September Weather in Schwechat, Austria

Last updated: February 26, 2025

In September, Schwechat, Austria showcases a delightful range of weather, with maximum temperatures reaching up to 32°C (90°F) and an average temperature of 17°C (63°F). The crispness of early autumn is felt with minimum temperatures dipping to 2°C (36°F). Throughout the month, residents and visitors can expect 78 mm (3.1 in) of rain spread across 9 days, contributing to a humidity level of 75% that enhances the vibrant, lush landscapes. Whether it's warm sunny days or refreshing rainfall, September in Schwechat invites exploration and appreciation of its natural beauty.

September Temperature in Schwechat

September in Schwechat, Austria marks a delightful transition into autumn, with temperatures dipping from the summer heat while still offering pleasant days. The month typically sees a minimum temperature of around 2°C (36°F), providing a crisp start to the days, while the average climbs to a comfortable 17°C (63°F). Peak temperatures can reach a refreshing 32°C (90°F), reminiscent of summer's lingering warmth. This trend reflects a gradual cooling from the sweltering highs of August, making September an ideal time for outdoor activities amidst the beginning of fall's vibrant colors. As the month progresses, the contrast between daytime warmth and cooler evenings becomes more pronounced, inviting cozy sweaters and evening strolls.

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

The chart illustrates September temperature patterns in Schwechat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343843526070717262544437
Data source: Temperature data for Schwechat 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 Schwechat

September in Schwechat, Austria, sees a noteworthy amount of precipitation, measuring 78 mm (3.1 in) over 9 days. This significant rainfall reflects a transition into the autumn season, providing a sense of closure to the summer months. Interestingly, the precipitation during September is only slightly less than that of the previous month, August, which recorded 75 mm (3.0 in), suggesting a continuation of the wetter patterns seen in the late summer. When compared to the earlier months, September's rainfall is quite substantial, aligning more closely with the higher totals observed in May (80 mm) and June (67 mm). This trend indicates that while the sizzling summer heat may fade, September maintains a healthy capacity for rain, contributing to the lush landscapes that characterize Austria's fall season.

September Precipitation Trends in Schwechat

The chart displays monthly precipitation patterns in Schwechat, 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.
JanFebMarAprMayJunJulAugSepOctNovDec363235368167697578474757
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Schwechat

As summer fades into autumn, September in Schwechat, Austria brings a noticeable shift in humidity levels, settling at 75%. This marks a gradual decline from the summer months, where humidity hovered around 76%, suggesting a transition to a drier climate. The trend is clear: as we move from the peak of summer towards winter, humidity begins its climb back up, with future months, including October and November, expected to experience significantly higher levels at 85% and 90%, respectively. This seasonal ebb and flow highlights Schwechat's characteristic weather patterns, where crisp autumn days lie ahead, offering a brief respite before the onset of winter's humidity surge.

September Average Humidity in Schwechat

This chart illustrates the average monthly humidity levels in Schwechat, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%78%74%77%76%76%75%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Schwechat

As September unfolds in Schwechat, Austria, the UV Index stands at 6, categorizing it as high. This marks a slight decline from the peak summer months of July and August, where the UV Index reached 8. However, the burn time remains critical at 25 minutes, prompting sunseekers to take necessary precautions. The gradual tapering of UV intensity signals the transition towards autumn, yet the sun's rays can still pose a risk, reminding us to stay vigilant. As the seasons shift, knowledge about UV exposure becomes essential—learn more at Schwechat UV Index.

Maximum UV Index Levels in Schwechat for September

The chart shows the monthly maximum UV Index (UVI) for Schwechat 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.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Schwechat 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 Schwechat

As the summer sun begins to wane, September in Schwechat, Austria, offers a delightful blend of warmth and light. With 316 hours of sunshine, this month showcases a notable dip from the heights of July's 427 hours, yet remains vibrant compared to the cooler months that follow. The gradual decline in sunshine hours from the summer peak reflects the changing seasons, while still allowing residents and visitors to savor the pleasant early autumn days. With a rich tapestry of sunlit afternoons and mild evenings, September acts as a gentle transition, inviting reflection on the summer’s warmth as it gracefully steps toward the cozy embrace of fall.

Monthly Sunshine Duration in Schwechat: September Highlighted

The September sunshine duration represents the total number of hours Schwechat 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.
JanFebMarAprMayJunJulAugSepOctNovDec149h223h300h339h377h412h427h384h316h274h192h174h
Data source: Schwechat September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Schwechat During September

In Schwechat, Austria, the likelihood of sunny weather in September stands at a favorable 50%, making it one of the more promising months for sunshine. As summer fades, the sun's presence often remains strong, reflecting a notable trend from the peak summer months of June and July, which boast chances of 55% and 47% respectively. While July shows the highest probability for sunshine, September offers a smooth transition with its 50% chance, reminiscent of the sun's playful dance throughout the summer. This steady likelihood suggests a beautiful blend of summer's lingering warmth and the crisp beginnings of autumn, making it a delightful time for outdoor activities.

