September Weather in Salzburg, Austria

Last updated: February 26, 2025

In September, Salzburg experiences a vivid transition as summer's warmth slowly gives way to the crispness of autumn. The maximum temperature reaches a pleasant 27°C (81°F), while the average settles around 13°C (56°F), inviting visitors to enjoy the city's stunning landscapes. However, the month can be quite variable, with a minimum dip to -2°C (28°F) on cooler nights. Rainfall is a significant factor, with 156 mm (6.2 in) of precipitation spread over 15 days, contributing to the lush scenery that Salzburg is renowned for. The humidity sits at 74%, making the air feel rich and invigorating, perfect for exploring the charm of this picturesque Austrian city.

September Temperature in Salzburg

As September unfolds in Salzburg, the air cools down from the summer heat, with temperatures showcasing a delightful transition. The month begins with nighttime lows around -2°C (28°F), just cool enough to hint at autumn's arrival, while daytime highs reach a pleasant 27°C (81°F). With an average temperature of 13°C (56°F), September strikes a balance, allowing for both warm, sunny days perfect for exploring the city and crisp evenings that invite cozy gatherings. This month notably bridges the warm summer vibes with the early hints of fall, making it an enchanting time to experience Salzburg’s stunning landscapes and rich culture.

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

The chart illustrates September temperature patterns in Salzburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec283337465363636355483831
Data source: Temperature data for Salzburg 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 Salzburg

September in Salzburg experiences a notable shift in precipitation patterns, with an average rainfall of 156 mm (6.2 in) over approximately 15 days. This amount reflects a contrast to the summer months, where July and August saw heavier rainfalls of 230 mm (9.1 in) and 208 mm (8.2 in), respectively. The onset of autumn brings a drop in precipitation compared to the lushness of late summer, but September still holds its own, contributing to the region's vibrant foliage. This month typically marks a transitional phase, with lingering moisture setting the stage for the more varied and unpredictable weather that the cooler months will soon bring. Overall, September’s rain plays a crucial role in maintaining Salzburg's lush landscapes as it gracefully shifts from summer warmth to autumn chill.

September Precipitation Trends in Salzburg

The chart displays monthly precipitation patterns in Salzburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec13511212510321618623020815614086165
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Salzburg

As September arrives in Salzburg, the humidity settles at 74%, reflecting a gradual transition from the more humid summer months. This slight uptick from August’s 68% indicates a lingering warmth, yet it remains significantly lower than the peak levels experienced in the colder months. The data showcases a clear trend: humidity levels tend to decrease as summer fades, only to surge again with the onset of fall and winter. As October approaches, residents can expect a rise to 88%, reminding them of the wetter conditions that characterize the season. This ebb and flow of humidity not only shapes the region’s weather patterns but also creates a unique atmosphere in Salzburg’s enchanting landscapes.

September Average Humidity in Salzburg

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

As summer transitions into autumn, September in Salzburg experiences a noticeable shift in UV exposure. With a UV Index of 6, categorized as high, residents and visitors should be mindful of their sun exposure, as the burn time decreases to 25 minutes. This month's UV levels mark a decline from the peak summer months, yet they remain significant enough to warrant protection. As the days grow shorter and cooler, it’s important to stay vigilant against harmful rays, ensuring safe outdoor enjoyment. For more detailed information, check out Salzburg UV Index.

Maximum UV Index Levels in Salzburg for September

The chart shows the monthly maximum UV Index (UVI) for Salzburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec236789986432
Data source: Salzburg 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 Salzburg

As the summer warmth begins to wane, September in Salzburg still shines brightly, boasting an impressive 298 hours of sunshine. This radiant month showcases a gradual transition from the sun-drenched peak of July, which enjoys a generous 397 hours, to the more subdued days of autumn in October with 273 hours. September acts as a delightful bridge, retaining a wealth of daylight while hinting at the cooler days to come. The sunlight's presence is comforting, weaving through the early hints of fall and inviting residents and visitors alike to soak in the picturesque surroundings of this charming Austrian city before winter's embrace takes hold.

Monthly Sunshine Duration in Salzburg: September Highlighted

The September sunshine duration represents the total number of hours Salzburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec161h233h292h335h342h379h397h358h298h273h222h184h
Data source: Salzburg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Salzburg During September

In September, Salzburg's weather offers a notable boost in sunny days, with a 48% chance of sunshine, making it one of the sunniest months of the year. This is a significant increase from the summer months, where the chances of sunlight hovered around the low thirties, reflecting a seasonal shift as autumn approaches. Interestingly, September stands out compared to earlier months like May and June, which exhibit probabilities in the mid-twenties to high thirties. As temperatures gradually cool, this improved likelihood for clear skies provides the perfect opportunity to explore Salzburg's stunning landscapes and vibrant culture. Overall, if you're looking for a pleasant blend of warmth and sunshine in early autumn, September is a promising choice in Salzburg.

