September Weather in Sankt Goarshausen, Germany

Last updated: February 26, 2025

September in Sankt Goarshausen, Germany showcases a captivating blend of temperatures and weather patterns. The month sees a maximum temperature reaching a warm 31°C (88°F), while the average settles around a comfortable 15°C (59°F). Cooler days can dip to a minimum of 3°C (38°F), providing a refreshing contrast. Despite a moderate precipitation total of 49 mm (1.9 in) over approximately 7 days, the humidity remains elevated at 82%, adding a touch of moisture to the air. Overall, September presents a unique time to explore the natural beauty and charm of this picturesque German town.

September Temperature in Sankt Goarshausen

As September unfolds in Sankt Goarshausen, Germany, the temperatures begin to exhibit a delightful transition from the heat of summer to the coolness of autumn. With minimum temperatures settling around 3°C (38°F) and averages reaching 15°C (59°F), the month unfolds with a refreshing crispness. The maximum temperatures can still hit a comfortable 31°C (88°F), reminding us of the lingering summer warmth. This period marks a significant drop from the heights of July and August, yet offers a pleasant climate perfect for enjoying outdoor activities amidst stunning landscapes. The gradual cool down signals a beautiful shift, inviting locals and visitors alike to embrace the picturesque autumn scenery.

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

The chart illustrates September temperature patterns in Sankt Goarshausen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353842495564666658514238
Data source: Temperature data for Sankt Goarshausen 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 Goarshausen

In September, Sankt Goarshausen experiences a noticeable shift in precipitation patterns, with rainfall amounting to 49 mm (1.9 in) over just 7 days. This marks a decrease from the wetter months preceding it, as both June and August recorded over 65 mm of rain. The transition into Autumn is evident as the rainfall lessens, hinting at the impending dry spells of October and November. Despite the occasional drizzle, September remains relatively mild, contributing to a more invigorating atmosphere perfect for outdoor exploration, while still demonstrating the region's characteristic seasonal variability. The drying trend sets the stage for the cooler, crisper days ahead.

September Precipitation Trends in Sankt Goarshausen

The chart displays monthly precipitation patterns in Sankt Goarshausen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec645871387180696549574898
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sankt Goarshausen

In September, Sankt Goarshausen experiences a noticeable uptick in humidity, with levels rising to 82% compared to the drier summer months of July and June, which hover around 74%. This shift signals the transition from the warmth of summer to the cooler embrace of autumn. As the year progresses, humidity levels generally trend upward, reaching their peak during the winter months, where January and December boast scores of 92%. The gradual decline from the dreariness of mid-winter to the more temperate late spring highlights a distinct seasonal rhythm, with September marking a pivotal point where the air grows heavier, foreshadowing the intense moisture of fall and winter to come.

September Average Humidity in Sankt Goarshausen

This chart illustrates the average monthly humidity levels in Sankt Goarshausen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sankt Goarshausen

In September, Sankt Goarshausen witnesses a moderate UV Index of 5, indicating a continued reduction in sun intensity as summer transitions to autumn. This month's exposure category suggests that while outdoor activities are still enjoyable, precautions are advisable, especially with a burn time of 30 minutes. Compared to the peak of August, when the UV Index reached 7, it's clear that the most intense sun exposure is behind us. As we look back at the earlier months, the pattern shifts from low levels in the winter to a notable high in mid-summer, reflecting the seasonal change in sun strength. To stay informed about UV trends throughout the year, visit Sankt Goarshausen UV Index for more details.

Maximum UV Index Levels in Sankt Goarshausen for September

The chart shows the monthly maximum UV Index (UVI) for Sankt Goarshausen 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.
JanFebMarAprMayJunJulAugSepOctNovDec234578875421
Data source: Sankt Goarshausen 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 Goarshausen

September in Sankt Goarshausen, Germany, offers a delightful continuation of the summer's warmth, with 320 hours of sunshine illuminating the landscape. This month sees a gradual decline in sunlight as the days grow shorter, following the peak brightness of July at 411 hours. With September's hours still significantly above the chilly winter months, it provides a pleasant transition from the vibrant summer. The sunlight begins to wane, echoing the gradual shift towards autumn, yet it maintains a charming glow that invites exploration and appreciation of the town's scenic beauty. As the year progresses, the contrast between the sun-drenched summer months and the dim, cool winter serves as a reminder of nature's rhythmic cycles.

Monthly Sunshine Duration in Sankt Goarshausen: September Highlighted

The September sunshine duration represents the total number of hours Sankt Goarshausen 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.
JanFebMarAprMayJunJulAugSepOctNovDec104h197h265h344h391h396h411h384h320h235h168h114h
Data source: Sankt Goarshausen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sankt Goarshausen During September

As summer transitions into autumn, the likelihood of sunny weather in September in Sankt Goarshausen, Germany presents a charming opportunity for outdoor activities, boasting a 39% chance of sunshine. This figure marks a slight uptick from the preceding months of July (32%) and August (30%), hinting at a warm farewell to the summer season. Notably, September's sun chances outshine the cooler months ahead, such as October (25%) and November (17%). Overall, while September may not guarantee sun-soaked days, it offers a delightful interlude of warmth before the dreariness of winter sets in.