Percentage of Sunny Days in September in Schwechat

The chart illustrates the percentage of sunny days in Schwechat 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 Schwechat experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%35%54%38%35%55%47%40%51%50%32%22%
Data source: Schwechat September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Schwechat in September

As summer fades into autumn, September in Schwechat, Austria showcases a significant shift in daylight duration, with the sun gracing the sky for about 12 hours each day. This month marks a notable decline from the long, sun-drenched days of summer, where June, July, and August bask in a generous 15 hours of light. As the days gradually shorten, we see daylight decreasing consistently from the vibrant 15 hours of May, heading towards the more modest 10 hours by October. This trend highlights the natural transition towards winter, as each month delicately balances the lingering warmth of summer with the cool embrace of fall, inviting residents and visitors alike to savor the last golden rays of daylight before the darker months set in.

Average Daylight Hours in Schwechat for September

The chart illustrates the variation in daylight duration in Schwechat throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 50m10h 13m11h 55m13h 41m15h 12m15h 58m15h 34m14h 12m12h 31m10h 46m9h 13m8h 24m
Data source: Schwechat daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Schwechat

As September rolls into Schwechat, Austria, the breeze begins to soften, with an average wind speed of 2.8 m/s (6 mph). This drop marks a notable shift from the brisker winds of summer, which peaked at 4.3 m/s (10 mph) in May. The transition into autumn is palpable, as the winds gently taper off, reflecting a trend of gradually diminishing speeds as the year progresses toward its cooler months. Interestingly, October sees a mild resurgence with an average of 3.9 m/s (9 mph), hinting at a playful dance between the lingering warmth of summer and the encroaching chill of winter. This subtle fluctuation invites locals and visitors alike to enjoy the tranquil, breezy days of early autumn, where the whispers of the wind carry the promise of seasonal change.

Average September Wind Speed in Schwechat

The chart displays monthly wind speed patterns in Schwechat, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.33.34.14.33.23.43.02.8 m/s3.93.73.8
Data source: Schwechat September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Schwechat Compares to Other Months

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

September and January weather present a striking contrast. In September, temperatures range from a cool minimum of 2°C (36°F) to a warm average of 17°C (63°F), peaking at a hot 32°C (90°F). This month experiences a moderate level of precipitation, with around 78 mm (3.1 in) falling over approximately 9 days, accompanied by a humidity level of 75%. In contrast, January is much colder, with temperatures plummeting to a minimum of -11°C (13°F) and averaging only 1°C (34°F), while the maximum reaches a mild 16°C (61°F). The month sees less precipitation, totaling 36 mm (1.4 in) over 10 days, and a higher humidity level of 90%. For more detailed insights into January weather, you can visit Schwechat weather in January.

September and February present markedly different weather experiences. In September, temperatures range from a minimum of 2°C (36°F) to a warm maximum of 32°C (90°F), with an average of 17°C (63°F). This month sees about 78 mm (3.1 in) of precipitation over 9 days, contributing to a humidity level of 75%. In stark contrast, February features a colder climate, with temperatures dropping to a minimum of -11°C (12°F) and an average of just 3°C (38°F), peaking at 18°C (66°F). Precipitation decreases significantly to 32 mm (1.2 in) across 8 days, coupled with higher humidity at 87%. To explore more about the February climate in detail, visit Schwechat weather in February.

September and March present contrasting weather conditions. In September, temperatures range from a cool 2°C (36°F) at night to a warm 32°C (90°F) during the day, with an average of 17°C (63°F). The month sees a decent amount of rainfall, totaling 78 mm (3.1 in) over about 9 days, coupled with a humidity level of 75%.

In contrast, March is marked by cooler temperatures, with nightly lows dipping to -13°C (9°F) and daytime highs reaching 22°C (73°F), averaging around 6°C (43°F). This month experiences significantly less precipitation at 35 mm (1.4 in), also spread over 9 days, but with slightly higher humidity at 85%. For a more detailed look at the weather in March, visit Schwechat weather in March.

In comparing the weather between September and April, it's clear that both months exhibit a range of temperatures and precipitation patterns. September boasts warmer average temperatures, with a minimum of 2°C (36°F) and a maximum reaching up to 32°C (90°F), while April starts cooler, with a minimum of -5°C (24°F) and an average high of 28°C (83°F). Precipitation in September is higher at 78 mm (3.1 in) over 9 days, compared to April’s 36 mm (1.4 in) over 7 days, suggesting that September tends to be wetter. Interestingly, humidity levels are similar, with September at 75% and April slightly higher at 78%. For more detailed insights on April weather, you can visit Schwechat weather in April.

