September Weather in Attersee, Austria

Last updated: February 26, 2025

September in Attersee, Austria, showcases a captivating blend of mild to warm temperatures and lush landscapes. With a maximum temperature reaching 30°C (86°F) and an average of 15°C (58°F), visitors can enjoy pleasant outdoor activities amid the stunning scenery. However, the month is not without its quirks, as the minimum temperature dips to a cool 2°C (36°F), reminding us that autumn is on the horizon. Rainfall totals 113 mm (4.4 in) across approximately 12 days, contributing to the region's vibrant greenery, while a humidity level of 74% fosters a cozy, refreshing atmosphere. Embrace the enchanting blend of warmth and moisture that September brings to this picturesque Austrian locale!

September Temperature in Attersee

In September, Attersee, Austria, experiences a delightful transition into autumn, showcasing milder temperatures that invite outdoor exploration. The month starts with crisp mornings, reaching a minimum of 2°C (36°F), while afternoons warm up nicely to an average of 15°C (58°F). With a maximum temperature peaking at a comfortable 30°C (86°F), September offers a balance between summer's warmth and the approaching chill of fall. This pleasant climate encourages visitors to enjoy the stunning lakeside views and scenic hikes, making it an ideal time to savor the beauty of Attersee before the cooler months set in. Overall, the gradual decline in temperatures signals the changing season, inviting both locals and travelers to appreciate the serene beauty that this region has to offer.

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

The chart illustrates September temperature patterns in Attersee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec323640485565666658504035
Data source: Temperature data for Attersee 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 Attersee

In September, Attersee, Austria experiences a moderate precipitation total of 113 mm (4.4 inches) over approximately 12 days, marking a slight decline compared to the wetter months of summer. This month bridges the transition from the lush, rain-soaked green of summer to the crisper autumn days. Notably, while rainfall decreases, it remains consistent within the broader trend of the year, following the heavy downpours of May (150 mm) and August (142 mm). As summer wanes, September's precipitation sets the stage for the impending chill of October, which averages close behind at 108 mm (4.3 inches). This gradual shift invites a seasonal transformation, with shorter days and a vibrant tapestry of autumn leaves emerging in the tranquil landscape surrounding the lake.

September Precipitation Trends in Attersee

The chart displays monthly precipitation patterns in Attersee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10789936115013013814211310870131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Attersee

As the summer heat gives way to autumn in Attersee, Austria, September exhibits a notable shift in humidity levels, averaging 74%. This slight increase from the drier months of July and August, which hovered around 68% and 74% respectively, suggests a gradual return to the more humid conditions typical of earlier months. While September's humidity remains lower than the winter peaks, the transition hints at the approaching seasonal changes, preparing the landscape for the moist conditions of October and November, where figures soar back to the higher 88% and 90% marks. Overall, September strikes a balance between the fading warmth of summer and the impending chill of winter, providing a unique atmospheric blend.

September Average Humidity in Attersee

This chart illustrates the average monthly humidity levels in Attersee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%82%79%74%75%74%69%74%88%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Attersee

As summer fades into autumn, September in Attersee, Austria brings a notable dip in sun intensity, with the UV Index at 6, categorized as high. This signifies that while the risk of harm from unprotected sun exposure is still present, it is less severe than the peak months of June and July, which both registered at 9. With a burn time of 25 minutes, sun seekers can still enjoy the beautiful lakeside scenery but should take precautionary measures. The gradual decrease in UV Index from the heights of summer highlights a seasonal trend towards safer sun exposure as the year progresses. To stay informed about UV levels year-round, check out the full details at Attersee UV Index.

Maximum UV Index Levels in Attersee for September

The chart shows the monthly maximum UV Index (UVI) for Attersee 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Attersee 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 Attersee

As summer gracefully transitions into autumn, September in Attersee, Austria, still radiates warmth with its 294 hours of sunshine. While the month marks a notable decline from the sun-soaked 411 hours of July—its sunniest month—September remains considerably brighter than the winter months ahead. The gradual decrease in daylight highlights the rhythmic ebb and flow of the seasons, with sunshine still prevalent compared to the gray days of November and December. With September basking in a lively blend of lingering summer vibes and the crisp hints of fall, it's an ideal time to embrace the picturesque landscapes of this charming region before the colder months settle in.

