September Weather in Sankt Gilgen, Austria

Last updated: February 26, 2025

In September, Sankt Gilgen, Austria, experiences a dynamic range of weather, characterized by a maximum temperature of 27°C (81°F), making it one of the warmer months, while the average temperature settles around a cool 13°C (56°F). Temperatures can dip to a chilly -2°C (28°F), highlighting the variability of the season. With 155 mm (6.1 in) of total precipitation spread across 15 days, visitors should prepare for occasional rainfall, contributing to the area's lush landscapes. The humidity level of 74% adds a refreshing element to the air, creating a perfect backdrop for exploring the stunning natural beauty of this Alpine region.

September Temperature in Sankt Gilgen

As September arrives in Sankt Gilgen, Austria, the transitioning season brings a refreshing shift in temperatures. With minimums dipping to -2°C (28°F), the crisp air hints at the approach of autumn. Average temperatures settle around 13°C (56°F), offering a pleasant balance for outdoor enthusiasts to explore the stunning landscapes. By day, highs can reach up to 27°C (81°F), allowing for warm afternoons ideal for hiking or enjoying the local scenery. Overall, September holds a unique charm, featuring milder days and cooler nights, making it a perfect time to experience the beauty of this alpine gem as summer gradually yields to fall.

September Weather in Sankt Gilgen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sankt Gilgen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec283237455262636355483831
Data source: Temperature data for Sankt Gilgen 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 Sankt Gilgen

In September, Sankt Gilgen experiences a notable shift in precipitation patterns, receiving 155 mm (6.1 in) of rainfall over 15 days. This quantity marks a decline compared to the peak summer months, such as July's 226 mm (8.9 in) and August's 200 mm (7.9 in). However, September’s rainfall still contributes significantly to the region's lush landscapes, bridging the transition from the vibrant summer towards the more moderate autumn climate. The balance of wetter days diminishes slightly, aligning with the trend of the early fall season and hinting at the approaching coolness of October, which typically averages 140 mm (5.5 in) over about 14 days. This gradual shift illustrates the ebb and flow of precipitation that characterizes the region’s diverse seasonal changes.

September Precipitation Trends in Sankt Gilgen

The chart displays monthly precipitation patterns in Sankt Gilgen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec13911312710321218222620015514086168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sankt Gilgen

In September, Sankt Gilgen experiences a moderate humidity level of 74%, slightly higher than the drier summer months of July and August, which see humidity levels of 74% and 68% respectively. This increase signals the transition into autumn, as humidity begins to rise again towards the colder months. Interestingly, the trend indicates a gradual climb in humidity as the year progresses, with October marking a significant jump to 88%, followed by November and December, which both hover around the 90% mark. The shift from the relatively dry summer into the wetter fall embodies the region’s unique climatic rhythm, showcasing how quickly Sankt Gilgen adapts to seasonal changes.

September Average Humidity in Sankt Gilgen

This chart illustrates the average monthly humidity levels in Sankt Gilgen, 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 Sankt Gilgen

As summer transitions to autumn in Sankt Gilgen, Austria, the UV Index in September registers at a moderate-to-high level of 7, indicating an increased risk of harm from unprotected sun exposure. While this is a slight decrease from the peak summer months of July and August, which both saw a UV Index of 9, it still calls for vigilance. With a burn time of just 25 minutes, sun-seekers should take protective measures to enjoy the pleasant weather safely. This trend reflects a gradual decline in UV intensity as the year progresses, with indices dropping from the highs of summer to more moderate levels in the fall. For more detailed information about UV conditions throughout the year, visit Sankt Gilgen UV Index.

Maximum UV Index Levels in Sankt Gilgen for September

The chart shows the monthly maximum UV Index (UVI) for Sankt Gilgen 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.
JanFebMarAprMayJunJulAugSepOctNovDec236789987432
Data source: Sankt Gilgen 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 Sankt Gilgen

Sankt Gilgen basks in the radiant glow of sunshine throughout the year, with September standing out as a splendid month, boasting 294 hours of sunshine. As summer bids farewell, the sun continues to shine brightly, albeit with a gradual decline from the peak of 396 hours in July. This gentle tapering reflects the transition into autumn, yet September still retains more sunshine than its cooler counterparts, such as October and November, which dipped to 272 and 223 hours respectively. As the days grow shorter and the leaves begin to change, September's abundant sunlight invites both locals and visitors to relish the beauty of Sankt Gilgen, making it an enchanting time to explore this picturesque Austrian gem.

Monthly Sunshine Duration in Sankt Gilgen: September Highlighted

The September sunshine duration represents the total number of hours Sankt Gilgen 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.
JanFebMarAprMayJunJulAugSepOctNovDec158h231h286h335h338h376h396h356h294h272h223h180h
Data source: Sankt Gilgen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sankt Gilgen During September

In September, Sankt Gilgen, Austria, experiences a notable shift in sunny weather, boasting a 49% chance of sunshine. This marks an encouraging transition from the summer months, where July and August see lower probabilities of clear skies at 34% and 30%, respectively. As autumn approaches, the likelihood of sun in September stands out, suggesting an ideal time for outdoor activities and enjoying the stunning landscapes. This upward trend from the preceding months reflects a balance between the fading warmth of summer and the crispness of fall, making September a delightful choice for those seeking sunshine in this picturesque town.

