Last updated: February 26, 2025
Discover the charming September weather of Otterndorf, Germany, where temperatures showcase a delightful range from a maximum of 30°C (86°F) during warmer days to a cozy minimum of 4°C (40°F) at night. This month, the average temperature settles around a comfortable 15°C (59°F). With precipitation totaling 67 mm (2.6 in) over approximately 12 days, visitors can expect a mix of sunny spells and occasional showers. Moreover, the humidity remains high at 81%, adding to the rich, refreshing atmosphere of this quaint German town. Embrace the unique blend of warm afternoons and brisk evenings as you explore all that Otterndorf has to offer this September!
As September ushers in the start of autumn in Otterndorf, the temperatures reflect a gentle transition from the summer warmth. With a minimum of 4°C (40°F) and an average of 15°C (59°F), the month offers a comfortable reprieve from the heat of summer, peaking at a delightful 30°C (86°F). This trend of mild temperatures contrasts sharply with the winter chill that precedes it, indicating a gradual cooling as nature prepares for the colder months ahead. September is an ideal time to enjoy the lingering warmth before the dramatic dip in temperatures that October brings, making it a perfect month for outdoor activities amidst beautiful autumn foliage.
September in Otterndorf marks a notable transition in the precipitation pattern, with an average rainfall of 67 mm (2.6 in) over approximately 12 days. This amount is a dip from the wetter months of summer, notably after August’s peak of 85 mm (3.3 in), while still considerably higher than the drier spring months like April, which recorded only 47 mm (1.9 in). This slight decrease can be linked to the onset of autumn, setting the stage for October's significant uptick in rainfall, reaching 102 mm (4.0 in). As the year progresses, the trend of increased precipitation continues into the fall, indicating a clear seasonal shift in Otterndorf's climate.
In September, Otterndorf experiences a notable shift in humidity as it averages 81%, marking a slight uptick from the drier summer months of June and July, both hovering around 66%. This increase signals the onset of autumn, bringing a sense of freshness to the air as the warm summer days gradually give way to cooler temperatures. The trend of rising humidity continues into October, aligning with the seasonal transition, and foreshadowing the return of the higher humidity levels characteristic of winter months, which reach 90% in November and December. Overall, September serves as a pivotal point in Otterndorf’s yearly climatic rhythm, bridging the warm and humid summer with the more damp and cool fall season.
In September, the UV Index in Otterndorf, Germany, settles at 5, positioning it within the moderate exposure category. As summer fades, this marks a subtle decline from the peak values of July and August, when the UV Index was at 7. With a burn time of 30 minutes, it’s crucial to stay sun-smart even as the days become shorter. This trend reflects a gradual transition into the fall months, where UV exposure diminishes, yet caution is still advised, as the sunlight can still be intense on clear days. For ongoing updates and information, check Otterndorf UV Index.
UV Risk Categories
September in Otterndorf, Germany, brings a golden glimpse of lingering summer, showcasing 313 hours of sunshine. This month stands out as a bridge between the sun-drenched summer and the cooler autumn, with the sun shining a striking 80 hours less than in the peak of July. However, it remains a vibrant time, surpassing the dusk of October’s 243 hours as the days begin to wane. The steady decline from the peak in June and July signals the natural ebb of the season, yet September’s warmth invites residents and visitors alike to relish the outdoors one last time before the chill sets in. As the sunlight gradually recedes into the cooler months, each ray serves as a reminder of the beautiful summer just past, urging all to enjoy the brisk yet sunny days of early autumn.
As summer wanes and autumn approaches, September in Otterndorf, Germany, offers a moderate 29% chance of sunny weather. This figure reflects a slight decline from the peak of summer months, where sunshine chances hovered around 31-33%. While not the sunniest month on the calendar, September still holds its own, bettering the overcast days anticipated in the upcoming fall months of October and November. Overall, the trend highlights a gradual transition from the vibrant summer sun towards the cooler, cloudier days of autumn, making September a pleasant month for those seeking a balance of warm weather and picturesque autumnal scenery.