Percentage of Sunny Days in September in Sankt Goarshausen

The chart illustrates the percentage of sunny days in Sankt Goarshausen 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 Goarshausen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%31%42%43%29%31%32%30%39%25%17%12%
Data source: Sankt Goarshausen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sankt Goarshausen in September

As September unfolds in Sankt Goarshausen, Germany, daylight begins to wane, offering about 12 hours of sunlight each day. This marks a gradual transition from the longer days of summer, where June boasts a generous 16 hours of daylight, down to the shorter hours of autumn. By the time October arrives, daylight dips further to 10 hours, emphasizing the shifting seasons. The trend reflects nature’s rhythm, where vibrant summer days yield to cozy fall evenings, inviting residents to savor the softer autumn light and prepare for the impending chill of winter.

Average Daylight Hours in Sankt Goarshausen for September

The chart illustrates the variation in daylight duration in Sankt Goarshausen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 34m10h 4m11h 55m13h 49m15h 27m16h 19m15h 51m14h 23m12h 33m10h 40m8h 59m8h 6m
Data source: Sankt Goarshausen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sankt Goarshausen

As September settles in Sankt Goarshausen, Germany, the winds begin to soften, with an average speed of just 2.1 m/s (5 mph). This slight decline continues a notable trend from the summer months, where wind speeds have gradually decreased from 3.5 m/s (8 mph) in May to the gentle breezes of early autumn. Compared to the more blustery January, which boasts an average of 3.5 m/s (8 mph), September's calmness might invite leisurely strolls along the picturesque Rhine River. This peaceful transition not only heralds the start of fall but also suggests a period of quiet reflection and stunning foliage, as the landscape prepares for the seasonal shift ahead.

Average September Wind Speed in Sankt Goarshausen

The chart displays monthly wind speed patterns in Sankt Goarshausen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.33.22.83.52.32.52.82.1 m/s3.12.53.0
Data source: Sankt Goarshausen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sankt Goarshausen Compares to Other Months

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

September offers a warm transition from summer, with temperatures ranging from a cool 3°C (38°F) at night to a comfortable 31°C (88°F) during the day, alongside an average of 15°C (59°F). The month sees about 49 mm (1.9 in) of precipitation over approximately 7 days, at a humidity level of 82%. In stark contrast, January brings much colder weather, where temperatures can drop to a frigid -11°C (12°F), with daytime highs reaching only up to 12°C (53°F) and an average temperature of around 2°C (36°F). This winter month records higher precipitation at 64 mm (2.5 in) spread over 12 days, with humidity levels climbing to 92%. For a detailed look at January weather, visit Sankt Goarshausen weather in January.

In September, temperatures in Sankt Goarshausen range from a chilly 3°C (38°F) to a warm 31°C (88°F), with an average of 15°C (59°F). The month experiences about 49 mm (1.9 in) of precipitation over approximately 7 days, and humidity levels sit at 82%. In contrast, February presents a much colder climate, with temperatures dropping to a minimum of -12°C (11°F) and an average of just 3°C (38°F), peaking at 18°C (65°F). The month sees slightly higher precipitation at 58 mm (2.3 in) spread across 12 days, accompanied by even higher humidity at 90%. For more detailed information, visit Sankt Goarshausen weather in February.

September and March present contrasting weather patterns. In September, temperatures can range from a minimum of 3°C (38°F) to a warm average of 15°C (59°F), with highs peaking at 31°C (88°F), while the humidity sits at 82%. Precipitation is moderate, with about 49 mm (1.9 in) falling over approximately 7 days. In contrast, March features significantly colder weather, with temperatures dropping as low as -12°C (10°F) and averaging around 6°C (42°F), though it can reach a maximum of 22°C (71°F). Additionally, March experiences heavier rainfall, totaling 71 mm (2.8 in) over a greater number of days (14 days) and boasting a slightly higher humidity of 87%. For more detailed insights, you can check Sankt Goarshausen weather in March.

September and April present contrasting weather patterns, reflecting the shift from summer to autumn and from winter to spring, respectively. September enjoys a warmer overall average temperature of 15°C (59°F), with maximums reaching up to 31°C (88°F), whereas April's average is lower at 9°C (49°F), peaking at 26°C (79°F). Both months experience a degree of precipitation, with September receiving 49 mm (1.9 in) over 7 days and April slightly less at 38 mm (1.5 in) over 9 days. Despite their differences, both months have similar humidity levels, with September at 82% and April at 83%. For more detailed insights on the weather in April, you can explore Sankt Goarshausen weather in April.

