September Weather in Luebeck, Germany

Last updated: February 26, 2025

September in Lübeck, Germany offers a captivating blend of weather experiences, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F). The month sees an average temperature of 15°C (59°F), providing a comfortable ambiance for both locals and visitors. Despite its relatively mild climate, September is also characterized by a notable humidity level of 82%, making the air feel a bit heavier. Rain is not uncommon, with approximately 50 mm (2.0 in) of precipitation spread over 9 days, reminding us to embrace the occasional shower as a refreshing part of the season.

September Temperature in Luebeck

In September, Lübeck experiences a delightful transition as summer gracefully yields to autumn. With temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), this month showcases a pleasing average of 15°C (59°F). The warmth lingers from the summer months, inviting residents and visitors alike to enjoy the city's picturesque sights. As the days gradually shorten, the crispness of autumn begins to set in, creating a perfect atmosphere for leisurely strolls through Lübeck's charming streets. This balance of mild warmth and the encroaching chill hints at the seasonal shift ahead, making September a beautifully dynamic time in this historic German town.

September Weather in Luebeck: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Luebeck, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373741475564646558524439
Data source: Temperature data for Luebeck generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Luebeck

In September, Lübeck experiences a moderate level of precipitation, with 50 mm (2.0 in) of rain falling over just 9 rainy days. This makes it one of the drier months of the year, following the wetter summer months of July and August, which recorded 84 mm (3.3 in) and 76 mm (3.0 in), respectively. As the region begins to transition into autumn, the rainfall is significantly reduced compared to the peak summer months, hinting at a gradual shift in weather patterns. Interestingly, October sees an uptick in precipitation again, with 69 mm (2.7 in) expected over 14 days, suggesting the onset of more consistent autumnal rain as the days grow shorter and cooler. This trend illustrates a clear seasonal rhythm in Lübeck, where the late summer's lighter showers precede the heavier, more frequent rains of fall.

September Precipitation Trends in Luebeck

The chart displays monthly precipitation patterns in Luebeck, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec585062416162847650694563
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Luebeck

In September, Lübeck experiences a noticeable rise in humidity, reaching 82%. This increase marks a transition from the relatively dry summer months, where humidity hovered around 75% to 77% during July and August. September's humidity serves as a precursor to the wetter autumn months, as levels climb alongside the gradual cooling of temperatures. As the year progresses, we see a consistent pattern where humidity tends to rise, peaking again at 91% in January, indicating that Lübeck's climate is characterized by a lush and moist environment, particularly in the colder months.

September Average Humidity in Luebeck

This chart illustrates the average monthly humidity levels in Luebeck, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%83%78%77%77%75%82%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Luebeck

As summer transitions into autumn in Luebeck, Germany, the September UV Index reflects a moderate level at 5, indicating a slight reduction in solar intensity compared to the peak summer months. This month’s burn time of 30 minutes underscores the ongoing need for sun protection, particularly during midday hours. While June saw a jump to a very high UV Index of 8, September’s levels are more akin to those observed in April. This trend shows a gentle decline in sun exposure, making it an ideal time to enjoy outdoor activities while remaining mindful of UV risks. For more detailed information on UV levels throughout the year, visit Luebeck UV Index.

Maximum UV Index Levels in Luebeck for September

The chart shows the monthly maximum UV Index (UVI) for Luebeck in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Luebeck September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Luebeck

In September, Lübeck basks in a delightful 314 hours of sunshine, a fitting transition from the bright summer months. Following a peak in July with 420 hours, the sun starts to retreat, but the warm rays still grace the city before autumn fully sets in. This month marks a noticeable decrease compared to the sun-drenched days of May and June, yet it remains significantly brighter than the winter months ahead. As October approaches with only 251 hours of sunlight, residents and visitors alike savor the lingering warmth of early autumn, making September a splendid time to explore Lübeck's historic sites bathed in golden light.

Monthly Sunshine Duration in Luebeck: September Highlighted

The September sunshine duration represents the total number of hours Luebeck experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec100h182h263h357h407h414h420h390h314h251h151h107h
Data source: Luebeck September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luebeck During September

In Luebeck, Germany, September presents a modest chance of sunny weather at 28%, which reflects a slight decline from the summer months. This drop shadows a peak in April, where the sun shines 42% of the time, suggesting that while September still offers opportunities for bright days, it tends to transition into the cooler, cloudier autumn months. The overall trend shows that as the year progresses from the bright spring into late summer, the likelihood of sunny days fluctuates, creating an interesting tapestry of weather patterns where September begins to hint at the approaching chill of autumn while still holding onto the remnants of summer’s warmth.

