September Weather in Rattenberg, Austria

Last updated: February 26, 2025

In September, Rattenberg, Austria, experiences a delightful blend of seasonal shifts, with temperatures peaking at a comfortable 25°C (77°F) and dropping to a chilly -4°C (26°F), averaging around 11°C (53°F). The month is characterized by a significant humidity level of 83%, contributing to the lush beauty of the surrounding landscapes. Visitors can expect a fair amount of rainfall, totaling 166 mm (6.5 in), spread over approximately 17 days, making it a month where cozy indoor activities and vibrant autumnal walks coexist harmoniously.

September Temperature in Rattenberg

In September, Rattenberg, Austria, begins to feel the subtle shift of autumn as temperatures cool down from the warm summer months. With minimums dropping to -4°C (26°F) and a refreshing average of 11°C (53°F), the crispness of early fall becomes evident. Daytime highs can still reach a pleasant 25°C (77°F), allowing for enjoyable outings in the picturesque surroundings. This transitional month marks a departure from the summer heat, yet it also offers a beautiful balance of comfortable daytime warmth and cooler evenings. As nature prepares for the winter ahead, September in Rattenberg is a delightful time to experience the changing seasons.

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

The chart illustrates September temperature patterns in Rattenberg, 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 Rattenberg 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 Rattenberg

In September, Rattenberg experiences a notable shift in its precipitation patterns, accumulating 166 mm (6.5 in) of rain over 17 days. This marks a decrease compared to the preceding months of July and August, which saw higher totals of 230 mm and 232 mm respectively. The transition from summer to fall is evident, as September often presents a blend of lingering warmth and the onset of autumnal weather. Despite the reduction in overall rainfall, the month remains significantly wetter than earlier months, such as February and November, showcasing the region's characteristic seasonal variability. As the days shorten and temperatures cool, Rattenberg prepares for the upcoming changes in climate that October will bring.

September Precipitation Trends in Rattenberg

The chart displays monthly precipitation patterns in Rattenberg, 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 Rattenberg

In Rattenberg, Austria, September brings a moderate humidity level of 83%, continuing a trend of gradual decrease from the peak levels observed during the winter months. Following the consistently high humidity in January (93%) and February (89%), there’s a noticeable drop that stabilizes around the mid-summer months before slightly rising again in October to 90%. Comparatively, September's humidity suggests a transition as the region gears up for autumn, striking a balance between the warmth of summer and the impending coolness of fall. This rhythm of humidity reflects Rattenberg's distinct seasonal shifts, highlighting its vibrant and changing climate.

September Average Humidity in Rattenberg

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

As September rolls into Rattenberg, Austria, the UV Index begins to shift, reflecting the changing seasons. With a UV Index of 6, categorized as high, this month marks a notable decrease from the peak summer months, yet it still warrants caution. Sun exposure can lead to skin damage in approximately 25 minutes, urging residents and visitors alike to be mindful of sun safety as they enjoy the crisp fall days. This trend of decreasing UV levels continues into October, creating a stark contrast from the very high indices of earlier summer months, like June and July. For more detailed information on UV exposure year-round in this charming alpine town, check out Rattenberg UV Index.

Maximum UV Index Levels in Rattenberg for September

The chart shows the monthly maximum UV Index (UVI) for Rattenberg 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: Rattenberg 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 Rattenberg

As summer gracefully transitions into autumn, September in Rattenberg, Austria, continues to bask in abundant sunshine, with an impressive 298 hours of glorious light. This month serves as a gentle tapering from the peak of July, which boasts 396 sunshine hours, and it marks a subtle decline as daylight begins to recede into the winter months. Through the year, a noticeable upward trend prevails—from a mere 163 hours in January to a maximum during the vibrant summer. September stands as a bridge, offering a delightful balance of sunny days while hinting at the cozy embrace of fall, making it a captivating time for visitors to witness the transforming landscapes.

Monthly Sunshine Duration in Rattenberg: September Highlighted

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

Chance of Sun in Rattenberg During September

In Rattenberg, Austria, September marks a delightful transition into autumn, characterized by a notable increase in sunny weather, with a 46% chance of sunshine. This is a significant rise compared to the preceding months, especially from the cooler summer months of July and August, where the chances hovered around 33% and 29% respectively. Building on trends from earlier in the year, the sunny disposition of September offers a refreshing change, as it surpasses the sunniest months such as May and June. As the rich colors of fall begin to set in, residents and visitors alike can look forward to more brilliantly bright days, making it an ideal time for outdoor activities and enjoying the picturesque scenery that defines this charming region.

