Last updated: February 26, 2025
Experience the charming September weather in Koblenz, Germany, where temperatures can reach a delightful maximum of 31°C (88°F), while the average settles around a comfortable 15°C (59°F). As autumn begins to unveil its beauty, nights can be cool, with temperatures dipping to a minimum of 3°C (37°F). This month sees an average precipitation of 47 mm (1.8 in) over 7 days, contributing to the lush surroundings that Koblenz is known for. With humidity levels at 81%, the air is fresh yet invigorating, making it the perfect backdrop for exploring the city's rich history and stunning landscapes.
September in Koblenz, Germany, marks a delightful transition from the sweltering summer months to the cooler embrace of autumn. With minimum temperatures around 3°C (37°F) and an average of 15°C (59°F), the month presents a comfortable climate for outdoor activities. Daytime highs can still reach up to 31°C (88°F), allowing for lingering sunlit afternoons, but as the season progresses, the crispness of fall becomes evident. This gradual shift not only brings a cozy ambiance but also brighter colors to the landscape, making September a beautiful time to explore the rich history and scenic beauty of Koblenz. The weather serves as a reminder to enjoy the last of the warmth before the chill of October sets in, inviting both locals and visitors to relish in this picturesque month.
In September, Koblenz experiences a mild dip in rainfall, with a total precipitation of 47 mm (1.8 in) over just 7 days, marking it as one of the drier months of the year. This month’s rainfall significantly contrasts with the summer months, which often see higher totals, such as 72 mm (2.8 in) in June and 67 mm (2.6 in) in July. September's precipitation not only highlights a gradual transition toward the wetter autumn months but also reflects a marked decrease in rainy days compared to previous months, creating a brief respite before the surge of October’s 55 mm (2.2 in). The overall trend suggests that as summer fades, Koblenz enjoys a brief period of less frequent showers, inviting residents and visitors alike to savor the early autumn ambiance.
As summer fades into autumn, Koblenz experiences a noticeable shift in humidity levels. In September, the humidity rises to 81%, marking a transition from the warmer, drier summer months of July and August, where levels dipped to 72% and 71%, respectively. This slight increase hints at the approaching chill of fall, reminiscent of the higher humidity levels seen earlier in the year, such as January's peak at 91% and February's 90%. The progression through the year illustrates a rhythmic oscillation, with humidity gradually climbing back up toward winter's embrace, creating a refreshing contrast to the drier summer atmosphere.
In September, Koblenz experiences a moderate UV Index of 5, indicating a balanced phase as summer begins to fade. With a burn time of 30 minutes, this month marks a transition from the high levels seen in the peak summer months of June and July, where the Index reached a striking 8. While the UV exposure is still significant, it provides a more comfortable environment for outdoor activities compared to the intense rays of summer. As the season shifts, it's essential to remain mindful of sun protection, especially with autumn approaching. For more detailed insights, visit Koblenz UV Index.
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As summer fades, September in Koblenz still boasts a generous 320 hours of sunshine, illuminating the city with a warm, golden glow. While the days grow shorter, the sunlight remains abundant compared to the chill of autumn months ahead, like October with just 235 hours. This gradual decline in sunshine hours reflects a broader trend, as Koblenz transitions from a sun-kissed July, with its peak at 411 hours, through the lush blooms of May and into September. The city's vibrant energy lingers, encapsulated in the lingering warmth of early fall, before the shorter, cloudier days of winter set in. Embrace the September sunshine, a perfect time to explore the enchanting sights of Koblenz while basking in the last remnants of summer.
In Koblenz, Germany, September ushers in a noteworthy shift in weather patterns, boasting a 39% chance of sunny days. This marks a significant elevation from the summer months, where sunlight is scattered at around 30-32%. As the year transitions from the warmth of August, the likelihood of sunshine in September reflects a fleeting autumn optimism, suggesting that while the days are getting shorter, there's still a substantial opportunity for clear blue skies. However, this month's sunshine probability is still lower than the early spring peak in March and April, highlighting a subtle retreat towards autumn as the year progresses. Overall, September in Koblenz offers a delicate balance—nestled between summer's end and autumn's onset, it presents one of the year's more promising chances for pleasant weather.