Percentage of Sunny Days in September in Luebeck

The chart illustrates the percentage of sunny days in Luebeck throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Luebeck experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%25%34%42%27%36%33%32%28%30%14%18%
Data source: Luebeck September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luebeck in September

As summer fades in September, Luebeck, Germany, enjoys a comfortable 12 hours of daylight, marking a gentle transition from the long, sun-filled days of July and August. This gradual decline in daylight reflects the shift from the vibrant warmth of late summer toward the cooler embrace of autumn. After basking in up to 16 hours of sunlight during the peak of summer, residents now embrace shorter days, signaling a time for cozy gatherings and autumn preparations. As the month wears on, daylight hours will continue to slip, foreshadowing the early dusk of winter, where daylight dwindles down to just 7 hours by December. This ebb and flow of sunlight not only shapes the rhythm of daily life but also invites a deeper connection to the changing seasons.

Average Daylight Hours in Luebeck for September

The chart illustrates the variation in daylight duration in Luebeck throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 4m9h 47m11h 54m14h 3m15h 57m16h 58m16h 25m14h 43m12h 37m10h 29m8h 33m7h 30m
Data source: Luebeck daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Luebeck

As summer fades into autumn, September in Lübeck experiences a gentle shift in wind patterns, with average speeds dropping to 3.3 m/s (7 mph). This marks a noticeable decline from the breezier months of late summer, reflecting a trend of decreasing wind strength that typically characterizes the transition into fall. While the winds are softer than those in the preceding months, the coolness they carry heralds the impending change of season, making September a particularly serene time to enjoy Lübeck’s picturesque landscapes. Interestingly, this slight lull in air movement paves the way for a brisk October, where winds pick up again, reminding us of nature’s cyclical dance.

Average September Wind Speed in Luebeck

The chart displays monthly wind speed patterns in Luebeck, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.93.94.03.92.73.23.73.3 m/s4.23.84.0
Data source: Luebeck September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Luebeck Compares to Other Months

The weather in Luebeck 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 Luebeck and find detailed weather information for every month.

The weather in September is notably warmer than January, with average temperatures ranging from a minimum of 4°C (39°F) to a high of 30°C (86°F), resulting in an overall pleasant climate with an average of 15°C (59°F). In contrast, January experiences much colder temperatures, with a minimum of -11°C (13°F) and a maximum of only 13°C (56°F), averaging around 3°C (37°F). Both months see substantial precipitation, with September receiving 50 mm (2.0 in) over 9 days, while January has slightly more at 58 mm (2.3 in) spread across 12 days. Additionally, January's higher humidity at 91% compared to September's 82% contributes to a chillier feel during the winter month. For more details on January conditions, check out Luebeck weather in January.

September and February present stark contrasts in weather patterns. In September, temperatures range from a pleasant 4°C (39°F) at night to a warm 30°C (86°F) during the day, creating an average temperature of about 15°C (59°F). This month sees approximately 50 mm (2.0 in) of precipitation spread over 9 days, with humidity levels around 82%.

Conversely, February is much colder, with temperatures dipping as low as -16°C (4°F) and peaking at a milder 17°C (64°F), leading to an average of only 3°C (38°F). Despite receiving similar precipitation of 50 mm (2.0 in), it spans 11 days, and the humidity rises slightly to 89%. For more detailed information, you can visit Luebeck weather in February.

September and March present contrasting weather patterns that reflect the transition between summer and spring. In September, temperatures range from a mild 4°C (39°F) at night to a warm 30°C (86°F) during the day, making it generally more pleasant with an average of 15°C (59°F). The month experiences 50 mm (2.0 in) of precipitation over about 9 days and has a humidity level of 82%. In contrast, March sees much cooler temperatures, dipping to a low of -15°C (5°F) at night, with an average of only 5°C (41°F) and a maximum reaching 20°C (68°F). This month is slightly wetter, with 62 mm (2.4 in) of precipitation over 12 days and higher humidity at 87%. For more details on March weather, check out Luebeck weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. September enjoys warmer temperatures with a minimum of 4°C (39°F) and an average of 15°C (59°F), peaking at a maximum of 30°C (86°F). In contrast, April is cooler, with a minimum of -3°C (27°F) and an average of 8°C (47°F), reaching a maximum of 26°C (80°F). Both months experience approximately 9 days of precipitation, but September sees slightly more rain, totaling 50 mm (2.0 in) compared to April's 41 mm (1.6 in). Humidity levels remain relatively similar, with September at 82% and April slightly higher at 83%. For more detailed weather information, you can visit Luebeck weather in April.