As summer gracefully wanes in September, Otterndorf, Germany, enjoys a cozy daylight duration of 12 hours. This month's sunlight marks a gentle decline from the vibrant 16 hours seen in July and August, weaving a tapestry of golden hues as autumn approaches. By this point in the year, the progression of daylight duration clearly reflects the changing seasons, beginning a downward trend that will see days shorten to 10 hours in October. The transition from the longer, sun-soaked days of summer to a more subdued autumn light invites residents and visitors alike to appreciate the beauty of the shifting landscape and the onset of cooler weather. With each passing day, the rhythm of nature signals a time for reflection and preparation for the coming chill of winter.
As September rolls in Otterndorf, Germany, a gentle change is felt in the air, reflected in the average wind speed of 3.4 m/s (8 mph). This marks a slight dip from the summer months, where the breeze typically lingered around 3.9 m/s in August and even breezier in previous months. Compared to the stronger gusts of early spring, which reached at least 4.1 m/s, September introduces a more moderate ambiance. As the year progresses into autumn, October promises to bring a resurgence in wind speed, hinting at the seasonal transition where each breeze whispers the anticipation of change.
The weather in Otterndorf 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 Otterndorf and find detailed weather information for every month.
In September, temperatures range from a minimum of 4°C (40°F) to a pleasant average of 15°C (59°F), peaking at 30°C (86°F) on warmer days. With 67 mm (2.6 in) of precipitation over approximately 12 days, the month experiences relatively high humidity at 81%. In contrast, January brings significantly cooler temperatures, with a minimum of -8°C (17°F) and an average of 4°C (39°F), capping at 13°C (55°F). Although January sees slightly more precipitation at 72 mm (2.8 in) over 13 days, the humidity rises to 91%, contributing to a much chillier feel. For more details on January conditions, check out Otterndorf weather in January.
September and February offer contrasting weather experiences. September typically features a mild temperature range, with lows around 4°C (40°F) and highs peaking at 30°C (86°F), making it a warm month with an average of 15°C (59°F). It also sees a relatively comfortable humidity level of 81% along with 67 mm (2.6 in) of precipitation over 12 days. In contrast, February showcases much colder conditions, with temperatures dropping to a minimum of -10°C (14°F) and averaging just 4°C (39°F) during the day. Despite having slightly less precipitation at 63 mm (2.5 in) spread over 11 days, February has higher humidity at 89%, creating a brisk and chillier atmosphere. For more detailed insights, check out Otterndorf weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a mild 4°C (40°F) at night to a warm average of 15°C (59°F) during the day, peaking at a maximum of 30°C (86°F). With 67 mm (2.6 in) of precipitation over 12 days, the humidity is relatively high at 81%. In contrast, March is characterized by chillier conditions, with nighttime lows hitting -10°C (13°F) and a daytime average of only 5°C (42°F), rising to a maximum of 19°C (66°F). Despite a similar level of precipitation at 69 mm (2.7 in) over 13 days and slightly higher humidity at 87%, March’s colder temperatures give it a noticeably different atmosphere. For more details on March weather, you can check Otterndorf weather in March.
When comparing September and April weather, it’s clear that both months experience transitions in temperature and precipitation. September typically offers warmer temperatures, with a minimum of 4°C (40°F) and an average of 15°C (59°F), peaking at 30°C (86°F). In contrast, April sees cooler conditions, starting with a minimum of -1°C (30°F) and averaging 9°C (48°F), with a maximum reaching 26°C (79°F).
In terms of precipitation, September receives slightly more with 67 mm (2.6 in) over about 12 days, while April has 47 mm (1.9 in) across 9 days. Humidity levels remain comparable, with September at 81% and April slightly higher at 82%. For a closer look at April weather specifics, you can check Otterndorf weather in April.
When comparing the weather in September and May, September tends to be warmer on average, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 30°C (86°F), while May shows a slightly cooler range from 0°C (33°F) to 31°C (88°F). Both months experience a similar amount of precipitation, with September receiving 67 mm (2.6 in) over 12 days and May receiving just a bit more at 70 mm (2.8 in) over 13 days. Humidity is notably higher in September at 81%, compared to May's more comfortable level of 73%. For more details, you can check Otterndorf weather in May.