As summer fades into autumn, September in Koblenz, Germany offers a gentle transition in daylight, with 12 hours of sunlight gracing the city. This mark represents a slight decline from the sun-drenched days of June and July, which boasted up to 16 hours, epitomizing the apex of summer brightness. However, September remains a lovely month, still brighter than the early months of the year, such as January and February, when daylight barely reaches 8 to 10 hours. As the days gradually shorten, the warmth of late summer lingers, making September a delightful time to enjoy the changing colors of nature before the darker months set in.
As September rolls into Koblenz, Germany, the gentle embrace of autumn is felt in the air, heralded by the average wind speed dipping to 2.1 m/s (5 mph). This transition marks a significant shift, as it is the calmest month in a year that has seen more blustery spring and summer winds, with speeds peaking at 3.6 m/s (8 mph) in May. Following the summer's moderate breeziness, September brings a serene stillness, inviting leisurely strolls along the picturesque Rhine. As the month progresses, the winds whisper of change, setting the stage for the brisker autumn gusts that will soon sweep through the region, contrasting with the mellow summer breezes and reflecting the ever-changing rhythm of nature.
The weather in Koblenz 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 Koblenz and find detailed weather information for every month.
September and January display stark contrasts in weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm 31°C (88°F) during the day, with an average of 15°C (59°F). This month experiences around 47 mm (1.8 in) of precipitation over approximately 7 days, accompanied by a relatively high humidity of 81%. In contrast, January is much colder, with temperatures dipping to a minimum of -10°C (15°F) and peaking at just 12°C (54°F), averaging a mere 2°C (36°F). Rainfall increases to 60 mm (2.4 in), spread over 12 days, and the humidity reaches 91%, creating a much more frigid and damp atmosphere. For a deeper understanding, you can explore Koblenz weather in January.
September and February present contrasting weather patterns. In September, temperatures generally range from a mild 15°C (59°F) on average, peaking at 31°C (88°F) while experiencing lower humidity at 81%. Despite being a relatively dry month with around 47 mm (1.8 in) of precipitation over approximately 7 days, the weather still allows for enjoyable outdoor activities. Conversely, February brings much colder conditions, where average temperatures dip to 3°C (39°F) and lows reach -11°C (12°F). This month also experiences higher humidity levels at 90%, and precipitation increases slightly to 55 mm (2.2 in) over about 12 days, leading to a noticeably wetter atmosphere. For more details on the February climate, you can check Koblenz weather in February.
In comparing the weather of September and March, one can notice distinct differences in temperature and precipitation. September boasts a wider temperature range with a minimum of 3°C (37°F) and a maximum of 31°C (88°F), averaging 15°C (59°F). In contrast, March has colder temperatures, with a minimum of -12°C (11°F) and a maximum of 22°C (72°F), averaging only 6°C (43°F). Although September experiences less precipitation at 47 mm (1.8 in), it also has fewer rainy days (7 days) compared to March's 65 mm (2.6 in) over 14 rainy days. Additionally, humidity levels are slightly higher in March at 87%, compared to 81% in September. For more detailed information, check out this link: Koblenz weather in March.
When comparing the weather of September and April, notable differences emerge. September tends to be warmer, with average temperatures ranging from a chilly minimum of 3°C (37°F) to a pleasant maximum of 31°C (88°F). In contrast, April starts off colder, with temperatures dipping to a minimum of -3°C (26°F) but can reach up to 26°C (79°F). Both months experience a moderate amount of rainfall, with September receiving 47 mm over 7 days and April slightly less at 37 mm over 8 days. Humidity levels are relatively high in both months, with September at 81% and April at 84%. For a closer look at what to expect specifically in Koblenz, you can check out Koblenz weather in April.
When comparing the weather in September to that of May, we see notable differences in temperature and precipitation patterns. September enjoys a higher average temperature of 15°C (59°F) compared to May's cooler average of 13°C (56°F). However, May can dip to lower minimum temperatures, reaching as low as -1°C (31°F), while September's minimum sits at a milder 3°C (37°F). Precipitation is more frequent in May, with rainfall occurring on 12 days and totaling 66 mm (2.6 in), while September experiences 7 days of rain, accumulating 47 mm (1.8 in). Humidity levels are slightly higher in September at 81%, compared to May's 77%. For more detailed information on May weather, you can check Koblenz weather in May.
