Last updated: February 26, 2025
September in Dahlem, Germany presents a delightful blend of mild temperatures and refreshing rainfall. With a maximum high reaching 31°C (88°F) and an average temperature around 15°C (59°F), the month offers warm days that gradually transition into cooler nights. A minimum low of 2°C (37°F) marks the onset of autumn chill. Total precipitation amounts to 52 mm (2.0 in) across approximately 9 days, contributing to an 82% humidity level that envelops the landscape in a crisp, invigorating atmosphere. Whether you're enjoying the warmth or witnessing the beauty of rain-soaked scenery, September in Dahlem is a month of transition and earthy charm.
September in Dahlem, Germany marks a delightful transition as summer wanes and autumn begins to weave its golden threads. With temperatures typically ranging from a crisp 2°C (37°F) at night to a pleasant 31°C (88°F) during the day, this month often showcases a remarkable blend of warm, sunny days and cooler evenings. The average temperature settles around 15°C (59°F), striking a perfect balance that invites outdoor exploration while hinting at the cooler days to come. Compared to the hotter summer months, September offers a refreshing respite, allowing residents and visitors alike to enjoy the vibrant scenery of early fall without the oppressive heat. As the leaves begin to turn, Dahlem's charm is accentuated by its mild September weather, making it an ideal time for leisurely strolls and embracing the natural beauty of this picturesque German locale.
In September, Dahlem experiences a moderate precipitation amount of 52 mm (2.0 in), which reflects a slight decrease compared to the wetter months of July and August. This month is characterized by around 9 days of rainfall, a notable shift from the preceding summer's higher frequency of rainy days. While the precipitation levels in September are lower than the peak summer months, they are complemented by a mild autumn atmosphere, setting the stage for the transition into the wetter October. Overall, September acts as a bridge in the yearly precipitation pattern, showcasing a gentle decline as the region moves into the cooler and wetter fall months ahead.
As autumn approaches in Dahlem, Germany, the humidity in September sees a noticeable uptick to 82%, a subtle rise from the drier summer months. This shift marks a transition back towards the higher humidity levels characteristic of the earlier months in the year, especially when compared to the 75% experienced in August. Overall, September serves as a bridge, transitioning from the warmth of summer to the cooler, more humid conditions of fall, where humidity levels will gradually climb again, peaking in the chill of winter months like December at 92%.
As September rolls into Dahlem, Germany, the UV Index drops to a moderate level of 5, a slight decline from the summer peak. With a burn time of 30 minutes, this month requires a balanced approach to sun exposure, striking a mix between enjoyment and caution. While the intensity of UV rays eases compared to the heights of June and July, when the index reached a very high of 8, it still demands attention, especially for those with fair skin. As the days grow shorter and cooler, sun seekers should remain mindful of their solar habits. For more insights into local UV levels throughout the year, check out Dahlem UV Index.
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As the summer fades, September in Dahlem, Germany, offers a delightful transition, with 306 hours of sunshine enriching the landscape. This month marks a notable decline from the peak of 404 hours in July, yet it still captures a significant portion of summer's warmth. Following the vibrant days of June and July, September serves as a gentle reminder of the sunny days that have passed, while also foreshadowing the cooler months ahead. The gradual decrease in sunlight from August's 380 hours reflects a shift in seasons, making September a perfect balance of lingering warmth and the first hints of autumn. As the golden hues begin to grace the leaves, this month remains a treasured time for outdoor activities and embracing the last rays of summer.
In Dahlem, Germany, the likelihood of sunny weather in September hovers around 28%, which aligns closely with the trend observed from the preceding summer months. Notably, sunshine chances begin to dip slightly after the sunnier allure of late summer, with August reaching a peak of 30%. This gradual decline suggests that while September still offers some opportunities for pleasant, sunny days, residents and visitors should be prepared for the potential of overcast skies as autumn approaches. Interestingly, September's percentage is on par with the averages of May and July, indicating a relatively mild shift rather than an abrupt change in weather patterns.
