September Weather in Obertrum am See, Austria

Last updated: February 26, 2025

September in Obertrum am See, Austria brings a delightful mix of mild temperatures and a touch of autumnal charm. With maximums reaching 28°C (83°F) and average daily temperatures around 14°C (58°F), the days can still feel warm, while the nights cool down to a brisk 2°C (36°F). Visitors should be prepared for the occasional rainfall, as the month sees about 115 mm (4.5 in) of precipitation spread over 13 days. The humidity stays relatively high at 74%, contributing to the refreshing yet crisp atmosphere that characterizes this beautiful lakeside region as summer transitions to fall.

September Temperature in Obertrum am See

September in Obertrum am See, Austria marks a delightful transition into autumn, with temperatures gradually cooling but still pleasant. The month starts with a minimum of 2°C (36°F), showcasing the last bits of summer's warmth, while the average temperature hovers around 14°C (58°F). Daytime highs can reach up to 28°C (83°F), creating a cozy atmosphere perfect for outdoor activities amidst stunning fall foliage. As summer fades, September's temperatures highlight a gradual decline from the warmth of the preceding months, inviting visitors to enjoy the scenic beauty and tranquility of this picturesque Austrian locale.

September Weather in Obertrum am See: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Obertrum am See, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec323641495565666658504035
Data source: Temperature data for Obertrum am See 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 Obertrum am See

In September, Obertrum am See experiences a notable transition in weather as precipitation levels reach 115 mm (4.5 in) over 13 days of rain. This signifies a slight dip from the summer months, where rainfall peaked in May and August at 157 mm (6.2 in), yet still remains significant as the region prepares for the autumn season. With September's rainfall falling in the mid-range compared to earlier months, locals and visitors alike can anticipate the lush landscapes that flourish from this moisture while also enjoying the milder weather before the chill of autumn sets in. The balance of rain and dry days makes September a particularly captivating time in Obertrum am See, blending vibrant fall foliage with the lingering warmth of summer.

September Precipitation Trends in Obertrum am See

The chart displays monthly precipitation patterns in Obertrum am See, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9989926515713715015711510872128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Obertrum am See

In Obertrum am See, Austria, the month of September experiences a humidity level of 74%, which aligns closely with the preceding months of July and August, both at 74% and 68%, respectively. This slight increase marks a transition from the drier summer months to the wetter autumn season. Notably, September's humidity remains significantly lower than the peak levels seen in the winter months, particularly January and February when humidity reaches a lofty 91% and 87%. As the year progresses, the trend indicates a gradual rise in humidity, culminating in the higher figures of late autumn, reflecting the shift in seasonal weather patterns.

September Average Humidity in Obertrum am See

This chart illustrates the average monthly humidity levels in Obertrum am See, 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 Obertrum am See

As summer transitions into autumn in Obertrum am See, the September UV Index reflects a decrease in sun intensity compared to the peak months. With a UV Index of 6, categorized as high, residents and visitors should still exercise caution, as the burn time is reduced to 25 minutes. This notable dip follows the very high indexes experienced in July and August, which both reached a maximum of 9, emphasizing the need for sun protection during those sweltering summer days. Overall, September offers a more moderate sun exposure, making it a pleasant time for outdoor activities, while remaining vigilant about UV safety. For detailed information, visit the Obertrum am See UV Index.

Maximum UV Index Levels in Obertrum am See for September

The chart shows the monthly maximum UV Index (UVI) for Obertrum am See 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Obertrum am See 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 Obertrum am See

As summer fades into autumn, September in Obertrum am See continues to bask in the warmth of sunshine, boasting 300 hours of radiant light. This month marks a gentle decline from the sun-soaked peak of July with its impressive 412 hours, yet still outshines the cooler months ahead. September's glow provides a perfect balance, inviting outdoor activities as nature begins to shift. While the hours of sunlight diminish compared to the vibrant summer, they remain significantly higher than the winter months, which see an average of just 173 hours in December. This transitional period captures the beauty of both summer and autumn, making it a delightful time to experience the charm of this picturesque Austrian locale.

Monthly Sunshine Duration in Obertrum am See: September Highlighted

The September sunshine duration represents the total number of hours Obertrum am See 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.
JanFebMarAprMayJunJulAugSepOctNovDec149h230h290h338h357h389h412h368h300h268h223h172h
Data source: Obertrum am See September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Obertrum am See During September

September in Obertrum am See, Austria, marks a delightful upswing in chances for sunny weather, with a promising 52% likelihood of sunshine. This month stands out, surpassing the sunniest summer months of July and August, which boast 37% and 34% probability respectively. As the season transitions into autumn, the ambiance is characterized by milder temperatures and clearer skies, making it an ideal time for outdoor activities. This increase in sunshine, following the relatively dim conditions of the early months, showcases September's potential to provide a refreshing blend of warmth and brightness. Embrace the vibrant hues of early autumn amidst a backdrop of sunny days!