When comparing the weather in September and June, we see notable differences in temperature and precipitation patterns. September experiences a wider range of temperatures, with a minimum of 3°C (37°F), an average of 15°C (59°F), and a maximum of 31°C (88°F). In contrast, June typically has milder conditions, ranging from a minimum of 7°C (45°F) to a maximum of 33°C (92°F) and an average of 18°C (65°F). Precipitation is also more pronounced in June, with an average of 72 mm (2.8 in) over 11 days compared to September's 47 mm (1.8 in) over 7 days. Additionally, September tends to have higher humidity at 81%, while June's humidity is slightly lower at 74%. For more detailed information, you can visit Koblenz weather in June.
When comparing the weather in July and September, we see notable differences in temperature and precipitation patterns. July tends to be warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 37°C (100°F), while September experiences cooler temperatures, with lows around 3°C (37°F) and highs reaching 31°C (88°F). Despite July's higher average temperature of 19°C (66°F), it also sees more precipitation, accumulating 67 mm (2.6 in) over about 10 days, compared to September's 47 mm (1.8 in) over 7 days. Humidity levels are higher in September, averaging 81%, versus July's 72%. For more detailed information on July's weather, you can check out Koblenz weather in July.
In comparing the weather between August and September, September tends to be cooler overall, with average temperatures dropping from 19°C (66°F) in August to 15°C (59°F). The maximum temperature in September reaches 31°C (88°F), slightly lower than August’s peak of 34°C (93°F). Precipitation also varies, with September experiencing 47 mm (1.8 in) over 7 days compared to August’s 62 mm (2.5 in) over 12 days, indicating both months have rain but September is less rainy. Additionally, September has a higher humidity level at 81%, compared to 71% in August, which could affect comfort levels. For a detailed look at August weather patterns, check Koblenz weather in August.
September presents a warmer climate with temperatures ranging from a cool 3°C (37°F) at night to a high of 31°C (88°F) during the day, averaging around 15°C (59°F). The month sees about 47 mm (1.8 in) of precipitation over approximately 7 days, with humidity levels at 81%. In contrast, October brings a notable decrease in temperature, starting at 0°C (32°F) at night and peaking at 24°C (76°F), with an average of 11°C (52°F). Precipitation increases slightly to 55 mm (2.2 in) over about 12 days, and humidity rises to 88%, making the air feel more damp. For a detailed look at weather patterns, check out Koblenz weather in October.
September and November display contrasting weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm peak of 31°C (88°F) during the day, with an average of 15°C (59°F). The month sees relatively moderate precipitation of 47 mm (1.8 in) over about 7 days, accompanied by a humidity level of 81%. In stark contrast, November ushers in cooler conditions, with minimum temperatures dropping to -3°C (27°F) and an average of just 6°C (42°F), while the maximum reaches 19°C (67°F). This month features similar precipitation levels at 46 mm (1.8 in), but it occurs over 10 days, contributing to a higher humidity of 91%. For more detailed insights, you can check Koblenz weather in November.
In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 31°C (88°F), averaging around 15°C (59°F). With only 47 mm (1.8 in) of precipitation over approximately 7 days, it feels relatively comfortable, although the humidity is high at 81%. In contrast, December brings a notable shift, with temperatures dropping significantly; the minimum can reach -6°C (22°F), peaking at 14°C (57°F) and averaging only 4°C (39°F). The month is wetter as well, experiencing 89 mm (3.5 in) of precipitation over 17 days, and the humidity rises slightly to 92%. For those interested in more details about winter conditions, you can explore Koblenz weather in December.
As September unfolds in Koblenz, the weather presents a unique transition from the warm summer months to the cooler autumn days. With temperatures peaking at a delightful 31°C (88°F), it provides ample opportunities to enjoy the outdoors. However, the month also witnesses a dip in temperatures, averaging 15°C (59°F) and occasionally dropping to as low as 3°C (37°F), signaling the approach of fall. The air is often humid at 81%, contributing to a sense of chill during the evenings. Rainfall is moderate, adding to the lushness of the scenery, with about 47 mm falling over approximately 7 days. This blend of warmth and cooler days makes September a captivating month to experience the evolving beauty of Koblenz. For more insights, visit Koblenz Climate.