As summer fades into autumn in Dahlem, Germany, the daylight hours begin their gradual decline in September, offering 12 hours of sunshine—a pleasant transition from the elongated days of summer. The month serves as a gentle reminder of the shifting seasons, following the peak light of July and August, which each basked in an impressive 16 hours. As daylight wanes into October's 10 hours, September stands out with its balanced light, inviting residents to embrace the beauty of early autumn. This subtle decrease prepares the way for cozy evenings ahead, reflecting a rhythmic ebb and flow that characterizes the seasonal cycle.
In September, Dahlem experiences a gentle breeze with an average wind speed of 3.0 m/s (7 mph), signaling a transition from the warmer summer months. This slight decrease from the previous months reflects the gradual cooling of the season. The winds remain relatively consistent, as seen throughout the year, but now they whisper a hint of autumn, paving the way for the stronger gusts anticipated in October, when speeds increase to 3.9 m/s (9 mph). Overall, September's calm winds evoke a serene atmosphere, inviting residents and visitors to embrace the early signs of fall while enjoying the lingering warmth of late summer.
The weather in Dahlem 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 Dahlem and find detailed weather information for every month.
September and January present a stark contrast in weather conditions. In September, temperatures can range from a mild 15°C (59°F) on average with highs reaching up to 31°C (88°F), while January experiences much colder conditions, with average temperatures around 3°C (38°F) and a maximum of only 14°C (57°F). The humidity is relatively high in both months, peaking at 82% in September and rising to 91% in January. Precipitation is slightly more frequent in January, occurring over 12 days with a total of 57 mm (2.2 in), compared to September's 52 mm (2.0 in) over 9 days. For more detailed information, check the weather statistics here: Dahlem weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a refreshing 2°C (37°F) to a warm 31°C (88°F), with an average of 15°C (59°F), making it a perfect time for outdoor activities. The month experiences moderate precipitation of 52 mm (2.0 in) over about 9 days, with humidity hovering around 82%. Conversely, February is marked by much colder temperatures, with a minimum of -15°C (6°F) and a maximum of 18°C (65°F), averaging just 3°C (38°F). This winter month sees slightly lower precipitation at 46 mm (1.8 in) but has a higher humidity level of 89%, often contributing to a frosty atmosphere. For a detailed look at weather conditions during this chilly month, you can check out Dahlem weather in February.
When comparing the weather in September and March, notable differences emerge. September tends to be warmer, with average temperatures around 15°C (59°F) and highs reaching up to 31°C (88°F). In contrast, March has an average temperature of 5°C (42°F), with maximums only reaching 21°C (70°F), and a much lower minimum temperature of -15°C (4°F). Additionally, precipitation levels in March are slightly higher at 60 mm (2.4 in) over 13 days, compared to September's 52 mm (2.0 in) over 9 days, contributing to an increased humidity level of 87% in March versus 82% in September. For more detailed information, check out Dahlem weather in March.
When comparing the weather in September and April, we see distinct differences across various parameters. September boasts a warmer overall climate, with average temperatures reaching 15°C (59°F), peaking at a maximum of 31°C (88°F), while April averages lower at 9°C (48°F) with a maximum of 27°C (82°F). Precipitation is slightly higher in September at 52 mm (2.0 in) over 9 days compared to April's 41 mm (1.6 in) over 10 days. Humidity levels remain comparable, with September at 82% and April slightly higher at 83%. For more insights into April weather specifics, you can check out Dahlem weather in April.
In comparing the weather between September and May, both months experience mild to warm temperatures, with maximums reaching up to 31°C (88°F). However, September generally boasts a higher average temperature of 15°C (59°F) compared to May's 13°C (56°F). Despite this, May starts with cooler minimum temperatures, dipping as low as -1°C (31°F), while September's minimum is a milder 2°C (37°F). When it comes to precipitation, May sees a slightly higher amount at 64 mm (2.5 in) over 12 days, compared to September's 52 mm (2.0 in) over 9 days. Moreover, the humidity levels are relatively similar, with September being slightly more humid at 82% compared to May’s 78%. For more details on the weather in May, check out Dahlem weather in May.
