Last updated: February 26, 2025
In Radolfzell, Germany, September showcases a delightful transition into autumn, where maximum temperatures can soar to 28°C (83°F), while the average rests at a comfortable 15°C (60°F). As the month progresses, cooler nights can dip to 3°C (38°F). Rainfall is not uncommon, with 82 mm (3.2 in) of precipitation recorded over 11 days, contributing to the region's lush landscapes. This time of year embraces a welcoming humidity level of 83%, adding to the refreshing atmosphere as summer's warmth gently yields to the crispness of fall.
In Radolfzell, Germany, September marks a delightful transition into autumn, characterized by a mild climate that's perfect for outdoor activities. The temperatures during this month feature a minimum of 3°C (38°F) and a comfortable average of 15°C (60°F), climbing to a pleasant maximum of 28°C (83°F). This slight drop from the summer heat allows for leisurely strolls and exploration of the scenic landscapes, making it an ideal time to enjoy the changing foliage. September’s weather showcases a harmonious blend of warmth and coolness, signaling the gradual shift towards the cooler months that follow, while still retaining memorable remnants of summer.
September in Radolfzell, Germany, brings a refreshing transition as summer wanes into autumn, marked by an average precipitation of 82 mm (3.2 in) across 11 days of rain. This moderate rainfall is slightly less than the preceding months, including the notably wetter August, which recorded 127 mm (5.0 in). Interestingly, while rainfall decreases in September, the trend of consistent precipitation continues from the vibrant summer months, suggesting that while temperatures cool, the region remains lush and vibrant. This pattern of diminishing rainfall hints at the dry spell that envelops October, indicating a shift towards the drier, cooler climate typical of the fall season. Overall, September serves as a gentle bridge between the two seasons, offering a blend of lingering warmth and the first whispers of autumn.
In Radolfzell, Germany, September experiences a humidity level of 83%, slightly higher than the preceding summer months, which are characterized by similar values around 80-83%. This moderate rise suggests a gradual transition into the wetter autumn months, where humidity starts to creep up, peaking again at 90% in October and December. The overall trend shows a return to the more humid conditions typical in winter, as January and February exhibit the highest humidity levels. This cyclical pattern highlights Radolfzell's distinct seasonal shifts, where comfortable summer days give way to the damp embrace of fall and winter.
In September, Radolfzell, Germany, experiences a moderate to high UV Index, with a reading of 6, indicating a need for increased sun protection during outdoor activities. As summer transitions into fall, the UV Index drops from the peak levels observed in July and August, yet it still maintains a significance that should not be overlooked. With a burn time of 25 minutes, residents and visitors are advised to be mindful of their sun exposure, particularly during midday hours. This shift from the very high levels seen in previous months emphasizes the importance of adapting sun safety practices as the seasons change. For more detailed information on UV levels throughout the year, you can visit Radolfzell UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Radolfzell, Germany, continues to bask in the warm embrace of sunshine, boasting 316 hours of bright daylight. This month shows a distinctive decrease from the peak summer months of July and August, which enjoyed over 400 hours of sunlight. However, compared to the earlier months of the year, such as January with only 147 hours, September stands out as a vibrant reminder of the lingering warmth before the chill of fall sets in. The consistent upward trend in sunlight from the dreary winter months culminates in a lively September, making it a delightful time for outdoor activities and enjoying the natural beauty of Radolfzell.
In Radolfzell, Germany, September offers a 43% chance of sunny weather, a promising uptick compared to the summer months which hover around 34% average sunshine. This trend indicates a potential extension of pleasant weather, as September sits nicely between the vibrant sunshine of summer and the cooler, gloomier days of autumn. Notably, this percentage mirrors the sunniest spring month, March, signaling a favorable transition for outdoor enthusiasts. As the days gradually shorten, September becomes a delightful window for enjoying the last warm rays of sunshine before the chill of October sets in, making it an ideal time for outdoor activities and scenic exploration.