Percentage of Sunny Days in September in Sankt Gilgen

The chart illustrates the percentage of sunny days in Sankt Gilgen 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 Sankt Gilgen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%45%41%39%26%40%34%30%49%38%31%22%
Data source: Sankt Gilgen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sankt Gilgen in September

As summer wanes in Sankt Gilgen, Austria, September offers a gentle transition into autumn with approximately 12 hours of daylight. This month showcases the gradual decline from the 15 hours enjoyed during the peak of summer, providing a soft balance between light and shadow. While September still retains a generous amount of daylight, it signals the start of shorter days ahead, reminiscent of spring's longer hours that began with just 8 hours in January. The steady shift throughout the year not only highlights nature's rhythm but also invites residents and visitors alike to embrace the beauty of the changing seasons under the enchanting lake views.

Average Daylight Hours in Sankt Gilgen for September

The chart illustrates the variation in daylight duration in Sankt Gilgen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 53m10h 14m11h 55m13h 39m15h 9m15h 54m15h 30m14h 11m12h 31m10h 47m9h 16m8h 28m
Data source: Sankt Gilgen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sankt Gilgen

As summer fades into autumn, September in Sankt Gilgen, Austria, brings a gentle shift in the breeze, with the average wind speed dipping to 1.4 m/s (3 mph). This marks a noticeable decline compared to the steady winds of preceding months, particularly July and August, which both averaged around 1.5 m/s (3 mph). Throughout the year, a consistent pattern emerges: winter months like January and February enjoy slightly brisker winds averaging 1.8 m/s (4 mph), while late summer and early autumn seem to usher in a more tranquil air. Observing this transition, one can sense the preparation for the crisp, invigorating gusts of October, which often heralds the arrival of autumn's vibrant colors in this picturesque location.

Average September Wind Speed in Sankt Gilgen

The chart displays monthly wind speed patterns in Sankt Gilgen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.61.71.81.81.61.51.51.4 m/s1.61.41.6
Data source: Sankt Gilgen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sankt Gilgen Compares to Other Months

The weather in Sankt Gilgen 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 Sankt Gilgen and find detailed weather information for every month.

September and January present strikingly different weather conditions. In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm average of 13°C (56°F), peaking at a pleasant 27°C (81°F). The month experiences considerable rainfall, with 155 mm (6.1 in) spread over 15 days and humidity averaging 74%. In contrast, January is much colder, with temperatures dipping down to a minimum of -21°C (-6°F) and a maximum of only 11°C (52°F), leading to an average of -2°C (28°F). During this winter month, precipitation is slightly lower at 139 mm (5.5 in), falling over 14 days, and humidity is notably higher at 91%. This stark difference in temperature and humidity highlights the seasonal extremes experienced in this region. For more detailed information about January weather, you can visit Sankt Gilgen weather in January.

September and February present stark contrasts in weather patterns. In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 27°C (81°F), with an average of 13°C (56°F). The month also experiences significant precipitation, totaling 155 mm (6.1 in) over 15 days, accompanied by a humidity level of 74%. In contrast, February is much colder, with temperatures dipping to a minimum of -20°C (-4°F) and only reaching a maximum of 16°C (60°F), averaging around 0°C (32°F). Precipitation is lower at 113 mm (4.4 in) over 14 days, but the humidity is higher at 87%. For more detailed information, you can explore Sankt Gilgen weather in February.

In comparing the weather of September and March, we find notable contrasts in temperature and precipitation patterns. September boasts a more moderate range, with temperatures ranging from a chilly minimum of -2°C (28°F) to a pleasant maximum of 27°C (81°F), averaging around 13°C (56°F). In contrast, March presents a much colder climate, with temperatures dipping to a minimum of -19°C (-1°F) and rising to a maximum of 18°C (64°F), averaging just 3°C (37°F). While both months experience a similar amount of precipitation, with September receiving 155 mm (6.1 in) over 15 days and March 127 mm (5.0 in) over 17 days, March has slightly higher humidity at 82% compared to September's 74%. For a closer look at March weather specifics, you can check Sankt Gilgen weather in March.

When comparing the weather in September and April, we can see distinct differences in temperature and precipitation. September presents a milder climate, with average temperatures ranging from -2°C (28°F) to a maximum of 27°C (81°F), while April experiences colder conditions, with temperatures varying from -11°C (13°F) to a maximum of 25°C (77°F). Furthermore, September sees higher precipitation levels, with 155 mm (6.1 in) over 15 days, compared to April's 102 mm (4.0 in) over 13 days. Interestingly, despite its cooler temperatures, April has slightly higher humidity at 79% versus September's 74%. For a detailed look at April's weather in Sankt Gilgen, check out Sankt Gilgen weather in April.