When comparing the weather in September and June, it’s clear that June tends to be warmer overall. In June, temperatures range from a minimum of 6°C (43°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). In contrast, September features a broader range, with temperatures dropping to a minimum of 2°C (37°F) and peaking at 31°C (88°F), yet the average temperature stands at a cooler 15°C (59°F). Precipitation is slightly higher in June at 67 mm (2.6 in) compared to September’s 52 mm (2.0 in), though both months experience rain on about 9 days. Additionally, humidity levels are higher in September at 82%, while June maintains a more comfortable 77%. For more detailed weather conditions, you can check the Dahlem weather in June.
When comparing the weather in September and July, September tends to be milder with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 31°C (88°F), while July generally experiences warmer temperatures with a minimum of 8°C (46°F) and a maximum of 36°C (97°F). July receives more precipitation, averaging 88 mm (3.5 in) over 11 days, compared to September's 52 mm (2.0 in) over 9 days. Humidity levels are slightly higher in September at 82%, compared to 77% in July. For a more detailed look at the weather patterns, you can visit Dahlem weather in July.
When comparing the weather in September to that of August, it's evident that September experiences a broader temperature range, with minimums dipping to 2°C (37°F) compared to August's minimum of 7°C (45°F). The average temperature in September is 15°C (59°F), while in August, it is warmer at 19°C (66°F). Additionally, September has a maximum temperature of 31°C (88°F), which is notably lower than August's peak of 36°C (96°F). In terms of precipitation, September sees 52 mm (2.0 in) over 9 days, slightly less than August's 69 mm (2.7 in) over 12 days. Humidity levels are higher in September at 82%, compared to 75% in August. For a more detailed look at August weather patterns, you can visit Dahlem weather in August.
September and October exhibit notable differences in weather patterns. September tends to be warmer, with average temperatures reaching 15°C (59°F) and a maximum of 31°C (88°F), while October's average drops to 11°C (53°F), peaking at 27°C (81°F). Precipitation increases in October, totaling 65 mm (2.6 in) over 14 days compared to September's 52 mm (2.0 in) over 9 days. Additionally, October sees a slight rise in humidity, hitting 86% compared to September's 82%. For more detailed insights into October weather, visit Dahlem weather in October.
In September, temperatures range from a mild 2°C (37°F) at night to a warm 31°C (88°F) during the day, with an average of around 15°C (59°F). The month also sees some rain, with 52 mm (2.0 in) of precipitation over about 9 days and a relatively high humidity of 82%. In contrast, November experiences cooler temperatures, with lows dipping to -4°C (25°F) and a daily maximum of only 20°C (67°F), giving an average temperature of 7°C (44°F). Precipitation slightly decreases to 46 mm (1.8 in) over 11 days, and humidity rises to 89%. For more detailed information, you can check out this link: Dahlem weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a mild minimum of 2°C (37°F) to an average of 15°C (59°F), peaking at a warm 31°C (88°F). The month sees moderate rainfall, totaling 52 mm (2.0 in) over about 9 days, with humidity levels at 82%. In contrast, December experiences much colder temperatures, with a minimum plunging to -12°C (11°F) and an average of just 4°C (39°F), while the maximum reaches a cool 13°C (55°F). Precipitation increases slightly to 61 mm (2.4 in), spread across 14 days, and humidity rises to 92%. For a more detailed look at weather patterns, check Dahlem weather in December.
As September rolls in, Dahlem experiences a notable transition in weather compared to the preceding summer months. The temperatures start to cool, with pleasant averages around 15°C and the occasional peak reaching up to 31°C. This month marks the beginning of increased precipitation, with about 9 days of rain contributing to a cumulative total of 52 mm. Coupled with high humidity levels at 82%, September’s climate fosters a refreshing yet unpredictable atmosphere, making it a unique month in Dahlem's yearly cycle. For more insights into the seasonal trends, explore the full details in the Dahlem Climate resource.