September Weather in Berlin, Germany

Last updated: February 26, 2025

September in Berlin, Germany offers a blend of pleasant and variable weather, with temperatures ranging from a maximum of 34°C (94°F) to a minimum of 4°C (39°F). The average temperature sits comfortably at 16°C (60°F), making it an inviting time for both locals and visitors. While the month sees about 51 mm (2.0 in) of precipitation over 8 days, the high humidity levels at 82% can create a cozy atmosphere. Embrace the gentle transition from summer's warmth to autumn's charm as you explore the vibrant city.

September Temperature in Berlin

In September, Berlin begins to transition from the warmth of summer to the crispness of autumn. With minimum temperatures around 4°C (39°F) and daytime highs reaching up to 34°C (94°F), the month offers a delightful mix of mild and warm days. The average temperature settles at a comfortable 16°C (60°F), making it an ideal time for outdoor activities and exploring the city's rich history and vibrant culture. As the month progresses, you'll notice a gradual cooling, hinting at the arrival of fall, yet September still provides ample opportunities to bask in the lingering warmth before the chill sets in.

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

The chart illustrates September temperature patterns in Berlin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363741495768676860524338
Data source: Temperature data for Berlin 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 Berlin

In September, Berlin experiences a mild precipitation pattern, with a total of 51 mm (2.0 in) of rain spread over 8 days. This marks a slight dip in rainfall compared to the summer months, as July boasts the highest precipitation at 90 mm (3.5 in). As autumn approaches, the city's weather shifts from the wetter August, which recorded 61 mm (2.4 in) over 11 days, hinting at a transition to cooler, brisker days. Despite the decrease, September still receives a healthy amount of rain, maintaining the characteristic fluctuation of Berlin's climate—a reminder of the city's vibrant seasons as it prepares to welcome the onset of fall.

September Precipitation Trends in Berlin

The chart displays monthly precipitation patterns in Berlin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec524655363960906151554551
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Berlin

In September, Berlin experiences a noticeable shift in humidity, registering at 82%—a significant increase from the summer months, when levels dipped to a comfortable 71% in August. This uptick signals the transition into autumn, as humidity begins to rise, paralleling the return of cooler temperatures. The trend reveals that while Berlin's summer air tends to remain relatively dry, the onset of fall brings a return to the higher humidity levels characteristic of earlier months, like January's peak at 91%. This cyclical pattern reinforces the city's seasonal climate, where the end of summer gently paves the way for the moist air of autumn, heightening the fresh and crisp atmosphere of September in the capital.

September Average Humidity in Berlin

This chart illustrates the average monthly humidity levels in Berlin, 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%88%82%74%75%74%71%82%86%89%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Berlin

As September rolls into Berlin, the UV Index settles at a moderate 5, marking a slight decline from the summer's peak but still demanding attention for sun safety. With a burn time of 30 minutes, outdoor enthusiasts should remain vigilant, especially as they transition from the high levels seen in June through August. This change reflects a broader trend as the city shifts from the intense summer rays back to more temperate conditions, making it essential to enjoy the remaining sunny days without neglecting skin protection. For more insights on sun exposure and protection measures throughout the year, check out Berlin UV Index.

Maximum UV Index Levels in Berlin for September

The chart shows the monthly maximum UV Index (UVI) for Berlin 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578775321
Data source: Berlin 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 Berlin

As summer fades and the vibrant streets of Berlin transition into autumn, September offers a delightful 309 hours of sunshine. This marks a gentle decline from the sun-drenched days of July and August, yet it still holds a significant glow compared to the darker months ahead. With a steady increase in daylight from the winter lows of 105 hours in January to a peak in June, September's brightness hints at the lingering warmth of summer while heralding the crispness of fall. As the city bask in this golden light, it becomes a vibrant backdrop for exploration, making it an enchanting time to experience Berlin's rich culture and outdoor spaces before the days shorten significantly into October and November.

Monthly Sunshine Duration in Berlin: September Highlighted

The September sunshine duration represents the total number of hours Berlin 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.
JanFebMarAprMayJunJulAugSepOctNovDec105h190h259h342h393h412h401h379h309h255h164h120h
Data source: Berlin September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Berlin During September

As summer wanes and September arrives in Berlin, the likelihood of sunny weather holds steady at 33%, reflecting a slight decline from the more sun-drenched months of June and July, which peak at 41%. This transitional month, nestled between the warmth of summer and the chill of autumn, often offers a pleasant blend of sun and milder temperatures, ideal for enjoying the city's vibrant parks and outdoor cafes. While the chances of sunshine dip slightly compared to the earlier summer months, September maintains a comparable sun probability to both April and May, indicating that the skies can still be generous. As autumn approaches, Berliners can look forward to crisp days that, while not guaranteed to be sun-soaked, still invite outdoor exploration and enjoyment.