When comparing the weather in September and May, notable differences emerge. September tends to be slightly warmer, with average temperatures around 13°C (56°F), peaking at 27°C (81°F), while May's averages are a bit cooler at 11°C (53°F) with maximums reaching 28°C (83°F). However, May experiences a significantly lower minimum temperature of -8°C (17°F) compared to September's -2°C (28°F). In terms of precipitation, May is notably wetter, with 212 mm (8.3 in) falling over 22 days, compared to September's 155 mm (6.1 in) over 15 days. Both months maintain the same humidity levels at 74%, providing a damp atmosphere. For more detailed information, check out Sankt Gilgen weather in May.

In comparing the weather of September and June, we see distinct differences in temperature and precipitation patterns. September experiences a wider temperature range, with minimums dropping to -2°C (28°F) and maximums reaching 27°C (81°F), while June boasts slightly warmer temperatures, peaking at 32°C (90°F) and a minimum of 2°C (36°F). Both months see substantial precipitation, with September receiving 155 mm (6.1 in) over 15 days and June slightly higher at 182 mm (7.1 in) across 17 days. Humidity levels remain similar, with September at 74% and June at 75%. For a deeper look at the June weather, you can explore Sankt Gilgen weather in June.

When comparing the weather in September to that of July, significant differences emerge. September experiences a wider temperature range, with minimums dropping as low as -2°C (28°F) and maximums reaching 27°C (81°F), while the average temperature is 13°C (56°F). In contrast, July is characterized by warmer temperatures, with minimums of 7°C (44°F), maximums hitting 33°C (92°F), and an average of 17°C (63°F). Furthermore, precipitation is higher in July, totaling 226 mm (8.9 in) and falling over 20 days compared to September's 155 mm (6.1 in) over 15 days. Interestingly, the humidity remains consistent in both months at 74%. For more detailed insights, check out Sankt Gilgen weather in July.

In comparing the weather between August and September, we see notable differences in temperature and precipitation. September experiences cooler temperatures, with averages around 13°C (56°F), compared to August's warmer average of 17°C (63°F). While September's maximum temperature peaks at 27°C (81°F), August reaches a higher maximum of 33°C (92°F). Additionally, September is characterized by more frequent rain, with 155 mm (6.1 in) of precipitation over 15 days, whereas August records a higher total precipitation of 200 mm (7.9 in) across 18 days. The humidity also shifts slightly, being higher in September at 74% compared to August's 68%. For more detailed insights, you can check Sankt Gilgen weather in August.

In September, the weather features a wider temperature range, with minimums dropping to -2°C (28°F) and maximums reaching a pleasant 27°C (81°F). The average temperature is a mild 13°C (56°F), accompanied by significant precipitation of 155 mm (6.1 in) over 15 days, alongside a humidity level of 74%. By contrast, October brings cooler overall temperatures, with averages declining to 9°C (48°F) and maximums peaking at 22°C (72°F). While the precipitation is slightly lower at 140 mm (5.5 in) over 14 days, humidity increases to 88%, adding to the crisp, autumnal feel. For more specific details on the weather in October, check out Sankt Gilgen weather in October.

September weather is generally warmer, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 27°C (81°F), leading to an average of 13°C (56°F). In contrast, November experiences cooler temperatures, with lows dropping to -12°C (12°F) and an average of only 3°C (38°F). The month of September also sees more precipitation, accumulating 155 mm (6.1 in) over 15 days, while November has lower precipitation levels of 86 mm (3.4 in) over just 10 days. Additionally, November tends to be more humid, with humidity levels at 90% compared to September's 74%. For more details about the November weather, you can check Sankt Gilgen weather in November.

In September, temperatures in Sankt Gilgen range from a chilly -2°C (28°F) at night to a pleasant 27°C (81°F) during the day, with an average of 13°C (56°F). The month is marked by 155 mm (6.1 in) of precipitation, spread over about 15 days, and the humidity levels sit at a moderate 74%. In contrast, December sees a substantial drop in temperatures, with nighttime lows plummeting to -15°C (5°F) and daytime highs only reaching up to 12°C (55°F), averaging around -1°C (31°F). December is slightly wetter, receiving 168 mm (6.6 in) of precipitation over 18 days, with humidity increasing to a notable 89%. For a more detailed look at Sankt Gilgen's weather in December, visit Sankt Gilgen weather in December.

Compare Sankt Gilgen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sankt Gilgen

In September, Sankt Gilgen experiences a transition from the warmth of summer to the crispness of autumn, making it a unique time of year. While the days can still reach pleasant temperatures, the nights begin to cool significantly, which is a distinct change from the more stable warmth of previous months. Humidity levels remain high, contributing to the muggy feel early in the month, but this gradually shifts as the days grow shorter. Additionally, precipitation increases, with more rainy days compared to the summer months, adding a refreshing vitality to the region's landscape. For those interested in delving deeper into what makes Sankt Gilgen's climate so special, visit Sankt Gilgen Climate.