September Weather in Bad Ischl, Austria

Last updated: February 26, 2025

September in Bad Ischl, Austria, showcases a diverse climate that can range from chilly to mildly warm. With maximum temperatures reaching 27°C (81°F) and an average of 13°C (55°F), outdoor enthusiasts can enjoy varying activities throughout the month. However, a notable challenge comes in the form of precipitation, totaling 156 mm (6.1 in) over 16 days, contributing to the region's lush beauty but requiring a bit of planning for those wishing to explore. The humidity hovers around 74%, adding a touch of dampness to the air, which is characteristic of the autumn season. Whether basking in the sun or navigating rainy spells, September in Bad Ischl offers a unique blend of experiences for all visitors.

September Temperature in Bad Ischl

As September arrives in Bad Ischl, Austria, a noticeable transition begins to unfold. The temperatures gently slide from the warmth of summer, presenting a minimum of -2°C (29°F) and reaching an average of 13°C (55°F), with peaks hitting around 27°C (81°F). This month marks a shift where cooler mornings and evenings hint at the approaching autumn, yet the days can still offer a delightful warmth reminiscent of summer's embrace. You'll find that the maximums, while still comforting, begin to lessen compared to the summer highs, paving the way for cozy sweaters and scenic fall strolls through the vibrant landscape. This transitional phase reflects the balance of lingering warmth and the crispness of early autumn, making September a captivating time to experience the beauty of Bad Ischl.

September Weather in Bad Ischl: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bad Ischl, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec283236455262636355483831
Data source: Temperature data for Bad Ischl 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 Bad Ischl

In September, Bad Ischl experiences a noticeable shift in precipitation patterns, with 156 mm (6.1 in) of rainfall occurring over 16 days. This places September among the wetter months, although its total is a slight drop from the preceding summer months, such as July's peak of 215 mm (8.5 in). The consistent rainfall in September supports the vibrant local scenery, as the region transitions into autumn. Interestingly, this month tends to feature less precipitation than the 208 mm (8.2 in) recorded in May, yet remains higher than both October and November, indicating a seasonal trend where autumn sees a decline in rain. This balance between wet and dry days is crucial for the lush landscapes that define Bad Ischl, making it a captivating destination throughout the year.

September Precipitation Trends in Bad Ischl

The chart displays monthly precipitation patterns in Bad Ischl, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1411121259920817921519015614086168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bad Ischl

In September, Bad Ischl experiences an average humidity of 74%, reflecting a slight increase from the warm summer months. This transitional period marks a subtle shift in the weather, as the humidity gradually rises after reaching a low of 68% in August. The overall trend reveals a pattern where humidity is at its highest in the winter months, peaking at 91% in January, then steadily declining towards summer. As autumn approaches, humidity levels begin to creep back up, suggesting cooler, moister air is on the horizon. This creates a comfortable yet slightly damp atmosphere, perfect for enjoying the stunning landscapes of this charming Austrian town.

September Average Humidity in Bad Ischl

This chart illustrates the average monthly humidity levels in Bad Ischl, 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 Bad Ischl

As summer fades into September in Bad Ischl, Austria, the UV Index begins to decline, yet it remains a notable 7, placing it in the high exposure category. This means that while the cooler temperatures signal autumn's arrival, sun protection is still important, with a burn time of approximately 25 minutes for those sensitive to UV radiation. Compared to the scorching months of June and July, where the index peaked at a severe 9, September offers a slight reprieve while still retaining a significant risk for skin damage during peak hours. As the year progresses into October, the index will continue to drop, illustrating a clear seasonal trend in UV exposure. For those looking to stay informed, further details can be found at Bad Ischl UV Index.

Maximum UV Index Levels in Bad Ischl for September

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

September in Bad Ischl, Austria, ushers in a golden transition as summer gently yields to autumn, capturing a delightful 290 hours of sunshine. This month marks a significant decrease from the sun-drenched heights of July, which boasts 396 hours, yet still shines brighter than the early days of winter. As the days grow shorter, September reflects the overall trend of diminishing daylight hours, yet its warmth and luminous skies provide a perfect backdrop for outdoor adventures. With the verdant landscapes beginning to shift into autumn hues, this month offers a captivating blend of light and color that invites both locals and visitors to savor the last whispers of summer.

Monthly Sunshine Duration in Bad Ischl: September Highlighted

The September sunshine duration represents the total number of hours Bad Ischl 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.
JanFebMarAprMayJunJulAugSepOctNovDec155h230h280h335h336h374h396h355h290h269h222h177h
Data source: Bad Ischl September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bad Ischl During September

In Bad Ischl, Austria, the likelihood of sunny weather tends to increase as summer transitions into autumn, with September standing out at a notable 49% chance of sunshine. This month not only reflects a peak in sunshine relative to the summer months of July and August, but it also sets the stage for fall, offering a delightful blend of warm days and clear skies. As the days gradually shorten and temperatures cool, September emerges as a time when outdoor activities can still bask in the sunlight, making it a prime month for enjoying the stunning alpine landscapes. In comparison to the rest of the year, only February and June surpass it, showcasing the unique charm of this late summer month in the heart of the Salzkammergut region.