September and May both experience similar maximum temperatures, reaching up to 32°C (90°F) and 32°C (89°F), respectively. However, September typically showcases slightly higher average temperatures at 17°C (63°F), compared to May's average of 15°C (60°F). Precipitation levels are relatively comparable, with September receiving around 78 mm (3.1 in) over 9 days and May recording 80 mm (3.2 in) over a longer span of 15 days. Humidity levels are also quite close, with September at 75% and May slightly lower at 73%. Overall, September tends to feel warmer and drier on average, whereas May is characterized by more rainy days. For more details, see Schwechat weather in May.

When comparing the weather in September and June, we see notable differences in temperature and precipitation. September features a wider temperature range, with minimums dipping to 2°C (36°F) and maximums reaching up to 32°C (90°F), averaging around 17°C (63°F). In contrast, June starts with milder temperatures, where the minimum is 8°C (47°F), averaging 21°C (70°F) and peaking at 35°C (94°F). Additionally, September experiences slightly more precipitation, with 78 mm (3.1 in) over 9 days, compared to June’s 67 mm (2.6 in) over 10 days. Humidity levels are comparable, with September at 75% and June at 77%. For a deeper insight into June weather specifically, you can check out Schwechat weather in June.

When comparing the weather of September to that of July, notable differences emerge. September exhibits a wider temperature range, with minimums dropping to 2°C (36°F) and maximums reaching 32°C (90°F), whereas July maintains milder lows of 9°C (48°F) and highs up to 37°C (99°F). Additionally, September experiences slightly more rainfall, totaling 78 mm (3.1 in) over 9 days, in contrast to July's 69 mm (2.7 in) over 12 days. Humidity levels are relatively similar, with September at 75% and July at 76%. For more detailed insights into July weather, you can check out Schwechat weather in July.

September's weather shows a notable shift as temperatures drop compared to August; the minimum temperature in September is a cool 2°C (36°F), while August starts at a much warmer 10°C (50°F). The average temperature in September is also lower at 17°C (63°F), compared to 22°C (72°F) in August. Additionally, September experiences slightly more precipitation at 78 mm (3.1 in) over 9 days, compared to August's 75 mm (3.0 in) over 11 days, while humidity remains comparable with September at 75% and August at 76%. For a more detailed look at the weather, check Schwechat weather in August.

In September, temperatures range from a brisk minimum of 2°C (36°F) to a warm maximum of 32°C (90°F), providing an average of 17°C (63°F). The month sees a fair amount of rain, with a total precipitation of 78 mm (3.1 in) over 9 days, and humidity levels at 75%. In contrast, October brings cooler temperatures with a minimum of 0°C (32°F) and a maximum of 25°C (77°F), resulting in a lower average of 12°C (54°F). Precipitation decreases to 47 mm (1.9 in) over 8 days, yet humidity rises to 85%. For further details, you can visit Schwechat weather in October.

In comparing the weather between September and November, there is a noticeable transition in temperatures and conditions. September boasts a warm temperature range with a minimum of 2°C (36°F) and a maximum of 32°C (90°F), while November sees much colder temperatures, with a minimum of -6°C (22°F) and a maximum of 19°C (67°F). Additionally, September experiences higher average temperatures at 17°C (63°F), contrasted with November’s average of only 7°C (44°F). Precipitation is slightly less in November at 47 mm (1.9 in) compared to September's 78 mm (3.1 in), yet both months see an equal number of rainy days—9. Moreover, November's humidity rises to 90%, making it feel considerably damp compared to September’s 75%. For more detailed insights on November weather, you can check out Schwechat weather in November.

September and December present stark contrasts in weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 32°C (90°F) during the day, with an average of 17°C (63°F). This month also features relatively high humidity at 75% and experiences around 78 mm (3.1 in) of precipitation over about 9 days. In contrast, December is much colder, with temperatures dipping to a minimum of -6°C (21°F) and peaking at just 13°C (57°F), averaging around 3°C (37°F). Although December sees less precipitation at 57 mm (2.2 in), it is spread over more days—12 in total—accompanied by higher humidity levels at 91%. For more details on December weather, check Schwechat weather in December.

Compare Schwechat's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Schwechat

As the arrival of September graces Schwechat, the weather marks a delightful transition from the heat of summer to the crispness of autumn. With temperatures averaging around a comfortable 17°C, the warmth of early September can still see maxima reaching up to 32°C, offering a brief encore of summer. However, the cool nights with lows around 2°C remind us that fall is on the horizon. While precipitation levels are modest, with around nine rainy days, the air remains notably humid at 75%, creating a vibrant atmosphere perfect for enjoying the changing leaves and cooler breezes. For those curious about the yearly variations and more detailed insights, be sure to explore Schwechat Climate.