In comparing the weather of September and May, both months exhibit a range of temperatures, but September tends to be warmer overall. In September, temperatures can drop to a minimum of 3°C (38°F) and reach an average of 15°C (59°F), with highs peaking at 31°C (88°F). In contrast, May starts at a lower minimum of 0°C (31°F) and has a slightly lower average of 13°C (55°F), but can also reach similar highs of 31°C (89°F). Precipitation in May is higher, totaling 71 mm (2.8 in) over 12 days, compared to September's 49 mm (1.9 in) over just 7 days. Additionally, humidity levels are slightly higher in September at 82%, while May sees a relatively lower 76%. For more details on the weather specifics in May, you can check out Sankt Goarshausen weather in May.

In comparing the weather of September and June, September typically offers a broader temperature range, with minimums dipping to around 3°C (38°F) and maximums reaching up to 31°C (88°F), averaging at 15°C (59°F). In contrast, June presents a milder minimum temperature of 7°C (44°F) and can peak at 33°C (91°F), averaging 18°C (65°F). Additionally, September experiences 49 mm (1.9 in) of precipitation over about 7 days, while June is wetter, with 80 mm (3.1 in) spread across 11 days. The humidity is slightly higher in September at 82%, compared to June’s 74%. For more specific details, you can refer to Sankt Goarshausen weather in June.

In September, the weather experiences a notable shift compared to July, with a wider range of temperatures from a low of 3°C (38°F) to a high of 31°C (88°F) and a comfortable average of 15°C (59°F), creating a transition into cooler conditions. In contrast, July boasts higher temperatures, ranging from a minimum of 7°C (46°F) to a maximum of 37°C (100°F), with an average of 19°C (66°F), making it the warmer month overall. Additionally, September sees an increase in humidity at 82% despite slightly lower precipitation levels at 49 mm (1.9 in) over about 7 days, compared to July's 69 mm (2.7 in) over 11 days. For more details on July weather, you can explore Sankt Goarshausen weather in July.

In comparing the weather of September and August, September shows a marked decline in both average and minimum temperatures, with averages dropping from 19°C (66°F) in August to 15°C (59°F) in September. While August experienced a higher maximum temperature of 34°C (93°F), September peaks at a more moderate 31°C (88°F). Additionally, precipitation increases in September with 49 mm (1.9 in) over 7 days, compared to 65 mm (2.6 in) spread over 13 days in August. Humidity also rises slightly in September to 82%, compared to 75% in August. For more specific details on August's weather, you can refer to Sankt Goarshausen weather in August.

In September, the weather offers a broad range of temperatures, with minimums around 3°C (38°F) and maximums reaching up to 31°C (88°F), resulting in an average temperature of 15°C (59°F). The month experiences relatively low precipitation at 49 mm (1.9 in) over about 7 days, with humidity levels sitting around 82%.

In contrast, October sees a notable drop in both temperature and overall warmth, with minimums plunging to 0°C (32°F) and an average of just 11°C (51°F), while maximum temperatures cap at 24°C (76°F). Precipitation slightly increases to 57 mm (2.2 in), spread over 12 days, and the humidity rises to 88%, creating a distinctly cooler and wetter atmosphere. For a more detailed look at October weather in Sankt Goarshausen, you can visit Sankt Goarshausen weather in October.

In September, the weather features a more moderate temperature range with a minimum of 3°C (38°F) and an average high reaching 31°C (88°F), making it feel quite warm during the day. In contrast, November brings cooler temperatures, with a minimum of -3°C (27°F) and an average high of 19°C (67°F), highlighting the seasonal transition. Both months experience similar precipitation levels, around 49 mm (1.9 in), but November sees rain on more days, totaling 11 rainy days compared to September's 7. Additionally, humidity levels rise slightly in November to 90%, compared to September's 82%. For a closer look at the November weather specifics, you can check Sankt Goarshausen weather in November.

September and December showcase a striking contrast in weather. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant average of 15°C (59°F), peaking at a warm 31°C (88°F). The month sees about 49 mm (1.9 in) of precipitation over 7 days, with a relatively lower humidity of 82%. In comparison, December is marked by a chilly atmosphere, with temperatures dipping to a minimum of -6°C (22°F) and an average of just 3°C (38°F), reaching a maximum of 13°C (56°F). Precipitation increases significantly to 98 mm (3.9 in) over 17 days, accompanied by a higher humidity of 92%. For more detailed insights, check out Sankt Goarshausen weather in December.

Compare Sankt Goarshausen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sankt Goarshausen

September in Sankt Goarshausen presents a unique transition from the warmth of summer to the coolness of autumn. While the temperatures can still reach pleasantly high peaks, they tend to average lower than the sweltering summer months, offering a comfortable reprieve for visitors. The increased likelihood of precipitation, with notable humidity levels, introduces a changing landscape, often adorned with the vibrant hues of fall foliage. This month stands out as a time when the bustling summer crowds begin to thin, allowing for a more serene exploration of the charming Rhine region. For a deeper dive into the yearly patterns, check out Sankt Goarshausen Climate.