Monthly Sunshine Duration in Attersee: September Highlighted

The September sunshine duration represents the total number of hours Attersee 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.
JanFebMarAprMayJunJulAugSepOctNovDec146h228h281h339h349h386h411h366h294h268h221h168h
Data source: Attersee September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Attersee During September

In September, Attersee, Austria, basks in a notable increase in sunshine opportunities, boasting a 52% chance of clear skies. This marked improvement in sunny weather follows a somewhat inconsistent summer, where percentages hover in the low to mid-30s from June through August. Compared to earlier months like May and June, where sun exposure dips to the mid-20s and low-40s, September stands out as the peak of pleasant weather before autumn settles in. This trend not only highlights the transition to fall but also invites locals and visitors alike to soak up the last rays of summer, making it an ideal time for enjoying outdoor activities and the breathtaking scenery Attersee has to offer.

Percentage of Sunny Days in September in Attersee

The chart illustrates the percentage of sunny days in Attersee 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 Attersee experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%42%43%41%28%42%38%33%52%38%27%20%
Data source: Attersee September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Attersee in September

As summer gives way to autumn, September in Attersee, Austria, experiences a gentle decline in daylight duration, offering approximately 12 hours of sunlight. This month marks a transition from the sun-drenched days of July and August, where daylight peaks at a vibrant 15 hours. The gradual reduction highlights the shift towards shorter daylight as the year progresses. Following September, October brings another drop, with just 10 hours of light. This trend not only signals the changing seasons but also invites residents and visitors to embrace the beauty of early autumn, where the warm hues of twilight extend the magic of daylight just a little longer.

Average Daylight Hours in Attersee for September

The chart illustrates the variation in daylight duration in Attersee throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 51m10h 13m11h 55m13h 40m15h 10m15h 57m15h 32m14h 12m12h 31m10h 47m9h 14m8h 26m
Data source: Attersee daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Attersee

As summer gives way to autumn in Attersee, Austria, September greets us with its gentle breezes, averaging a modest 1.9 m/s (4 mph). This slight dip in wind speed marks a continuation of the trend observed since July, suggesting the region is settling into a quieter phase before winter approaches. The transition from the lively winds of earlier months, notably May's 2.6 m/s (6 mph), highlights a gradual shift in the environment. While the winds whisper softly in September, this calm doesn't overshadow the scenic beauty of Attersee, inviting both locals and visitors to enjoy the serene landscapes, reflected in the tranquil waters of the lake. With October and November maintaining similar gentle winds, the area embraces a peaceful, picturesque atmosphere perfect for slowing down and savoring the changing seasons.

Average September Wind Speed in Attersee

The chart displays monthly wind speed patterns in Attersee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.12.32.32.62.01.92.11.9 m/s2.02.02.3
Data source: Attersee September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Attersee Compares to Other Months

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

September and January present stark contrasts in weather. In September, temperatures range from a mild 2°C (36°F) at night to a warm 30°C (86°F) during the day, making it a period of fluctuating warmth with an average of 15°C (58°F). The month experiences 113 mm (4.4 in) of precipitation over about 12 days, with humidity levels around 74%.

In contrast, January is marked by much colder temperatures, with minimums plunging to -15°C (6°F) and an average of 0°C (32°F), peaking at only 13°C (56°F). Although precipitation is slightly lower at 106 mm (4.2 in) over 13 days, the humidity rises to 91%, creating a notably damp and chilly atmosphere. For more detailed insights into January weather, explore Attersee weather in January.

In comparing September and February weather, September typically offers a wider temperature range with minimums of 2°C and maximums reaching up to 30°C, resulting in an average of 15°C. The month experiences notable precipitation, totaling 113 mm over 12 days, with humidity around 74%. In contrast, February presents a much colder climate, where temperatures can drop to a minimum of -12°C and average only 2°C, while the highest temperatures reach 19°C. Although February sees less precipitation at 89 mm over 14 days, the humidity is slightly higher at 87%. For more detailed weather insights specific to February, you can check Attersee weather in February.

September and March present contrasting weather patterns that reflect the transition between seasons. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 15°C (58°F), while March experiences cooler temperatures that range from -12°C (10°F) to 20°C (68°F), averaging only 5°C (41°F). Additionally, September is characterized by significant warmth and relatively high precipitation, receiving 113 mm (4.4 in) over 12 rainy days, whereas March has a slightly lower total precipitation of 93 mm (3.7 in) spread across 16 days, highlighting its dampness. The humidity is also higher in March at 82%, compared to 74% in September. For more details, you can visit Attersee weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. September typically experiences a wider range of temperatures, with minimums around 2°C (36°F) and maximums reaching up to 30°C (86°F), resulting in an average temperature of 15°C (58°F). In contrast, April tends to be cooler, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 26°C (80°F), averaging just 9°C (49°F). Additionally, September is wetter, with about 113 mm (4.4 in) of precipitation over 12 days, compared to April's 61 mm (2.4 in) over 11 days. Humidity levels are also slightly higher in April at 79%, compared to September's 74%. For more detailed information on temperatures and conditions, you can refer to Attersee weather in April.