Percentage of Sunny Days in September in Salzburg

The chart illustrates the percentage of sunny days in Salzburg 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 Salzburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%45%41%39%26%39%34%31%48%38%32%23%
Data source: Salzburg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Salzburg in September

As summer gracefully fades into autumn, September in Salzburg offers a pleasant transition with approximately 12 hours of daylight. This month marks the beginning of a gradual decrease in daylight, as it follows the peak summer months of June and July, which boast a robust 15 hours. After enjoying long sunny days in May and June, the daylight starts to dwindle, dropping to 14 hours in August and continuing down to 10 hours by October. September's 12 hours strikes a delightful balance, allowing residents and visitors to relish the tail end of summer while preparing for the cozy, shorter days of fall. The evolving patterns of daylight throughout the year paint a beautiful picture of Salzburg’s seasonal shifts, making each month uniquely captivating.

Average Daylight Hours in Salzburg for September

The chart illustrates the variation in daylight duration in Salzburg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 54m10h 14m11h 55m13h 39m15h 8m15h 54m15h 30m14h 10m12h 31m10h 48m9h 16m8h 28m
Data source: Salzburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Salzburg

As summer gently transitions into autumn, September in Salzburg greets visitors with a subtle whisper in the air, marked by an average wind speed of 1.5 m/s (3 mph). This slight breeze, consistent with the calms of August, hints at a serene shift in the season as the landscapes begin to don their fall colors. Following a trend of gradually decreasing wind speeds from June through September, the month offers a tranquil respite before stronger gusts return in October. This gentle ambiance invites leisurely strolls through Salzburg's enchanting streets, allowing one to savor the beauty of early autumn comforts.

Average September Wind Speed in Salzburg

The chart displays monthly wind speed patterns in Salzburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.81.81.91.91.61.51.51.5 m/s1.71.51.7
Data source: Salzburg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Salzburg Compares to Other Months

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

September and January in Salzburg present stark contrasts in weather. September boasts a mild average temperature of 13°C (56°F), with highs reaching up to 27°C (81°F), while January experiences much colder conditions, averaging -2°C (28°F) and peaking at just 10°C (51°F). Precipitation is abundant in both months, with September receiving 156 mm (6.2 in) across 15 days, compared to January's 135 mm (5.3 in) over 13 days. Additionally, January tends to be more humid at 91%, compared to September's 74%. For more insights into January weather, you can check Salzburg weather in January.

September and February present distinctly different weather conditions. In September, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 27°C (81°F), with an average of 13°C (56°F). The month sees considerable rainfall, with 156 mm (6.2 in) of precipitation over 15 days and a humidity level of 74%. In contrast, February is much colder, with temperatures dipping as low as -19°C (-2°F) and peaking at 16°C (61°F), averaging around 0°C (33°F). Precipitation is also less frequent at 112 mm (4.4 in) across 14 days, combined with higher humidity at 87%. For those curious to learn more about the winter climate, visit Salzburg weather in February.

September and March present contrasting weather patterns in Salzburg. September boasts a milder average temperature of 13°C (56°F) with maximums reaching 27°C (81°F), making it a pleasant transition into autumn. In contrast, March is significantly colder, with average temperatures of just 3°C (38°F) and minimums plummeting to -18°C (0°F). While September experiences relatively high precipitation levels at 156 mm (6.2 in) over 15 days, March sees slightly lower totals at 125 mm (4.9 in) across 17 days, accompanied by increased humidity at 82%. For more details, check out Salzburg weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation levels. September offers a wider temperature range, with minimums around -2°C (28°F) and maximums reaching up to 27°C (81°F), resulting in a pleasant average of 13°C (56°F). In contrast, April experiences cooler conditions, with minimums dropping to -9°C (16°F) and an average of 8°C (46°F), despite a maximum temperature of 25°C (77°F). Precipitation is more frequent in September, occurring over 15 days and totaling 156 mm (6.2 in), while April sees slightly less, with 103 mm (4.0 in) over 13 days. Humidity levels are also similar, with September at 74% and April slightly higher at 79%. For a detailed overview, you can refer to Salzburg weather in April.

September and May present distinct weather patterns, each with its own unique characteristics. In September, temperatures range from a minimum of -2°C (28°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F). The month sees a total precipitation of 156 mm (6.2 in) spread over 15 days, accompanied by a humidity level of 74%. In contrast, May features a slightly cooler temperature profile, with a minimum of -7°C (20°F) and a maximum reaching 28°C (83°F), averaging 11°C (53°F). However, May experiences more precipitation at 216 mm (8.5 in) across 22 rainy days, maintaining the same humidity level of 74%. For a more detailed look at weather conditions, you can check out Salzburg weather in May.