In comparing the weather of September and June, we see some notable differences. September experiences a slightly wider range in temperature, with minimums dropping to 4°C (40°F) and maximums reaching up to 30°C (86°F), while June has a warmer profile with minimums at 5°C (41°F) and maximums peaking at 33°C (92°F). Precipitation is similar, with September receiving 67 mm (2.6 in) over 12 days, compared to June's 74 mm (2.9 in) over 11 days. Additionally, September exhibits higher humidity levels at 81%, while June's humidity is lower at 66%. For more specific details about the weather patterns in June, you can check this link: Otterndorf weather in June.
When comparing the weather in September and July, we see notable differences in temperature and humidity. September experiences a wider temperature range, with minimums dropping to 4°C (40°F), while July starts warmer with a minimum of 9°C (49°F). The average temperature in September is 15°C (59°F), compared to 18°C (64°F) in July, which tends to feel warmer overall. In terms of maximum temperatures, July peaks at 34°C (94°F), significantly higher than September’s maximum of 30°C (86°F). Precipitation is slightly higher in July, with 77 mm (3.0 in) over 14 days, compared to 67 mm (2.6 in) across 12 days in September. Additionally, September has a higher humidity level of 81% compared to July’s 66%. For more details, you can check Otterndorf weather in July.
In comparing the weather of September and August, September experiences a more moderate temperature range, with minimums dropping to 4°C (40°F) and maximums reaching up to 30°C (86°F), while August tends to be warmer overall, with minimums around 8°C (46°F) and maximums peaking at 34°C (94°F). The average temperature in September is 15°C (59°F), noticeably cooler than August's average of 18°C (65°F). Additionally, September sees slightly less precipitation at 67 mm (2.6 in) compared to August's 85 mm (3.3 in), though rainfall occurs on more days in September (12 days) versus August (15 days). Humidity levels are also higher in September at 81%, compared to 67% in August. For a detailed look at August weather, check out Otterndorf weather in August.
September and October display notable differences in weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 30°C (86°F), with an average of 15°C (59°F), complemented by a lower precipitation total of 67 mm (2.6 in) over 12 days. In contrast, October sees a drop in average temperatures to 12°C (53°F), with a higher minimum of -1°C (30°F) and a maximum of 26°C (79°F). This month also experiences increased rainfall, totaling 102 mm (4.0 in) over 17 days, alongside a slight rise in humidity to 86%. For a closer look at the specifics, check out Otterndorf weather in October.
In September, the weather tends to be warm and mild, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 30°C (86°F) and an average of 15°C (59°F). The month sees about 67 mm (2.6 in) of precipitation spread over 12 days, with humidity levels around 81%. In contrast, November brings significantly cooler temperatures, with a minimum of -2°C (28°F), an average of 7°C (45°F), and a maximum of 19°C (66°F). Although November experiences only slightly less precipitation at 63 mm (2.5 in) over 13 days, the humidity rises to 90%. For more details on November weather, visit Otterndorf weather in November.
September and December in Otterndorf present contrasting weather patterns. In September, temperatures range from a mild 4°C (40°F) at night to a warm 30°C (86°F) during the day, with an average of 15°C (59°F). The month sees about 67 mm (2.6 in) of precipitation over 12 days, and humidity levels are moderate at 81%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -9°C (15°F) and peaking at just 12°C (54°F), averaging 5°C (40°F). Precipitation increases slightly to 78 mm (3.1 in) over 15 days, accompanied by higher humidity, reaching 90%. For more details, check out Otterndorf weather in December.
As September rolls in, Otterndorf transforms into a delightful blend of warmth and crispness, offering a refreshing contrast to the sultry summer months. With a cozy average temperature of 15°C (59°F), the early autumn air is invigorating, while occasional peaks reaching 30°C (86°F) remind us of summer's lingering embrace. However, this month also brings a splash of rain, as 12 days of precipitation contribute to a lush landscape. The humidity hovers around 81%, creating a slightly muggy atmosphere that adds to the season's charm. As the days gradually shorten and the leaves begin to change, September in Otterndorf invites you to enjoy a gorgeous transition into autumn. For more details on weather patterns, visit Otterndorf Climate.