while September still sees a fair amount of rain, it's notably less than the deluge of July and August, which consistently feature higher precipitation levels of around 197 mm and 225 mm respectively. As the region shifts into fall, these trends hint at a stabilizing climate, where rainfall starts to taper off, paving the way for the crisp, clear days of October.

September Precipitation Trends in Aschau

The chart displays monthly precipitation patterns in Aschau, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec998410092193178197225155130105138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aschau

In September in Aschau, Austria, humidity levels start to stabilize as summer transitions into autumn, reaching around 83%. This slight uptick from August's 80% marks a trend where humidity generally begins to rise after the drier months of late spring and early summer. Notably, the year's highest humidity occurs in the colder months, with January and October peaking at an impressive 93% and 90% respectively. Overall, the data illustrates a pattern where humidity tends to be greatest during the winter months, while the summer and early autumn remain relatively more comfortable, offering a gentle reprieve before the chill sets in.

September Average Humidity in Aschau

This chart illustrates the average monthly humidity levels in Aschau, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aschau

As summer fades into autumn, September in Aschau, Austria presents a noticeable shift in UV exposure. With a UV Index of 7, categorized as high, residents and visitors can expect to spend about 25 minutes in direct sunlight before risking a burn. This drop from the peak summer values of 10 in July and June indicates a gradual easing of UV intensity, yet caution remains essential for outdoor activities. As autumn approaches, the changing light conditions will continue to influence sun safety practices. To further explore UV trends throughout the year, check out Aschau UV Index.

Maximum UV Index Levels in Aschau for September

The chart shows the monthly maximum UV Index (UVI) for Aschau in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097532
Data source: Aschau September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Aschau

As September dawns in Aschau, Austria, the lingering echoes of summer are beautifully showcased in the 306 hours of sunshine that grace the month. This marks a gentle decline from the sun-soaked heights of July, which boasts a remarkable 405 hours. As the days shorten, the sunny splendor of September still outshines the earlier months, standing as a vibrant transition towards the cooler autumn days ahead. Notably, this month follows the peak summer, creating a seamless blend of warm weather and golden-hued landscapes, inviting both locals and visitors to revel in the crisp air and stunning scenery. The rhythm of sunlight in Aschau is a captivating reminder that while the warmth may fade, the beauty of the sun's embrace lingers a little longer in early autumn.

Monthly Sunshine Duration in Aschau: September Highlighted

The September sunshine duration represents the total number of hours Aschau experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec189h247h312h346h355h387h405h367h306h287h227h215h
Data source: Aschau September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aschau During September

In September, Aschau, Austria, enjoys a notable 45% chance of sunny weather, a figure that aligns with the sunny peaks seen in February but stands out compared to the summer months. As the region transitions from the warmer days of August, where sunshine dips to 28%, September's average heralds a return to brighter skies reminiscent of spring. This upswing in sunlight not only invites outdoor activities but also showcases the beautiful autumn colors, making it an ideal time for both locals and visitors to experience the stunning landscapes. Overall, the trend suggests that September offers a refreshing balance of pleasant weather, ideal for exploring the picturesque Austrian countryside.

Percentage of Sunny Days in September in Aschau

The chart illustrates the percentage of sunny days in Aschau throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Aschau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%45%40%36%25%37%31%28%45%36%35%31%
Data source: Aschau September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aschau in September

In Aschau, Austria, September marks a noteworthy transition in daylight duration, as it basks in 12 hours of sunlight. This decline follows the summer peak, where June, July, and August each enjoyed a generous 15 hours of bright skies. As the days start to shorten, September's daylight offers a gentle reminder of the impending autumn, contrasting sharply with the brisk 8 hours seen in the depths of winter, such as in January and December. The gradual progression from spring’s 11 hours in March to the lengthier 13 hours in April and 15 hours in May underscores the vibrant shift towards longer days, providing a lush backdrop for outdoor activities. Ultimately, September serves as a bridge—balancing the lingering warmth of summer with the cooling embrace of autumn, inviting residents and visitors alike to savor the fading sunlight before the shorter days set in.