In comparing the weather between September and June, we see notable differences in temperature and precipitation patterns. September experiences a wider range of temperatures, with minima as low as -2°C (28°F) and maxima peaking at 27°C (81°F), averaging around 13°C (56°F). In contrast, June starts off warmer with a minimum of 3°C (37°F) and maximum temperatures reaching 32°C (90°F), resulting in a comfortable average of 17°C (63°F). When it comes to precipitation, September sees about 156 mm (6.2 in) over 15 days, while June has slightly higher precipitation at 186 mm (7.3 in) spread over 17 days. Both months show similar humidity levels, hovering around 74% for September and 75% for June. For more detailed information about June weather specifically, visit Salzburg weather in June.

In comparing the weather of September and July, notable differences emerge. September typically experiences a minimum temperature of -2°C (28°F) and averages around 13°C (56°F), peaking at a comfortable 27°C (81°F). On the other hand, July is warmer with a minimum temperature of 7°C (45°F), an average of 17°C (63°F), and a maximum of 33°C (92°F). Precipitation is also more prevalent in July, with 230 mm (9.1 in) over 20 days, compared to September's 156 mm (6.2 in) across 15 days. Both months share a humidity level of 74%, but July's warmth and additional rainfall create a distinctly different feel. For more details, check Salzburg weather in July.

When comparing the weather in September and August, it becomes evident that September experiences cooler temperatures overall, with a minimum temperature of -2°C (28°F) and an average of 13°C (56°F), while August is notably warmer, with temperatures ranging from a minimum of 5°C (41°F) to an average of 17°C (64°F). The maximum temperature in August reaches up to 33°C (92°F), compared to a maximum of 27°C (81°F) in September. Additionally, while September sees a significant amount of rainfall at 156 mm (6.2 in) over 15 days, August records higher precipitation at 208 mm (8.2 in) over 18 days. Interestingly, September has a higher humidity level of 74%, compared to 68% in August. For more details, you can check Salzburg weather in August.

In September, temperatures in Salzburg range from a minimum of -2°C (28°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F). The month experiences significant precipitation, with 156 mm (6.2 in) over 15 days, and a humidity level of 74%. In contrast, October sees a cooler average temperature of 9°C (48°F), with highs reaching 22°C (73°F) and lows remaining at -2°C (29°F). Precipitation slightly decreases to 140 mm (5.5 in) over 14 days, accompanied by an increase in humidity to 88%. For more detailed insights into the weather, check out Salzburg weather in October.

When comparing the weather in September and November, it is evident that November experiences colder temperatures and higher humidity. September boasts a wider temperature range, with a minimum of -2°C (28°F) and a maximum of 27°C (81°F), resulting in a comfortable average of 13°C (56°F). In contrast, November’s temperatures drop significantly, featuring a minimum of -10°C (14°F) and an average of only 3°C (39°F), with a maximum of 18°C (65°F). While September sees more precipitation (156 mm over 15 days) than November (86 mm over 10 days), the humidity level rises in November to 90%, compared to September's 74%. For more detailed information on the weather in November, you can visit Salzburg weather in November.

September and December in Salzburg showcase contrasting weather patterns. In September, temperatures range from a minimum of -2°C (28°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F), allowing for a mild transition into fall. Humidity sits at a moderate 74%, and while there are 15 days of precipitation totaling 156 mm (6.2 in), the weather often remains pleasant for outdoor activities.

In stark contrast, December presents a much colder climate, with temperatures dropping to a minimum of -15°C (6°F) and averaging around 0°C (31°F). The maximum temperature reaches only 13°C (55°F). This month sees even higher humidity levels at 89% and experiences more precipitation over 18 days, totaling 165 mm (6.5 in), making it a wet and chilly time of year. For more details on December weather specifics, you can refer to Salzburg weather in December.

Compare Salzburg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Salzburg

September in Salzburg marks a transition from the warm summer days to the crispness of autumn. With a maximum temperature reaching a comfortable 27°C (81°F), this month offers pleasant weather ideal for outdoor exploration. However, as the month progresses, temperatures dip, and cooler evenings showcase the changing season, averaging around 13°C (56°F) and occasionally plunging to a minimum of -2°C (28°F). Alongside increased humidity at 74% and a notable amount of rain, totaling 156 mm over 15 days, September serves as a reminder of nature’s shifting patterns. For more insights into how Salzburg's September compares to the rest of the year, explore the full details at Salzburg Climate.