Percentage of Sunny Days in September in Rattenberg

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

Daylight Hours in Rattenberg in September

As autumn approaches in Rattenberg, Austria, September sees a noticeable transition in daylight duration, offering around 12 hours of light, a subtle decrease from the 14 hours experienced in August. This month marks the beginning of the gradual fade into shorter days, following the peak summer light. The trend showcases a comforting rhythm of nature, where the vibrant summer days give way to the cozy embrace of autumn, leading into October's 10 hours of daylight. This shift reflects a broader pattern throughout the year, with daylight lengthening in spring and summer, then gently tapering off as the colder months approach. Observing these changes invites a deeper appreciation for the seasonal cycles that define life in Rattenberg.

Average Daylight Hours in Rattenberg for September

The chart illustrates the variation in daylight duration in Rattenberg 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: Rattenberg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rattenberg

As September rolls into Rattenberg, Austria, the gentle embrace of the wind continues a noticeable trend that has taken shape over the warmer months. With an average wind speed of 1.3 m/s (3 mph), September mirrors the calmness of August and July, marking a gradual decline from the slightly brisker spring months. This serene breeziness envelops the old town, enhancing the picturesque charm of its medieval architecture while inviting residents and visitors alike to enjoy tranquil strolls along the cobblestone streets. As autumn approaches, the predictable stillness of summer winds gives way to the anticipation of a new season, offering a perfect backdrop for the colorful foliage that will soon adorn the landscape.

Average September Wind Speed in Rattenberg

The chart displays monthly wind speed patterns in Rattenberg, 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: Rattenberg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rattenberg Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a chilly -4°C (26°F) at their lowest to a pleasant 25°C (77°F) at their highest, with an average of around 11°C (53°F). The month sees significant rainfall, totaling 166 mm (6.5 in) over 17 days, while humidity levels are relatively high at 83%.

In comparison, January experiences much harsher conditions, with minimum temperatures plunging to -31°C (-24°F) and a much cooler average of -4°C (25°F). Here, the maximum temperature only reaches up to 9°C (49°F). Precipitation is less frequent, totaling 115 mm (4.5 in) across just 12 days, though humidity slightly increases to 93%. For further specifics on January weather, you can visit Rattenberg weather in January.

In September, the weather in Rattenberg is generally milder, with average temperatures ranging from a chilly 4°C (26°F) at night to a pleasant 25°C (77°F) during the day. This month also experiences a significant amount of precipitation, totaling 166 mm (6.5 in) over about 17 days, and has a humidity level of 83%. In contrast, February is much colder, with average temperatures hovering around -1°C (30°F), reaching a minimum of -26°C (-14°F) at night and peaking at 16°C (61°F) during the day. February sees less precipitation overall, with 99 mm (3.9 in) falling over 13 days, and a slightly higher humidity of 89%. For a closer look at February's weather specifics, you can visit Rattenberg weather in February.

September and March showcase distinct contrasts in weather. September typically has a milder climate with an average temperature of 11°C (53°F) and a maximum of 25°C (77°F), while March experiences chillier conditions, with an average temperature of just 1°C (35°F) and a maximum of 17°C (63°F). Precipitation levels are relatively high in both months, but September receives more rain, with 166 mm (6.5 in) over 17 days compared to March's 111 mm (4.4 in) over 15 days. Additionally, humidity is slightly higher in March at 86%, compared to September's 83%. For more details, you can check out Rattenberg weather in March.

September and April exhibit notable differences in weather patterns. While September boasts a more moderate temperature range with an average of 11°C (53°F) and highs reaching 25°C (77°F), April experiences cooler conditions, with minimum temperatures dipping to -14°C (7°F) and an average of only 6°C (43°F). Precipitation is more frequent in September, totaling 166 mm (6.5 in) over 17 days, compared to April's 106 mm (4.2 in) across 13 days. Despite these differences, both months share a relative humidity of 83%, contributing to a crisp atmosphere. For those interested in specifics about April weather, more details can be found in the link: Rattenberg weather in April.

