September Weather in Alpbach, Austria

Last updated: February 26, 2025

Alpbach, Austria in September showcases a vibrant transition into autumn with temperatures ranging from a pleasant maximum of 25°C (77°F) to a crisp minimum of -4°C (26°F). The average temperature hovers around a refreshing 11°C (53°F), making it an ideal time for outdoor exploration. Despite the mild climate, visitors should be prepared for 17 days of precipitation, totaling 166 mm (6.5 in), and an elevated humidity level of 83%. This blend of weather elements creates a rich, atmospheric backdrop, perfect for experiencing the stunning alpine landscapes and the charm of this picturesque village.

September Temperature in Alpbach

In September, Alpbach, Austria, ushers in the early whispers of autumn, with temperatures reflecting a gradual shift from the summer warmth. The average temperature settles at a cool 11°C (53°F), while daytime highs can reach a delightful 25°C (77°F), offering plenty of opportunities to enjoy the stunning alpine scenery. As nighttime approaches, the mercury dips to around -4°C (26°F), marking a notable drop from the preceding summer months. This transitional period is characterized by crisp, invigorating air and vibrant foliage, creating an enchanting atmosphere that beautifully balances the warmth of late summer with the onset of fall.

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

The chart illustrates September temperature patterns in Alpbach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec252934434959596052463628
Data source: Temperature data for Alpbach generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Alpbach

September in Alpbach, Austria, sees a significant dip in precipitation compared to the summer months, with a total of 166 mm (6.5 in) over 17 days of rain. This marks a decrease from the record-setting rains of August, where residents experienced 232 mm (9.1 in). The autumn transition begins, as September's rainfall, while substantial, is lighter than the deluges of July and August, which collectively exceeded 230 mm. This shift indicates the onset of drier weather patterns ahead, yet still maintains a respectable level of precipitation, ensuring the lush alpine landscape remains vibrant as the leaves start to change.

September Precipitation Trends in Alpbach

The chart displays monthly precipitation patterns in Alpbach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1159911110622820323023216613692145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alpbach

In September, Alpbach, Austria, experiences a noticeable transition in humidity levels, with the average recorded at 83%. This marks a slight uptick from the summer months, where humidity lingered around 80% in August. Throughout the year, a clear trend emerges: the humidity generally peaks during the colder months of January and December, hovering around 93% to 90%, while the transitional months of spring and early fall show a gradual decline before rising again. As autumn approaches, residents and visitors can expect the air to feel a bit more saturated compared to the warmer summer, setting the stage for the crisp, cooler days that lie ahead.

September Average Humidity in Alpbach

This chart illustrates the average monthly humidity levels in Alpbach, 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 Alpbach

As summer gradually winds down in Alpbach, Austria, September's UV Index reflects a significant shift, showing a value of 6—indicating a high exposure category. This month's burn time of 25 minutes marks a transition from the very high levels seen in the peak summer months of June and July, where outdoor enthusiasts enjoyed a mere 15 minutes before needing protection. With the temperature cooling slightly, it's a perfect time to enjoy the stunning alpine landscapes while still being mindful of UV radiation. As we look ahead, both October and November will bring a decrease to moderate UV levels, making fall an ideal season for outdoor activities. For current UV conditions and tips on sun safety, check out Alpbach UV Index.

Maximum UV Index Levels in Alpbach for September

The chart shows the monthly maximum UV Index (UVI) for Alpbach 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Alpbach 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 Alpbach

In the picturesque village of Alpbach, Austria, September sees a brilliant transition from the summer's peak sunshine to the gentle embrace of autumn. With 298 hours of sunshine, this month captures the tail end of the vibrant summer days, offering a lovely mix of warmth and crisp air. The sunshine hours begin to taper off from the highs of July's 396 hours, yet still shine brighter than the subsequent months, reflecting a steady decline as autumn settles in. As the leaves change and the alpine landscapes transform, September provides a delightful backdrop for outdoor adventures, making it an idyllic time to soak up the last rays of summer before the cooler months set in.

Monthly Sunshine Duration in Alpbach: September Highlighted

The September sunshine duration represents the total number of hours Alpbach 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h230h290h336h340h373h396h352h298h270h215h181h
Data source: Alpbach September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alpbach During September

As September rolls into Alpbach, Austria, the likelihood of sunny weather begins to shine brightly, with a *notable *46% chance of sunshine. This marks an increase from the summer months, where the chances hovered between 29% and 37%. Following a dip in May, the trend picks up again as summer fades, indicating that September offers a promising close to the warm season. Coupled with milder temperatures, this makes early autumn an ideal time for visitors to enjoy the stunning alpine scenery under predominantly clear skies.