Percentage of Sunny Days in September in Obertrum am See

The chart illustrates the percentage of sunny days in Obertrum am See 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 Obertrum am See experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%44%44%43%28%40%37%34%52%39%29%22%
Data source: Obertrum am See September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Obertrum am See in September

As summer transitions into autumn in Obertrum am See, Austria, September sees a noticeable dip in daylight duration, with approximately 12 hours of sunlight. This marks a shift from the long, sun-filled days of July and August, where the region basked in 15 hours of daylight. As the year progresses, the days continue to shorten, returning to around 10 hours by October. The gradual decrease from 15 hours in May through a steep drop in daylight underscores the region's vibrant seasonal changes, inviting both residents and visitors to embrace the beauty of early autumn.

Average Daylight Hours in Obertrum am See for September

The chart illustrates the variation in daylight duration in Obertrum am See throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 52m10h 13m11h 55m13h 40m15h 10m15h 57m15h 32m14h 12m12h 31m10h 47m9h 14m8h 26m
Data source: Obertrum am See daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Obertrum am See

As September settles in Obertrum am See, the air takes on a gentler rhythm, with an average wind speed of just 1.9 m/s (4 mph), marking it as one of the calmest months of the year. Following a summer of slightly brisker breezes, this decline reflects a natural transition into the quieter days of autumn. The wind's relaxation in September contrasts with the spring months when speeds tend to be slightly higher, hovering around 2.4 m/s (5 mph). Overall, this tranquil wind trend encourages visitors to bask in the serene beauty of the landscape, making it an ideal time for leisurely strolls along the picturesque shores or enjoying peaceful moments in nature.

Average September Wind Speed in Obertrum am See

The chart displays monthly wind speed patterns in Obertrum am See, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.32.42.42.72.12.02.11.9 m/s2.12.02.4
Data source: Obertrum am See September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Obertrum am See Compares to Other Months

The weather in Obertrum am See 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 Obertrum am See and find detailed weather information for every month.

In September, the weather is generally much milder, with temperatures ranging from a chilly 2°C (36°F) at night to a warm 28°C (83°F) during the day, while the average temperature sits comfortably at 14°C (58°F). This month experiences noticeable precipitation, totaling 115 mm (4.5 in) over about 13 days, and the humidity is a moderate 74%. In contrast, January brings a significant drop in temperatures, with lows plummeting to -17°C (1°F) and daytime highs reaching only 13°C (56°F), resulting in an average temperature of 0°C (33°F). Despite slightly less precipitation at 99 mm (3.9 in) spread over 12 days, January's humidity is notably higher at 91%. For a closer look at January’s weather specifics, you can explore Obertrum am See weather in January.

In September, the weather in Obertrum am See offers a wide range of temperatures, with a minimum of 2°C (36°F) and a maximum reaching up to 28°C (83°F), providing a pleasant average of 14°C (58°F). The month sees moderate precipitation, with 115 mm (4.5 in) spread over 13 days, accompanied by a humidity level of 74%. In contrast, February presents a colder climate, featuring minimum temperatures dropping to -13°C (9°F) and a milder maximum of 19°C (66°F), resulting in an average temperature of 2°C (37°F). The precipitation is slightly lower at 89 mm (3.5 in) across the same number of days, yet the humidity is notably higher at 87%. For a detailed look at February’s weather in this region, visit Obertrum am See weather in February.

In comparing the weather of September and March, we see a notable contrast in temperature and precipitation patterns. September boasts a wider temperature range with a minimum of 2°C (36°F), an average of 14°C (58°F), and a maximum of 28°C (83°F), offering warmer days. In contrast, March features much colder temperatures, with a minimum of -12°C (10°F), an average of 5°C (41°F), and a maximum of 20°C (68°F). While September experiences about 115 mm (4.5 in) of precipitation over 13 days, March sees slightly less at 92 mm (3.6 in) across 15 days. Additionally, humidity levels are higher in March at 82%, compared to September's 74%. For more detailed insights on March weather, visit Obertrum am See weather in March.

When comparing the weather in September and April, noticeable differences emerge in temperature, precipitation, and humidity. September tends to be milder, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), while April experiences colder conditions, with temperatures spanning from -4°C (25°F) to 27°C (81°F). Despite similar maximum temperatures, April generally has a cooler average of 9°C (49°F) versus September's 14°C (58°F). Precipitation is more abundant in September, with 115 mm (4.5 in) over 13 days, compared to April's 65 mm (2.5 in) over 11 days. Additionally, April features slightly higher humidity levels at 79%, contrasting with September's 74%. For a more detailed overview, you can check the Obertrum am See weather in April.