Average Daylight Hours in Aschau for September

The chart illustrates the variation in daylight duration in Aschau throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 16m11h 56m13h 38m15h 5m15h 50m15h 26m14h 8m12h 30m10h 49m9h 19m8h 32m
Data source: Aschau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Aschau

As September graces Aschau, Austria, the winds whisper a gentle 1.3 m/s (3 mph), slightly less than the summer months. This modest breeze reflects a consistent trend, as the wind speeds have hovered around similar low averages throughout the warmer season, peaking only slightly in March and October. With a calmness that can inspire both serenity and reflection, the September winds serve as a gentle reminder of the transitional nature of autumn. As the leaves begin to shift in color and the air turns crisper, this subtle breeze invites residents and visitors alike to embrace the beauty of change within this picturesque alpine village.

Average September Wind Speed in Aschau

The chart displays monthly wind speed patterns in Aschau, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.41.61.51.41.41.21.3 m/s1.61.41.5
Data source: Aschau September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Aschau Compares to Other Months

The weather in Aschau 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 Aschau and find detailed weather information for every month.

The contrast between September and January weather is striking. In September, temperatures can range from a chilly -8°C (18°F) to a pleasant max of 23°C (73°F), with an average of 9°C (49°F). This month sees significant precipitation totaling 155 mm (6.1 in) over 16 days, accompanied by a humidity level of 83%. In stark contrast, January experiences much harsher conditions, with temperatures plunging to a minimum of -32°C (-26°F) and averaging -6°C (21°F), peaking at just 7°C (45°F). Despite less overall precipitation at 99 mm (3.9 in) over 11 days, the humidity is notably higher at 93%. For more detailed insights into January weather, check Aschau weather in January.

In September, the weather is considerably milder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 23°C (73°F), averaging around 9°C (49°F). The month experiences substantial precipitation, with 155 mm (6.1 in) over 16 days, and humidity levels sit at a moderate 83%. In contrast, February is much colder, characterized by temperatures that can drop to -25°C (-13°F) and only reach a maximum of 11°C (53°F), averaging -3°C (26°F). The precipitation is lower at 84 mm (3.3 in) over 13 days, and the humidity is slightly higher at 89%. For more specific details about February weather, you can visit Aschau weather in February.

In comparing the weather of September and March, one can see significant differences in temperatures and overall climate conditions. September boasts a milder temperature range, with a minimum of -8°C (18°F), an average of 9°C (49°F), and a maximum of 23°C (73°F), making it a pleasant month for outdoor activities. In contrast, March experiences much colder temperatures, starting with a minimum of -21°C (-5°F) and an average of -1°C (30°F), peaking at a maximum of 14°C (57°F). Additionally, while September receives more precipitation, totaling 155 mm (6.1 in) over 16 days, March has a lower total of 100 mm (3.9 in) but over the same number of days. Humidity levels are similar, with September at 83% and March slightly higher at 86%. For more detailed insights, you can check out Aschau weather in March.

In comparing the weather of September and April, notable differences emerge in both temperature and precipitation. September experiences milder conditions, with average temperatures ranging from a minimum of -8°C (18°F) to a maximum of 23°C (73°F), while April is generally cooler, seeing temperatures drop as low as -18°C (-1°F) and peaking at 18°C (65°F). Precipitation is more pronounced in September, with a total of 155 mm (6.1 in) falling over 16 days, compared to April's 92 mm (3.6 in) over 14 days. Both months share the same humidity level of 83%, emphasizing a consistent moisture level in the air regardless of the seasonal changes. For a detailed look at April weather specifics, you can refer to Aschau weather in April.

September and May exhibit distinct weather patterns. In September, temperatures range from a chilly minimum of -8°C (18°F) to a comfortable maximum of 23°C (73°F), with an average of 9°C (49°F). The month experiences considerable precipitation, totaling 155 mm (6.1 in) over approximately 16 days, accompanied by high humidity levels at 83%. Conversely, May features slightly cooler temperatures, with a minimum of -11°C (13°F), an average of 7°C (44°F), and a peak of 24°C (75°F). It sees even more rainfall, accumulating 193 mm (7.6 in) across about 23 days, while maintaining lower humidity at 78%. For a deeper understanding of what to expect, you can check Aschau weather in May.