Percentage of Sunny Days in September in Alpbach

The chart illustrates the percentage of sunny days in Alpbach 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 Alpbach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%45%39%39%27%37%33%29%46%37%34%29%
Data source: Alpbach September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alpbach in September

As summer fades into autumn, September in Alpbach, Austria offers a gentle transition in daylight hours. With about 12 hours of sunlight, the month retains more daylight than the onset of fall, yet reflects a noticeable decrease from the sun-drenched days of July and August, each boasting a full 15 hours. This gradual shift underscores the natural rhythm of the seasons, as daylight slowly wanes, paving the way for the shorter days of October and November ahead. Nature's palette begins to change, echoing the ebb and flow of light, inviting residents and visitors to savor the crisp air and vibrant fall colors while they still can.

Average Daylight Hours in Alpbach for September

The chart illustrates the variation in daylight duration in Alpbach throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 55m10h 15m11h 56m13h 39m15h 7m15h 53m15h 29m14h 10m12h 30m10h 48m9h 17m8h 29m
Data source: Alpbach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Alpbach

As September rolls in, Alpbach, Austria experiences a gentle drop in wind speed, settling at an average of 1.3 m/s (3 mph), consistent with the calm of late summer. This trend of lower winds builds on the quieter conditions seen in July and August, suggesting a serene transition into autumn. With only slightly higher gusts recorded in previous months, September's breezes contribute to a peaceful ambiance ideal for leisurely strolls through the picturesque alpine landscape. The steady winds that characterize the earlier months gradually give way to the tranquility of fall, inviting visitors to embrace the cozy charm of this quaint mountain village.

Average September Wind Speed in Alpbach

The chart displays monthly wind speed patterns in Alpbach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.71.51.71.61.41.31.31.3 m/s1.51.41.6
Data source: Alpbach September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Alpbach Compares to Other Months

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

September weather is characterized by a mild average temperature of 11°C (53°F), with highs reaching up to 25°C (77°F) and lows dipping to -4°C (26°F). The month experiences significant rainfall, totaling 166 mm (6.5 in) over approximately 17 days, along with a humidity level of 83%. In contrast, January brings much colder conditions, with an average temperature of -4°C (25°F) and maximums peaking at only 9°C (49°F). The minimum temperature can plunge to a frigid -31°C (-24°F). Although January sees less precipitation at 115 mm (4.5 in) over about 12 days, the humidity is higher at 93%, contributing to the biting cold. For more insights on January weather, check out Alpbach weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly -4°C (26°F) at night to a pleasant max of 25°C (77°F) during the day, with an average of 11°C (53°F). The month sees considerable rainfall, with precipitation totaling 166 mm (6.5 in) over 17 days and humidity levels at 83%. In contrast, February brings much colder temperatures, with a minimum of -26°C (-14°F) and a daytime high of 16°C (61°F), averaging around -1°C (30°F). Rainfall decreases significantly to 99 mm (3.9 in) across 13 days, while humidity rises slightly to 89%. For a more detailed overview, check out Alpbach weather in February.

September and March present distinctly different weather patterns. In September, the temperatures range from a chilly minimum of -4°C (26°F) to a comfortable maximum of 25°C (77°F), with an average of 11°C (53°F). The month experiences significant precipitation, totaling 166 mm (6.5 in) over about 17 days, with humidity levels around 83%. In contrast, March is colder, with temperatures dipping as low as -20°C (-4°F) and only reaching a maximum of 17°C (63°F), averaging just 1°C (35°F). March also sees less precipitation at 111 mm (4.4 in) spread over 15 days, and humidity slightly higher at 86%. For a more detailed look at March weather, you can check Alpbach weather in March.

When comparing the weather in September and April, notable differences can be observed. September generally enjoys milder temperatures, with an average of 11°C (53°F), while April has a cooler average of 6°C (43°F). Minimum temperatures in April dip significantly lower, reaching -14°C (7°F), compared to September's minimum of -4°C (26°F). Precipitation levels are also different: September experiences more rain, totaling 166 mm (6.5 in) over 17 days, whereas April has 106 mm (4.2 in) spread over 13 days. Both months share the same humidity level of 83%, creating a damp atmosphere. For a more detailed look at the conditions, check out Alpbach weather in April.

