Last updated: February 26, 2025
September in Hamburg, Germany showcases a delightful transition as summer wanes and autumn approaches. With temperature highs reaching a warm 31°C (88°F) and an average sitting at a comfortable 15°C (59°F), residents and visitors alike can enjoy a mix of warm days and cooler evenings. However, the month also brings its share of rain, totaling 51 mm (2.0 in) over approximately 10 days, contributing to a relative humidity of 81%. As the city adjusts to changing seasons, September offers a refreshing blend of weather that's perfect for exploring Hamburg's vibrant culture and stunning landscapes.
September in Hamburg marks a transitional phase as summer fades into autumn. With temperatures ranging from a minimum of 2°C (36°F) to a comfortable maximum of 31°C (88°F), the city often enjoys mild and pleasant days. The average temperature reaches around 15°C (59°F), offering a delightful balance that invites outdoor exploration. As the month progresses, there’s a noticeable cool down compared to the sweltering heat of August, with its peak maximum also at 35°C (96°F). This gradual shift encourages both residents and visitors to relish the late summer sun while preparing for the crispness of fall, making September a beautiful time to experience Hamburg’s evolving scenery and vibrant culture.
In September, Hamburg experiences a moderate drop in precipitation, with 51 mm (2.0 in) of rain spread over approximately 10 days. This marks a welcome decrease from the heavier rainfall of the summer months, particularly July and August, which see notably higher averages of 83 mm (3.3 in) and 73 mm (2.9 in), respectively. As autumn approaches, the city transitions to a cooler climate, yet the consistent rainfall throughout the month keeps the landscape lush. Interestingly, this trend of decreasing rainfall volumes continues into October, where totals rise slightly to 76 mm (3.0 in), indicating the onset of the wetter season ahead. Overall, September serves as a bridge, blending the remnants of summer rain with the early whispers of fall.
In September, Hamburg experiences a moderate humidity level of 81%, marking a slight increase from the drier summer months of June and July, which both recorded 66% humidity. As the city transitions into autumn, humidity begins to rise again, echoing patterns observed in the preceding months of the year. This increase is reminiscent of the earlier spring months, where humidity began at a higher 87% in March and gradually dwindled throughout the summer. Notably, as the days shorten and temperatures drop in October, it’s expected that the humidity will once again climb, aligning closely with the typical wetter months of late autumn in Germany. Such shifts paint a vivid picture of Hamburg's dynamic climate, where moisture levels ebb and flow with the changing seasons.
As summer transitions into autumn, the UV Index in Hamburg shows a noticeable shift in September, settling at 5, which falls into the moderate category. This marks a decrease from the peak values of 7 observed in the preceding months of July and August, when sun exposure was classified as high. With a burn time of 30 minutes, September encourages outdoor enjoyment while still requiring a bit of caution. It’s a great time for leisurely strolls in the city's parks, but don't forget to apply sunscreen! This month’s index reflects a gradual decline in UV intensity, suggesting a welcomed respite from the more intense summer rays. For more detailed insights, check out Hamburg UV Index.
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September marks a transition in Hamburg, Germany, as the summer fades and autumn begins to take hold. With 308 hours of sunshine, it’s a month that still basks in the warmth of sunny days, though noticeably less than the peak 411 hours seen in July. While the light begins to wane compared to the summer months like June and August, the sun-drenched days of September invite locals and visitors alike to enjoy the city's parks and waterfronts. This gradual decline in sunshine is a prelude to the much gloomier months ahead, with October dropping to 245 hours and November dwindling even further. However, September’s inviting glow provides a perfect backdrop for leisurely strolls and festive harvest activities, reminding everyone to savor the last rays of summer.
In September, Hamburg experiences a 27% chance of sunny weather, aligning closely with the previous month's likelihood. Observing the trends throughout the year, it's clear that spring and early summer show more promising weather, with higher chances of sunshine peaking in April at 40%. However, as the seasons shift toward autumn, the likelihood of sunshine tends to stabilize, reflecting the transition from warmer to cooler months. This means that while September may not boast the brightest days, it still offers a fair chance for sun-soaked moments amid the encroaching chill. As a pivotal month marking the end of summer and the beginning of fall, September in Hamburg balances the warmth of lingering sunny days with the crispness of autumn air, inviting both exploration and reflection.