September and May exhibit notable differences in weather patterns despite both being transitional months. In September, the temperatures range from a chilly minimum of -4°C (26°F) to a pleasant maximum of 25°C (77°F), with an average of 11°C (53°F). The month experiences significant rainfall, with 166 mm (6.5 in) of precipitation over 17 days, and humidity levels are relatively high at 83%. In contrast, May sees somewhat colder temperatures, with a minimum of -11°C (13°F) and a maximum of 28°C (82°F), averaging at 9°C (49°F). It also witnesses heavier rainfall, accumulating 228 mm (9.0 in) over 24 days, albeit with slightly lower humidity at 78%. For a more detailed look at Rattenberg’s weather in May, you can check Rattenberg weather in May.

September and June present contrasting weather patterns. 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 sees significant rainfall, totaling 166 mm (6.5 in) across 17 rainy days, while humidity remains high at 83%. In contrast, June offers milder conditions with temperatures starting at 0°C (32°F) and reaching up to 31°C (89°F), averaging around 15°C (59°F). However, it has greater precipitation, totaling 203 mm (8.0 in) over 19 days, with slightly lower humidity at 79%. For more detailed insights on June weather, check Rattenberg weather in June.

When comparing the weather in September and July, several distinct differences emerge. September typically sees cooler temperatures, with minimums around -4°C (26°F) and a maximum of 25°C (77°F), while July is warmer, with minimums of 5°C (41°F) and highs reaching 32°C (90°F). Precipitation is more prevalent in July, with about 230 mm (9.1 in) falling over 20 days compared to September's 166 mm (6.5 in) spread across 17 days. Humidity levels are quite similar, with September at 83% and July slightly lower at 82%. For a more in-depth look at July weather specifics, you can visit Rattenberg weather in July.

In comparing the weather of September and August, September presents a notable drop in temperature, with a minimum of -4°C (26°F) compared to August’s 4°C (40°F). The average temperature in September is 11°C (53°F), significantly cooler than August's 15°C (60°F), and the maximum in September reaches only 25°C (77°F), while August peaks at a warmer 31°C (88°F). Precipitation in September totals 166 mm (6.5 in) over 17 days, which, while less than August's 232 mm (9.1 in) across 19 days, still indicates a fairly rainy month. Humidity remains relatively high in both months, with September at 83% and August slightly lower at 80%. For more details on August weather, you can check Rattenberg weather in August.

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). The month experiences significant precipitation, totaling 166 mm (6.5 in) over 17 days, and maintains a humidity level of 83%. In contrast, October sees a slight decrease in temperatures, with a minimum of -2°C (28°F) and a maximum of 21°C (70°F), leading to an average of 8°C (46°F). Precipitation is also lower in October, totaling 136 mm (5.3 in) over 13 days, but the humidity increases to 90%. For more detailed information about weather conditions in October, you can check Rattenberg weather in October.

In September, temperatures can range from a chilly -4°C (26°F) at night to a warm 25°C (77°F) during the day, with an average of 11°C (53°F). The month sees significant rain, with about 166 mm (6.5 in) of precipitation spread across 17 days, and humidity levels hover around 83%. In contrast, November experiences colder weather, with minimum temperatures dropping to -15°C (4°F) and an average of just 2°C (36°F), while maximum temperatures reach up to 16°C (62°F). The total precipitation decreases to 92 mm (3.6 in), occurring over 10 days, and humidity rises slightly to 89%. For more specifics on the weather during this month, you can check Rattenberg weather in November.

In September, the weather is considerably milder, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 25°C (77°F) and an average of 11°C (53°F). The month experiences significant rainfall, totaling 166 mm (6.5 in) over 17 days, accompanied by a humidity level of 83%. In contrast, December ushers in colder temperatures, with a stark minimum of -21°C (-6°F) and a maximum of 11°C (52°F), yielding an average temperature of -2°C (28°F). Precipitation remains relatively high at 145 mm (5.7 in), spread over 18 days, and humidity rises slightly to 90%. For more details on how the weather shapes December in this region, check out Rattenberg weather in December.

Compare Rattenberg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rattenberg

As September unfolds in Rattenberg, the weather presents a distinctive transition from the warmth of summer to the crispness of autumn. With daytime temperatures reaching a pleasant maximum of 25°C, the month invites outdoor exploration, yet the nights can dip significantly, reminding us that winter is on the horizon. Notably challenged by its high humidity and occasional rainfall, September sees average precipitation on 17 days, creating an atmospheric setting perfect for cozy retreats and breathtaking landscapes. Overall, this month contrasts sharply with the drier, hotter summer months and sets the stage for the stunning fall foliage that follows. For a deeper understanding of the climate in this picturesque region, visit Rattenberg Climate.