In comparing the weather of September and May, we see notable differences despite both months experiencing similar maximum temperatures of up to 30°C (86°F). September boasts a slightly higher average temperature of 15°C (58°F), whereas May averages at 13°C (56°F). However, May is characterized by more precipitation, with 150 mm (5.9 in) falling over 19 days compared to September's 113 mm (4.4 in) over 12 days. Both months maintain a consistent humidity level of 74%, making them relatively similar in terms of moisture in the air. For a detailed look at May weather specifically in the Attersee region, check out Attersee weather in May.

September weather is generally milder compared to June, with average temperatures hovering around 15°C (58°F), while June sees a warmer average of 18°C (65°F). The maximum temperature in September can reach up to 30°C (86°F), slightly lower than June's peak of 33°C (92°F). Both months experience significant precipitation, but September has a total of 113 mm (4.4 in) spread over about 12 days, whereas June records a bit more at 130 mm (5.1 in) over 14 days. Humidity levels are similar, with September at 74% and June slightly higher at 75%. For further details, you can check Attersee weather in June.

When comparing the weather between September and July, several notable differences emerge. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 15°C (58°F). This month sees a total precipitation of 113 mm (4.4 in) across 12 rainy days. In contrast, July boasts warmer temperatures, with a minimum of 9°C (48°F), an average of 19°C (66°F), and a peak of 34°C (93°F). July also experiences slightly higher precipitation levels at 138 mm (5.4 in) spread over 16 days, but maintains the same humidity level of 74%. Overall, July tends to be hotter and wetter than September. For more detailed information, you can visit Attersee weather in July.

In comparing the weather between August and September, we see notable differences in temperature and precipitation. August presents warmer conditions with an average temperature of 19°C (67°F) and a maximum of 34°C (94°F), while September cools down considerably, featuring a minimum temperature of 2°C (36°F) and an average of 15°C (58°F). Precipitation levels are slightly lower in September at 113 mm (4.4 in) over 12 days compared to August's 142 mm (5.6 in) over 15 days. Additionally, September's humidity rises to 74%, slightly above August's 68%. For more detailed information, you can check Attersee weather in August.

In comparing the weather between September and October, September is characterized by warmer temperatures, with a minimum of 2°C and a maximum of 30°C, averaging 15°C. It experiences higher average temperatures and less humidity at 74%, despite having similar precipitation levels of 113 mm over about 12 days. In contrast, October brings cooler temperatures, dropping to a minimum of -1°C and averaging 10°C, with a maximum of 23°C. This month also sees increased humidity at 88% and slightly more rainy days, totaling 14 with a precipitation level of 108 mm. For a more detailed overview, you can visit Attersee weather in October.

September and November showcase a notable shift in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), averaging around 15°C (58°F). The humidity is relatively moderate at 74%, with a total precipitation of 113 mm (4.4 in) over 12 days. In contrast, November experiences much cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 20°C (68°F), averaging only 5°C (41°F). This month is also characterized by higher humidity at 90% and lower precipitation totals of 70 mm (2.8 in) across 10 days. For more insights into November weather, you can check this link: Attersee weather in November.

The weather in September and December presents a stark contrast, with September typically experiencing milder temperatures ranging from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), averaging around 15°C (58°F). In contrast, December's temperatures drop significantly, with minimums reaching as low as -10°C (15°F) and a much cooler average of 2°C (35°F). Additionally, September sees around 113 mm (4.4 in) of precipitation over 12 days, while December has slightly more precipitation at 131 mm (5.2 in) spread over 18 days, leading to a much higher humidity level of 89%. For a more detailed look at December weather conditions, check out Attersee weather in December.

Compare Attersee's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Attersee

As September unfolds at Attersee, the transition from warm summer days to cooler autumn evenings becomes evident, with temperatures that vary significantly throughout the month. While daytime highs can soar to a pleasant 30°C, the nights can dip as low as 2°C, creating a charming tapestry of warm days and crisp nights. This month also brings increased humidity, making the air feel a bit thicker, and with an average of 12 wet days contributing to a total precipitation of 113 mm, it's a month of refreshing rain showers. Unlike the more stable summer months, September is a unique blend of lingering warmth and the fresh, invigorating coolness of autumn—perfect for those looking to experience the beauty of nature transitioning into fall. For more on how weather varies throughout the year, visit Attersee Climate.