As summer fades into autumn in Hamburg, September offers a delightful transition with approximately 12 hours of daylight. Following the peak brightness of 16 hours in June and July, the city begins to experience a gradual reduction in sunlight. This month marks a shift from the vibrant, sunlit days of summer to the cozy, shorter days of fall, inviting residents and visitors to revel in the changing colors of nature. The daylight duration in September, while less than summer’s bounty, remains significantly longer than the meager hours of winter, hinting at the beauty and charm that the upcoming season holds. As daylight dims, the city prepares for autumn's rich tapestry of events and experiences, making every hour of sunlight feel special.
As September rolls into Hamburg, the city experiences a gentle shift in its autumn climate, marked by an average wind speed of 3.1 m/s (7 mph). This month brings a subtle decrease in wind intensity compared to the highs of summer, where breezes averaged around 3.6 m/s (8 mph) in August. The diminishing winds signal a transition, paving the way for the robust gusts of October, which see an increase to 4.1 m/s (9 mph). Interestingly, July also recorded a modest wind speed of 3.1 m/s, suggesting that September’s breezy demeanor often mirrors the mid-summer calm. As the season changes, these shifts in wind patterns create a soothing atmosphere, reflecting the tranquil yet dynamic essence of Hamburg in early fall.
The weather in Hamburg 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 Hamburg and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, temperatures are milder, with a minimum of 2°C (36°F) and an average of 15°C (59°F), reaching a maximum of 31°C (88°F). Despite the pleasant warmth, it experiences around 51 mm (2.0 in) of precipitation over about 10 days, with humidity at a relatively high 81%. Conversely, January is much colder, featuring a minimum temperature of -10°C (14°F) and an average of just 3°C (38°F), peaking at 13°C (56°F). This month tends to be wetter, with approximately 62 mm (2.4 in) of precipitation over 11 days, accompanied by even higher humidity levels of 91%. For a detailed look at the cold month, you can visit Hamburg weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly 2°C (36°F) at night to a warm average of 15°C (59°F) and peak at a balmy 31°C (88°F) during the day. This month experiences 51 mm (2.0 in) of precipitation over approximately 10 days, with humidity levels sitting at 81%. Conversely, February brings much colder conditions, with nighttime temperatures dropping to a frigid -13°C (9°F) and an average of just 3°C (38°F), peaking at 18°C (65°F). Precipitation is slightly higher at 55 mm (2.2 in) over 11 days, and humidity increases to 89%. For a more detailed look at February weather, check out Hamburg weather in February.
September and March present distinctly different weather patterns. In September, temperatures typically range from a mild 2°C (36°F) to a warm 31°C (88°F), with an average of 15°C (59°F), while March sees cooler conditions, with temperatures fluctuating between a brisk -15°C (6°F) and a more temperate 20°C (69°F), averaging around 5°C (42°F). While September experiences 51 mm (2.0 in) of precipitation over about 10 days, March averages slightly more at 63 mm (2.5 in) across 12 days. Furthermore, humidity levels are higher in March at 87%, compared to 81% in September. For more details, visit Hamburg weather in March.
September and April depict two contrasting yet transitional periods in climate. In September, temperatures range from a cooler 2°C (36°F) at night to a warm 31°C (88°F) during the day, with an average temperature of 15°C (59°F). The month experiences about 51 mm (2.0 in) of precipitation over approximately 10 days, and humidity levels hover around 81%. In contrast, April starts off chillier, with minimum temperatures dipping to -3°C (27°F), an average of 9°C (48°F), and highs reaching 27°C (80°F). It sees slightly less rainfall at 45 mm (1.8 in) but maintains a similar pattern of precipitation over 10 days, with humidity slightly higher at 82%. For a detailed look at April weather patterns, you can refer to Hamburg weather in April.
In comparing the weather of September and May, September tends to be warmer overall, with average temperatures reaching 15°C (59°F) compared to May’s slightly cooler average of 13°C (56°F). Both months can experience maximum temperatures of 31°C (88°F), but September features a higher minimum temperature of 2°C (36°F), whereas May has a lower minimum at -1°C (31°F). Precipitation levels are also notable, with September receiving 51 mm (2.0 in) over about 10 days, while May sees a bit more rain at 70 mm (2.8 in) across 13 days. Additionally, September experiences higher humidity at 81%, compared to May’s 73%. For more details on May's weather, you can check Hamburg weather in May.