Percentage of Sunny Days in September in Bad Ischl

The chart illustrates the percentage of sunny days in Bad Ischl 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 Bad Ischl experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%44%40%39%26%41%35%31%49%37%31%21%
Data source: Bad Ischl September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bad Ischl in September

As September unfolds in Bad Ischl, Austria, the daylight begins to wane, offering a gentle transition from the vibrant summer months. With 12 hours of daylight, this month marks a noticeable dip from the sun-soaked days of July and August, both boasting 15 hours. As the leaves start to change and the air cools, residents savor the lingering warmth while anticipating the crispness of fall. This gradual reduction continues into the colder months, with October presenting 10 hours of daylight and November tapering down to 9 hours. Thus, September serves as a bittersweet reminder of summer's end, balancing ample sunshine with the promise of the cozy, candle-lit days ahead.

Average Daylight Hours in Bad Ischl for September

The chart illustrates the variation in daylight duration in Bad Ischl 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 56m15h 31m14h 11m12h 31m10h 47m9h 15m8h 26m
Data source: Bad Ischl daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bad Ischl

In September, the average wind speed in Bad Ischl settles at a gentle 1.5 m/s (3 mph), continuing the trend of lighter breezes experienced throughout the summer months. Following a slight dip from the springtime averages, which hovered around 1.8 m/s, the winds remain consistently soft, creating a serene atmosphere for the beautiful Austrian picturesque landscape. This calmness sets the stage for the transition into autumn, with the winds slightly increasing once again as October approaches. As the year progresses, Bad Ischl's wind patterns reveal a rhythmic flow that complements the tranquil charm of the region.

Average September Wind Speed in Bad Ischl

The chart displays monthly wind speed patterns in Bad Ischl, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.61.71.81.81.61.51.51.5 m/s1.61.51.6
Data source: Bad Ischl September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bad Ischl Compares to Other Months

The weather in Bad Ischl 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 Bad Ischl and find detailed weather information for every month.

Comparing the weather in September to January reveals significant differences, particularly in temperature and humidity. In September, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 27°C (81°F), with an average of 13°C (55°F). The month is characterized by relatively moderate precipitation, with 156 mm (6.1 in) falling over 16 days and humidity levels at 74%. In contrast, January brings a much colder climate, where temperatures drop to a minimum of -19°C (-2°F) and an average of -2°C (28°F), with a maximum reaching only 9°C (49°F). Precipitation is slightly lower at 141 mm (5.5 in) over 14 days, but the humidity spikes to a notable 91%. For a closer look at the climate specifics, check out Bad Ischl weather in January.

September and February present contrasting climatic profiles. In September, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 27°C (81°F), with an average of 13°C (55°F). The month experiences significant rainfall, totaling 156 mm (6.1 in) over about 16 days, and a moderate humidity level of 74%. In stark contrast, February sees much colder conditions, with minimum temperatures plummeting to -20°C (-3°F) and an average temperature of 0°C (32°F), peaking at 15°C (60°F). While February has lower total precipitation at 112 mm (4.4 in), it is spread over 15 days and experiences higher humidity at 87%. For more insights on the weather in February, visit Bad Ischl weather in February.

September and March exhibit contrasting weather patterns, with September generally milder and more variable than the colder conditions of March. In September, temperatures range from a minimum of -2°C (29°F) to a comfortable maximum of 27°C (81°F), while March experiences much cooler temperatures, ranging from -18°C (1°F) to a maximum of 17°C (64°F). Precipitation in September is higher at 156 mm (6.1 in) over 16 days, compared to March's 125 mm (4.9 in) over 17 days, indicating slightly wetter conditions in the former. Additionally, September's humidity sits at 74%, lower than March's 82%, making late summer feel relatively drier. For more detailed weather insights, check Bad Ischl weather in March.

September and April present contrasting weather conditions in terms of temperature and precipitation. September typically enjoys milder temperatures, with a minimum of -2°C (29°F) and an average that peaks at 27°C (81°F), while April is colder, having a minimum of -10°C (14°F) and an average high of 24°C (76°F). Despite April’s chill, it experiences slightly higher humidity at 79% compared to September's 74%. In terms of rainfall, September is wetter, accumulating 156 mm (6.1 in) over 16 days, whereas April sees 99 mm (3.9 in) over just 13 days, making it a relatively drier period. For more insights on April weather, you can visit Bad Ischl weather in April.