When comparing the weather in September and May, we see some notable differences. September typically enjoys a milder average temperature of 11°C (53°F), with highs reaching up to 25°C (77°F). In contrast, May has a slightly lower average temperature of 9°C (49°F), but can warm up to a maximum of 28°C (82°F). Precipitation is more frequent in May, with 228 mm (9.0 in) falling over 24 days compared to September's 166 mm (6.5 in) over 17 days. Additionally, September boasts higher humidity levels at 83% compared to May's 78%. For more details on the conditions you can expect, check out Alpbach weather in May.

September and June present distinct weather patterns, with September experiencing a wider temperature range between -4°C (26°F) and 25°C (77°F) compared to June's milder range of 0°C (32°F) to 31°C (89°F). While September averages around 11°C (53°F) and sees higher humidity levels at 83%, June's average temperature is warmer at 15°C (59°F) with slightly lower humidity at 79%. Moreover, both months are relatively wet; September receives 166 mm (6.5 in) of precipitation over 17 days, while June has a higher total of 203 mm (8.0 in) over 19 days. For more detailed information on June weather, check Alpbach weather in June.

In comparing the weather between July and September, notable differences arise. July experiences warmer temperatures, with minimums around 5°C (41°F) and maximums reaching up to 32°C (90°F), while September sees cooler conditions, ranging from a chilly minimum of -4°C (26°F) to a pleasant maximum of 25°C (77°F). Precipitation is more pronounced in July, totaling 230 mm (9.1 in) over 20 days, compared to September's 166 mm (6.5 in) over 17 days. Humidity levels remain fairly consistent, with July at 82% and September slightly higher at 83%. For more detailed information, you can check Alpbach weather in July.

September weather in Alpbach shows a notable drop in temperatures compared to August, with minimums reaching -4°C (26°F) and average temperatures of 11°C (53°F), while August boasts warmer min temperatures of 4°C (40°F) and an average of 15°C (60°F). Additionally, September experiences a maximum temperature of 25°C (77°F), considerably lower than August's peak of 31°C (88°F). Precipitation also decreases slightly in September to 166 mm (6.5 in) over 17 days, compared to August's 232 mm (9.1 in) over 19 days. Humidity remains relatively similar, with September at 83% and August at 80%. For more detailed information about the weather in August, visit Alpbach weather in August.

September and October present notable differences in weather patterns. September features a wider temperature range, with minimums dropping to -4°C (26°F) and maximums reaching up to 25°C (77°F), resulting in an average temperature of 11°C (53°F). In contrast, October sees milder temperatures, with a minimum of -2°C (28°F) and a maximum of 21°C (70°F), averaging 8°C (46°F). Precipitation decreases slightly in October to 136 mm (5.3 in) over 13 days, compared to September's 166 mm (6.5 in) over 17 days. Additionally, October's humidity rises to 90%, making the air feel more damp than in September, where humidity sits at 83%. For more detailed information, you can check Alpbach weather in October.

In September, temperatures range from a chilly minimum of -4°C (26°F) to a comfortable maximum of 25°C (77°F), with an average of 11°C (53°F). This month experiences significant rainfall, totaling 166 mm (6.5 in) over 17 days, while humidity levels sit at 83%. In contrast, November sees a drop in temperatures, with minimums plummeting to -15°C (4°F) and an average of just 2°C (36°F); maximums reach only 16°C (62°F). The precipitation in November is reduced to 92 mm (3.6 in) over 10 days, but humidity rises slightly to 89%. For those interested in more details, you can check out Alpbach weather in November.

September and December present stark contrasts in weather. In September, temperatures range from a minimum of -4°C (26°F) to a maximum of 25°C (77°F), with an average of 11°C (53°F) and relatively lower humidity at 83%. The month sees significant precipitation, totaling 166 mm (6.5 in) over 17 days. In contrast, December experiences much colder temperatures, with a minimum of -21°C (-6°F) and a maximum of 11°C (52°F), averaging -2°C (28°F). Precipitation is slightly lower at 145 mm (5.7 in) over 18 days, but humidity rises to a notable 90%. For a detailed overview of the December climate, check out Alpbach weather in December.

Compare Alpbach's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Alpbach

As summer bids farewell, September in Alpbach ushers in a distinct shift in weather, offering a delightful blend of warmth and coolness. While daytime temperatures can still flirt with 25°C, the average cools significantly to around 11°C, with brisk evenings that may even dip to a crisp -4°C. This month also sees increased precipitation, with rain gracing about half the days, contributing to a lush, vibrant landscape enveloped in high humidity. The fusion of mild days and chilly nights creates a unique atmosphere that stands in contrast to the more stable conditions of summer and the impending chill of autumn. For a deeper insight into the seasonal patterns, check out Alpbach Climate.