In Radolfzell, Germany, the daylight duration begins to wane in September, offering about 12 hours of sunlight. This marks a gradual transition from the height of summer, where the sun graced the skies for up to 15 hours in May through July. As the warm days of summer begin to fade, September still retains a good amount of light, making it a delightful time for outdoor activities. As autumn sets in, the days continue to shorten, leading into October's 10 hours and November's 9 hours. This shift showcases the rhythmic dance of the seasons, inviting residents to embrace the vibrant colors of fall while preparing for the shorter, cozier days ahead.
As September arrives in Radolfzell, Germany, the gentle caress of the wind begins to fade, recording an average speed of 1.8 m/s (4 mph). This subtle decline marks the month as the calmest so far this year, contrasting sharply with the breezy mornings of spring and early summer, where average speeds peaked at 3.3 m/s (7 mph) in May. After a summer of mild breezes, the shift towards autumn is palpable, hinting at the settling atmospheric patterns that accompany cooler weather. October and November see a slight resurgence in wind speed, suggesting a delicate balance as nature transitions through the seasons. Overall, September's tranquil winds invite a serene close to the summer, a gentle transition into the rich hues of fall.
The weather in Radolfzell 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 Radolfzell and find detailed weather information for every month.
In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F) and an average of 15°C (60°F). The month experiences about 82 mm (3.2 in) of precipitation over 11 days, accompanied by relatively high humidity at 83%. In contrast, January presents a much colder climate, with temperatures dipping to a minimum of -12°C (12°F) and averaging just 1°C (34°F), reaching a maximum of 14°C (58°F). Precipitation is slightly higher at 85 mm (3.4 in) over the same number of days, and the humidity increases to 92%. For a detailed insight into the winter conditions, you can explore Radolfzell weather in January.
September and February showcase contrasting weather patterns. September typically features milder temperatures, with a minimum of 3°C (38°F) and an average high of 28°C (83°F), whereas February experiences cooler conditions, starting at a minimum of -11°C (13°F) and reaching a maximum of 18°C (64°F). While September sees more generous precipitation at 82 mm (3.2 in) over 11 days, February has slightly less at 68 mm (2.7 in) over 12 days. The humidity is also higher in February, peaking at 89%, compared to September's 83%. For more details on February weather, you can check Radolfzell weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 15°C (60°F), creating a generally mild and pleasant atmosphere. In contrast, March experiences colder temperatures, with a minimum of -12°C (11°F) and a maximum of 20°C (68°F), averaging around 6°C (42°F). Both months see significant precipitation, with September receiving 82 mm (3.2 in) over 11 days, while March has slightly less at 78 mm (3.1 in) over 15 days. Humidity levels are also higher in March at 87%, compared to 83% in September. For a closer look at the climate dynamics, you can check Radolfzell weather in March.
When comparing the weather in September and April, notable differences in temperature and precipitation come to light. September enjoys a milder climate with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), whereas April sees cooler temperatures, with a low of -3°C (26°F) and a high of 26°C (78°F). While September experiences slightly more precipitation at 82 mm (3.2 in) over 11 days, April has lighter rainfall of 58 mm (2.3 in) across 9 days. Humidity levels are fairly comparable, with September at 83% and April just a notch higher at 84%. For a more detailed look at the conditions, check out Radolfzell weather in April.
When comparing the weather between September and May, we observe some interesting differences and similarities. September enjoys a slightly warmer average of 15°C (60°F) with a maximum temperature reaching up to 28°C (83°F), while May has a lower average of 13°C (57°F) but can peak at 29°C (85°F). Precipitation is higher in May, totaling 115 mm (4.5 in) over 16 days compared to September’s 82 mm (3.2 in) over 11 days, suggesting that May tends to be wetter. Humidity levels are quite comparable, with September at 83% and May slightly lower at 80%. For more insights on the weather specific to May, you can check Radolfzell weather in May.