In comparing the weather of September and June, we notice distinct differences in temperature and precipitation. September features a wider temperature range, with minimums dropping to -8°C (18°F) and maximums reaching 23°C (73°F), while June maintains milder temperatures, with minimums around -2°C (28°F) and maximums peaking at 28°C (83°F). Precipitation is also notable in both months: September sees 155 mm (6.1 in) over 16 days, whereas June has slightly higher precipitation at 178 mm (7.0 in) over 20 days. Interestingly, June records a lower humidity level of 79% compared to September’s 83%, contributing to a generally more pleasant feel during the summer month. For more insights into the climate specifics, check out Aschau weather in June.

When comparing the weather in September and July, notable differences emerge. September experiences cooler temperatures, with average highs reaching 23°C (73°F) compared to July's warmer maximum of 29°C (85°F). The minimum temperature in September dips to -8°C (18°F), while in July, it stays a milder 3°C (38°F). Both months see significant precipitation, but July has a slightly higher average at 197 mm (7.7 in) over 22 days, compared to September's 155 mm (6.1 in) over 16 days. Humidity remains relatively high in both months, with September at 83% and July at 82%. For a detailed look at the weather patterns, check out Aschau weather in July.

In comparing the weather conditions of August and September, August tends to offer warmer temperatures with a minimum of -1°C (31°F) and a comfortable average of 13°C (56°F), peaking at a maximum of 27°C (80°F). Conversely, September experiences cooler temperatures, featuring a minimum of -8°C (18°F) and a higher average of 9°C (49°F), with maximums reaching 23°C (73°F). Furthermore, while August sees an increase in precipitation with 225 mm (8.9 in) over 21 days, September has slightly lesser precipitation at 155 mm (6.1 in) across 16 days, though it comes with a marginally higher humidity of 83% compared to August's 80%. For more details, you can check Aschau weather in August.

September and October exhibit notable differences in weather patterns, with September generally being warmer. In September, temperatures range from a minimum of -8°C (18°F) to a maximum of 23°C (73°F), resulting in an average of 9°C (49°F). The month experiences 155 mm (6.1 in) of precipitation over 16 days, coupled with a humidity level of 83%. In contrast, October sees a slight drop in temperatures with a minimum of -7°C (19°F) and a maximum of 18°C (65°F), yielding an average of 5°C (42°F). Precipitation decreases to 130 mm (5.1 in) spread over 12 days, while humidity rises to 90%. For more detailed insights into October weather, check out Aschau weather in October.

September and November present distinct contrasts in weather. In September, temperatures range from a minimum of -8°C (18°F) to a pleasant maximum of 23°C (73°F), with an average of 9°C (49°F). This month sees significant precipitation (155 mm or 6.1 in) spread over 16 days, and humidity remains relatively high at 83%. In contrast, November experiences much colder temperatures, with a minimum of -14°C (8°F) and a maximum of 14°C (57°F), resulting in an average temperature of 0°C (32°F). While precipitation is lower at 105 mm (4.2 in) over 10 days, humidity increases slightly to 89%. For more details, you can check out Aschau weather in November.

In September, temperatures range from a mild minimum of -8°C (18°F) to a pleasant maximum of 23°C (73°F), with an average of 9°C (49°F). The month sees significant precipitation, accumulating 155 mm (6.1 in) over 16 days, and the humidity hovers around 83%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -23°C (-9°F) and averaging -5°C (24°F), while the maximum reaches only 7°C (44°F). Despite slightly lower precipitation at 138 mm (5.4 in) over 18 days, the humidity is higher at 90%. For more details about December weather, check out the link: Aschau weather in December.

Compare Aschau's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Aschau

As September unfolds in Aschau, it brings a refreshing transition from the warm summer months to the crispness of autumn. With an average temperature of 9°C, the days can still be pleasantly warm, peaking at 23°C, but nights are marked by a chill that sometimes dips below freezing. This month is also characterized by significant precipitation, with around 16 rainy days, contributing to a notable increase in humidity at 83%. The blend of warm days and cool nights, coupled with the vibrant hues of fall, makes September a unique and captivating time to experience Aschau. For a deeper understanding of the local weather patterns, explore Aschau Climate.