In comparing the weather of September and June, we see distinct differences in temperature and humidity. September generally experiences a wider temperature range, with minimums dropping to 2°C (36°F) and maximums reaching up to 31°C (88°F), averaging around 15°C (59°F). In contrast, June has a warmer average of 18°C (65°F) with minimum temperatures at 7°C (44°F) and maximums peaking at 33°C (92°F). When it comes to precipitation, September has slightly less rainfall at 51 mm (2.0 in) over about 10 days, while June sees more rain at 70 mm (2.7 in) spread across 11 days. Additionally, September tends to be more humid, with a humidity level of 81% compared to June's 66%. For more specifics about how the weather in June unfolds, check out Hamburg weather in June.
In September, the weather experiences a notable shift compared to July. While the minimum temperature in September drops to 2°C (36°F) with an average of 15°C (59°F), July sees a warmer minimum of 7°C (45°F) and a higher average of 18°C (65°F). The maximum temperatures also reflect this trend, peaking at 31°C (88°F) in September, compared to a hotter 35°C (96°F) in July. Additionally, September is slightly wetter with 51 mm (2.0 in) of precipitation over 10 days, while July experiences higher rainfall at 83 mm (3.3 in) over 12 days. Humidity in September is also higher at 81%, compared to July's 66%. For a more detailed look at the July weather, you can visit Hamburg weather in July.
In comparing the weather conditions between September and August, it's evident that September experiences a broader temperature range, with minimum temperatures dropping to 2°C (36°F) and maximums reaching 31°C (88°F), while August boasts warmer average temperatures from a minimum of 6°C (44°F) to a maximum of 35°C (96°F). The average temperature in September is 15°C (59°F), significantly cooler than August's average of 19°C (66°F). Additionally, September sees more precipitation over fewer days (51 mm across 10 days) compared to August's 73 mm across 14 days, indicating that August is generally wetter despite having fewer rainy days. Humidity levels are also higher in September at 81%, compared to 67% in August. For further insights on the climatic conditions, check out Hamburg weather in August.
September and October exhibit a noticeable shift in weather patterns. September boasts warmer temperatures with a minimum of 2°C (36°F), an average of 15°C (59°F), and a maximum of 31°C (88°F). This month experiences less precipitation, totaling 51 mm (2.0 in) over 10 days, with humidity at a moderate 81%. In contrast, October brings cooler conditions, featuring a minimum of -2°C (29°F), an average temperature of 11°C (53°F), and a maximum of 27°C (81°F). The month is wetter with 76 mm (3.0 in) of precipitation spread over 15 days and slightly higher humidity at 86%. For more details, you can check out Hamburg weather in October.
In September, the weather is noticeably warmer, with average temperatures around 15°C (59°F) and maximum highs reaching up to 31°C (88°F), creating a summery atmosphere. In contrast, November brings a significant drop in temperatures, with an average of 7°C (44°F) and nights dipping to -3°C (27°F). Both months experience similar levels of precipitation, approximately 51 mm (2.0 in), but November has slightly more rainy days, totaling 11 compared to September’s 10. Additionally, November's higher humidity at 90% contributes to a more damp and chilly environment. For more detailed information, you can visit Hamburg weather in November.
September and December exhibit stark contrasts in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 31°C (88°F), with an average temperature of 15°C (59°F). This month experiences 51 mm (2.0 in) of precipitation over about 10 days, with humidity levels at 81%. In contrast, December brings a colder climate, with temperatures ranging from a chilly minimum of -11°C (13°F) to a maximum of 12°C (54°F) and an average of 4°C (40°F). Precipitation increases to 69 mm (2.7 in) over 13 days, contributing to higher humidity levels around 90%. For more detailed information, check out Hamburg weather in December.
As summer transitions into autumn, September in Hamburg offers a unique blend of warm and cool days, with temperatures that can swing from inviting highs to chilly lows. Unlike the oppressive heat of midsummer, the month brings a refreshing average that perfectly balances warmth and comfort. While September does experience an uptick in precipitation, with occasional rainy days adding to the character of the month, the overall humidity remains high, creating a cozy atmosphere. This combination of moderate warmth and crisp air makes for an inviting time to explore the city’s vibrant culture and picturesque scenery. For a deeper dive into the city's changing climate throughout the year, check out Hamburg Climate.