When comparing the weather in September and June, one can observe notable differences in temperature and precipitation. September tends to have milder temperatures, with a minimum of 3°C (38°F), an average of 15°C (60°F), and a maximum of 28°C (83°F). In contrast, June typically sees warmer conditions, with minimum temperatures around 8°C (47°F), an average of 19°C (66°F), and maximums reaching up to 34°C (93°F). Precipitation is also more pronounced in June, totaling 126 mm (5.0 in) over 14 days, compared to September’s 82 mm (3.2 in) and 11 rainy days. Humidity levels remain relatively similar, with September at 83% and June at 82%. For a detailed look at June weather specifically, check out Radolfzell weather in June.
When comparing the weather in September and July, notable differences emerge. September experiences a broader temperature range, with minima of 3°C (38°F) and maxima of 28°C (83°F), averaging 15°C (60°F). In contrast, July is generally warmer, with minimum temperatures around 10°C (50°F) and maximums soaring to 35°C (95°F), averaging 20°C (68°F). While both months have similar humidity levels of 83%, July tends to be wetter, recording 95 mm (3.7 in) of precipitation over 14 days compared to September's 82 mm (3.2 in) over 11 days. For more details, you can check Radolfzell weather in July.
In September, temperatures begin to cool down compared to August, with minimums dropping to 3°C (38°F) from 8°C (47°F) and an average of 15°C (60°F) versus August's 20°C (68°F). While September experiences a maximum of 28°C (83°F), August peaks at a warmer 34°C (93°F). Precipitation is higher in August at 127 mm (5.0 in) over 15 days, compared to September's 82 mm (3.2 in) across 11 days. Humidity remains slightly elevated in September at 83%, compared to August’s 80%. For more detailed insights, check Radolfzell weather in August.
September and October present notable contrasts in weather. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), averaging around 15°C (60°F). Despite the warmer afternoons, the month experiences significant rainfall, totaling 82 mm (3.2 in) over about 11 days, accompanied by a humidity level of 83%. In contrast, October sees a drop in temperatures, with a minimum of 1°C (34°F) and a maximum of 22°C (71°F), leading to an average of 11°C (51°F). Rainfall slightly increases to 90 mm (3.5 in) over 13 days, with humidity rising to 90%. For more specific details about the month in Radolfzell, you can check Radolfzell weather in October.
September and November showcase a notable transition in weather patterns. In September, temperatures range from a mild minimum of 3°C (38°F) to a pleasant maximum of 28°C (83°F), with an average of 15°C (60°F). The month experiences 82 mm (3.2 inches) of rainfall over 11 days, accompanied by a relatively high humidity level of 83%. In contrast, November sees cooler conditions, with temperatures dipping to a minimum of -2°C (29°F), averaging at 5°C (41°F) and reaching a maximum of 19°C (67°F). The precipitation decreases to 57 mm (2.2 inches), also over 11 days, while humidity rises slightly to 88%. For more details, check out Radolfzell weather in November.
The weather in September presents a warmer profile with average temperatures around 15°C (60°F) and maximums reaching up to 28°C (83°F), contrasted with December's colder temperatures, which average only 3°C (37°F) and peak at 13°C (56°F). While September experiences some rainfall, totaling 82 mm (3.2 in) over 11 days, December is wetter, with precipitation amounting to 109 mm (4.3 in) over a longer span of 18 days. Moreover, humidity levels rise from 83% in September to a notable 90% in December, adding to the chill of the winter season. For more detailed information, you can check Radolfzell weather in December.
As September unfolds in Radolfzell, the weather presents a unique transition from the warm summer months to the cooler autumn season. Although daytime temperatures can still reach a pleasant 28°C, the average dips significantly, inviting cooler evenings. With a humidity level of 83% and precipitation occurring on about one-third of the days, September often feels more humid and changeable compared to the preceding months. This blend of warmth and moisture creates a distinctly transitional atmosphere, making it a time for both lingering summer activities and the early embrace of autumn's charm. For a deeper understanding of what to expect throughout the year, explore Radolfzell Climate.