In comparing the weather of September and May, we observe some notable differences. September tends to be milder, with average temperatures reaching 13°C (55°F) and a maximum of 27°C (81°F), while May has a slightly cooler average of 11°C (52°F) and a higher maximum of 29°C (84°F). However, May experiences more precipitation, with 208 mm (8.2 in) over 23 days, compared to September's 156 mm (6.1 in) across 16 days. Both months share a humidity level of 74%, creating a consistently damp feel in the air. For more detailed information about May weather, visit Bad Ischl weather in May.

In comparing the weather of September and June, it's notable that June generally experiences higher average temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 32°C (89°F), compared to September's cooler temperatures, which range from -2°C (29°F) at the minimum to a maximum of 27°C (81°F). Additionally, June has slightly more precipitation, averaging 179 mm (7.0 in) over 17 days, while September sees 156 mm (6.1 in) over 16 days. Humidity levels are fairly similar, with June at 75% and September at 74%. For more detailed insights about the climate specifics during this month, check out Bad Ischl weather in June.

In comparing the weather between September and July, it's evident that July is warmer overall, with an average temperature of 17°C (63°F) and a maximum of 33°C (92°F), while September has a cooler average of 13°C (55°F) and peaks at 27°C (81°F). July also tends to be wetter, receiving 215 mm (8.5 in) of precipitation over 20 days compared to September's 156 mm (6.1 in) over 16 days. Interestingly, both months share the same humidity level of 74%, providing a similar level of moisture in the air despite the overall differences in temperature and rainfall. For more detailed insights on July weather patterns, you can visit Bad Ischl weather in July.

In comparing the weather of September and August, we see a notable drop in temperatures as September experiences a minimum of -2°C (29°F) and an average of 13°C (55°F), while August maintains milder conditions with a minimum of 5°C (40°F) and an average of 17°C (63°F). Maximum temperatures also decline, with September peaking at 27°C (81°F) compared to August's hotter high of 33°C (92°F). Precipitation is slightly lower in September, with 156 mm (6.1 in) over 16 days of rain, as opposed to August’s 190 mm (7.5 in) over 18 days. Additionally, September's humidity is higher at 74%, while August remains cooler at 68%. For more specific details regarding August's conditions, you can refer to Bad Ischl weather in August.

In September, the weather shows greater variability with temperatures ranging from a chilly -2°C (29°F) at night to a warm max of 27°C (81°F) during the day, averaging around 13°C (55°F). This month experiences significant precipitation, totaling 156 mm (6.1 in) over 16 days, and a humidity level of 74%. In contrast, October brings consistently cooler temperatures, with a min of -2°C (28°F) and a max of 22°C (72°F), resulting in an average of 9°C (48°F). While precipitation also persists, it slightly decreases to 140 mm (5.5 in) over 14 days, and humidity rises to a higher 88%. For a more detailed look at the weather in October, you can visit Bad Ischl weather in October.

In September, temperatures are generally milder, ranging from a minimum of -2°C (29°F) to a maximum of 27°C (81°F), with an average of 13°C (55°F). The month experiences considerable rainfall, with 156 mm (6.1 in) falling over 16 days, and humidity levels averaging 74%. In contrast, November brings colder conditions, with temperatures dipping as low as -10°C (14°F) and averaging only 3°C (38°F), peaking at a max of 18°C (64°F). The precipitation decreases to 86 mm (3.4 in) over 10 days, but humidity rises to a higher level of 90%. For a more detailed view of November weather, you can visit Bad Ischl weather in November.

In September, the weather in Bad Ischl is generally milder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 27°C (81°F) and an average of 13°C (55°F). The month sees 156 mm (6.1 in) of precipitation over about 16 days, along with a humidity level of 74%. In contrast, December brings significantly colder temperatures, with a minimum of -15°C (5°F), an average of -1°C (31°F), and a maximum of 12°C (54°F). Precipitation increases slightly to 168 mm (6.6 in) over 18 days, accompanied by higher humidity levels at 89%. For more details on December weather, visit Bad Ischl weather in December.

Compare Bad Ischl's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bad Ischl

As September unfolds in Bad Ischl, the weather begins to shift, showcasing a blend of warm days and crisp evenings. While the temperatures can reach a pleasant 27°C (81°F), they quickly cool down to a much chillier -2°C (29°F) at night, marking a distinct transition from the warmth of summer. With an average temperature of 13°C (55°F), September stands out as a month of contrasts, often accompanied by 156 mm (6.1 in) of precipitation over 16 days, hinting at the changing seasons. The 74% humidity can make it feel quite damp, adding to the autumnal atmosphere. For a detailed look at how September compares to other times of the year in this charming town, explore Bad Ischl Climate.