When comparing the weather in September and May, a few notable differences and similarities emerge. September tends to have slightly warmer temperatures, with minimums around 2°C (36°F) and maximums reaching up to 28°C (83°F), yielding an average of 14°C (58°F). In contrast, May starts off a bit cooler, with minimum temperatures at 0°C (32°F) and an average of 13°C (56°F), peaking at 29°C (85°F). Both months experience relatively high humidity, averaging 74%, but May sees more precipitation overall, totaling 157 mm (6.2 in) spread over 19 days, while September has 115 mm (4.5 in) over 13 days. For more details on May weather specifically, you can refer to Obertrum am See weather in May.

When comparing the weather in September and June, one can observe notable differences in temperature and precipitation patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), with an average of 14°C (58°F). The month experiences substantial rainfall, totaling 115 mm (4.5 in) over 13 days, and humidity sits at 74%. In contrast, June offers warmer temperatures, with a minimum of 5°C (42°F), an average of 18°C (66°F), and a maximum of 33°C (92°F). Although June receives slightly more precipitation at 137 mm (5.4 in) over 14 days, the humidity is slightly higher at 75%. This difference in conditions showcases the transition from late spring to early autumn, impacting outdoor activities and general comfort levels. For more specific details on June weather, you can check out Obertrum am See weather in June.

When comparing the weather in September and July, distinct differences emerge. September typically features a wider range of temperatures, with a minimum of 2°C (36°F) and a maximum of 28°C (83°F), averaging around 14°C (58°F). In contrast, July is warmer overall, with minimum temperatures of 9°C (48°F), an average of 19°C (66°F), and a maximum of 34°C (93°F). Precipitation is also notable, with September receiving 115 mm (4.5 in) over 13 days and July having slightly more at 150 mm (5.9 in) across 17 rainy days. Despite both months exhibiting the same humidity level of 74%, July's warmer temperatures often make it feel more summery. For those interested in specifics, take a look at the details provided in Obertrum am See weather in July.

In comparing the weather between August and September, there are noticeable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 14°C (58°F), compared to August's minimum of 7°C (45°F) and average of 19°C (66°F). This results in a more significant drop in temperatures as fall begins to approach. While August sees warmer maximum temperatures reaching up to 33°C (92°F), September's maximum is more moderate at 28°C (83°F).

In terms of precipitation, September registers 115 mm (4.5 in) over 13 days, slightly less than August's 157 mm (6.2 in) across 15 days. Humidity levels also shift, with September experiencing slightly higher humidity at 74% compared to August's 68%. For more detailed insights into the weather conditions during August, you can visit Obertrum am See weather in August.

September and October weather show notable differences in temperature and humidity. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), with an average of 14°C (58°F). This month also experiences 115 mm (4.5 in) of precipitation over 13 days, accompanied by a humidity level of 74%. In contrast, October sees cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 23°C (74°F), averaging only 10°C (51°F). The month brings 108 mm (4.3 in) of rain spread over 14 days and a higher humidity of 88%. For more detailed insights, you can check the Obertrum am See weather in October.

September and November exhibit contrasting weather patterns. In September, temperatures range from a mild minimum of 2°C (36°F) to a warm average of 14°C (58°F), peaking at a maximum of 28°C (83°F). Rainfall is relatively high during this month, with 115 mm (4.5 in) falling over 13 days and humidity at 74%. In contrast, November experiences cooler temperatures, with a minimum of -4°C (26°F), an average of 5°C (41°F), and a maximum of 19°C (67°F). Precipitation decreases to 72 mm (2.8 in) over 10 days, but humidity rises to 90%. For more insights into November weather, visit Obertrum am See weather in November.

September and December weather in Obertrum am See present a stark contrast. In September, temperatures range from a mild 2°C (36°F) at night to a warm average of 14°C (58°F) and peak at a comfortable 28°C (83°F). This month also sees relatively moderate precipitation of 115 mm (4.5 in) over 13 days, accompanied by a humidity level of 74%. In contrast, December experiences chillier conditions, with temperatures dropping to a minimum of -7°C (20°F) and averaging just 2°C (36°F), peaking at 14°C (58°F). Precipitation increases slightly to 128 mm (5.0 in) spread over 17 days, and humidity rises to 89%, creating a much wetter atmosphere. For more detailed information, check out the Obertrum am See weather in December.

Compare Obertrum am See's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Obertrum am See

As September ushers in the early whispers of autumn, Obertrum am See experiences a distinct transition from the warmth of summer to cooler temperatures. The average temperature settles at a crisp 14°C (58°F), and while peak warmth can still reach a pleasant 28°C (83°F), chilly nights remind us that winter is approaching. With 115 mm of rainfall over approximately half the month, precipitation becomes more common, contributing to the region's lush landscapes. The higher humidity of 74% often combines with these cooler, wetter conditions, making September feel refreshingly vibrant in contrast to the dry heat of summer. For detailed insights into how September fits into the broader climate patterns, visit Obertrum am See Climate.