In September, temperatures typically range from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), with an average of 15°C (59°F). The month experiences around 50 mm (2.0 in) of precipitation over approximately 9 days, accompanied by a humidity level of 82%. In contrast, May sees slightly cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 29°C (85°F), averaging 13°C (55°F). This month also has higher precipitation at 61 mm (2.4 in), occurring over about 13 days, and slightly lower humidity at 78%. For more detailed information on weather trends, you can check Luebeck weather in May.

September and June present contrasting weather patterns, though both months experience mild temperatures. In June, temperatures range from a minimum of 4°C (40°F) to a maximum of 33°C (92°F), with an average of 18°C (64°F). It tends to be slightly more humid at 77%, with a total precipitation of 62 mm (2.4 in) over about 10 days. In comparison, September offers a broader range of temperatures, stretching from 4°C (39°F) to a warmer maximum of 30°C (86°F) and an average of 15°C (59°F). This month sees more rainfall, amounting to 50 mm (2.0 in) over 9 days, with a higher humidity level of 82%. If you're interested in more details about the weather in June, you can check out Luebeck weather in June.

In comparing the weather of September and July, we can see some notable differences. September generally experiences a wider range of temperatures, with minimums dropping to 4°C (39°F) and maximums reaching up to 30°C (86°F), while the average temperature is around 15°C (59°F). In contrast, July maintains warmer conditions, with minimums at 8°C (46°F) and maximums peaking at 34°C (94°F), resulting in an average of 18°C (65°F). Additionally, September has more humidity at 82% compared to July’s 77%. While both months experience precipitation, July sees a greater total of 84 mm (3.3 in) over 12 days, whereas September has 50 mm (2.0 in) across 9 days. For more detailed information about July's weather, you can visit Luebeck weather in July.

In comparing the weather conditions of September and August, we notice some distinct differences. September experiences cooler temperatures with a minimum of 4°C (39°F), an average of 15°C (59°F), and a maximum of 30°C (86°F), whereas August showcases warmer averages, with minima of 7°C (46°F), averages around 18°C (65°F), and maxima reaching 34°C (94°F). Precipitation is also slightly higher in August, with 76 mm (3.0 in) of rainfall over 12 days, compared to September's 50 mm (2.0 in) over 9 days. Additionally, September has a higher humidity level at 82%, in contrast to August's 75%. For more detailed insights into August's weather, you can check Luebeck weather in August.

In September, the weather is warmer with minimum temperatures around 4°C (39°F) and maximums reaching up to 30°C (86°F), leading to an average of 15°C (59°F). The precipitation is moderate at 50 mm (2.0 in) over 9 days, and the humidity is relatively high at 82%. In contrast, October brings cooler conditions, with temperatures dipping to a minimum of -2°C (29°F) and an average of 11°C (52°F), while maximum temperatures can still reach 26°C (79°F). Rainfall increases slightly to 69 mm (2.7 in) over 14 days, along with a rise in humidity to 86%. For more details, you can check the Luebeck weather in October.

September weather offers a wide temperature range, with minimums around 4°C (39°F) and highs peaking at 30°C (86°F), making it a generally warmer month with an average temperature of 15°C (59°F). The humidity is relatively high at 82%, and it tends to experience about 50 mm (2.0 in) of rainfall over approximately 9 days. In contrast, November brings a notable drop in temperatures, with lows dipping to -3°C (27°F) and average highs around 6°C (44°F), creating a cooler climate with an average temperature of 6°C (44°F). Additionally, November is slightly wetter, receiving about 45 mm (1.8 in) of precipitation over 11 days, and the humidity increases to 89%. For more detailed insights on weather conditions, check Luebeck weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures can range from a minimum of 4°C (39°F) to a warm maximum of 30°C (86°F), with an average of 15°C (59°F). The month experiences about 50 mm (2.0 in) of precipitation spread across 9 days and maintains a humidity level of 82%. Conversely, December sees a significant drop in temperatures, with a minimum of -11°C (13°F), an average of 4°C (39°F), and a maximum of 12°C (54°F). Precipitation increases to 63 mm (2.5 in), occurring on 14 days, and humidity rises to 92%. Overall, December's chill and increased moisture create a much colder and wetter atmosphere compared to the milder and sunnier days of September. For more details, check Luebeck weather in December.

Compare Luebeck's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luebeck

As September arrives in Luebeck, the weather begins to transition, creating a fascinating blend of summer warmth and early autumn chill. With temperatures reaching up to 30°C (86°F) during the day, the first half of the month can still feel quite balmy, while nighttime lows can drop significantly, reminding us that summer is fading. Precipitation is also more noticeable, with approximately 50 mm of rain spread over 9 rainy days, contributing to the notable 82% humidity. This combination of warmer days and cooler nights, along with increasing rainfall, makes September a unique month in Luebeck's climate. For a deeper understanding of the seasonal variations, delve into the details here: Luebeck Climate.