Percentage of Sunny Days in September in Berlin

The chart illustrates the percentage of sunny days in Berlin 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 Berlin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%27%38%33%33%41%30%27%33%35%16%17%
Data source: Berlin September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Berlin in September

As September arrives in Berlin, the days begin to gradually shorten, offering around 12 hours of daylight—a gentle transition from the summer's peak of nearly 16 hours in June and July. This month marks a noticeable shift from the vibrant warmth of summer, with daylight gradually dipping from the previous month’s 14 hours in August. As autumn approaches, the sun starts setting earlier, inviting the rich, golden hues of fall to the landscape. While daylight continues to wane, it still provides ample time to enjoy the city's outdoor charm, making September a perfect blend of lingering warmth and the crisp beginnings of autumn.

Average Daylight Hours in Berlin for September

The chart illustrates the variation in daylight duration in Berlin throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 16m9h 54m11h 54m13h 57m15h 45m16h 42m16h 12m14h 35m12h 36m10h 34m8h 44m7h 45m
Data source: Berlin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Berlin

As summer gracefully transitions into autumn, September in Berlin brings a slight dip in wind speed, averaging 2.9 m/s (7 mph). This gentle breeze is a refreshing change from the warmer months, reflecting a trend observed since June, when winds began to lose some of their summer vigor. While September may not boast the highest gusts, its softer winds create a serene backdrop perfect for leisurely strolls through the city's colorful parks. The month stands as a bridge between the languid summer days and the brisk days of fall, inviting residents and visitors alike to enjoy the tranquil charm of Berlin in early autumn.

Average September Wind Speed in Berlin

The chart displays monthly wind speed patterns in Berlin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.33.43.73.82.73.03.22.9 m/s3.73.63.5
Data source: Berlin September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Berlin Compares to Other Months

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

September and January present contrasting weather patterns in Berlin. In September, the temperatures range from a cool 4°C (39°F) at night to a warm 34°C (94°F) during the day, with an average of about 16°C (60°F). This month also sees a relatively moderate level of precipitation at 51 mm (2.0 in) over approximately 8 days, accompanied by a humidity level of 82%. In stark contrast, January experiences much colder temperatures, with a minimum of -9°C (16°F) and a maximum of 14°C (57°F), averaging around 2°C (36°F). The month is slightly wetter, with 52 mm (2.0 in) of precipitation spread over 11 days, and humidity levels rise to 91%. For a detailed look at January weather, see Berlin weather in January.

September and February present contrasting weather experiences. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 34°C (94°F), with an average temperature of 16°C (60°F). The month sees about 51 mm (2.0 in) of precipitation over 8 days, alongside a humidity level of 82%. In stark contrast, February's temperatures drop significantly, with a minimum of -15°C (5°F) and a maximum of 19°C (66°F), averaging just 3°C (37°F). Though February has slightly less precipitation at 46 mm (1.8 in) over 10 days, it comes with a higher humidity level of 90%. For more insights, check out Berlin weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 34°C (94°F), with an average of 16°C (60°F). The month typically sees about 51 mm (2.0 in) of precipitation spread over 8 days and a relatively high humidity of 82%. In contrast, March experiences much colder temperatures, with a minimum of -13°C (9°F) and an average of 5°C (41°F), peaking at 21°C (71°F). This month also receives a similar amount of precipitation—55 mm (2.2 in)—but over more days, totaling 14. Furthermore, March has even higher humidity levels at 88%. For more detailed insights, check out Berlin weather in March.

September and April showcase contrasting weather patterns, both marked by high humidity levels of 82%. In September, temperatures range from a cool 4°C (39°F) to a warm maximum of 34°C (94°F), averaging around 16°C (60°F). The month experiences more significant warmth, with a total precipitation of 51 mm (2.0 in) over 8 days. In contrast, April presents a chillier climate, with temperatures dipping between -4°C (25°F) and peaking at 27°C (80°F), averaging 9°C (49°F). This month sees slightly lower precipitation at 36 mm (1.4 in) over 9 days, indicating a bit more variability in weather. For more detailed insights, visit Berlin weather in April.

September and May exhibit distinct weather patterns, each characterized by its own temperature range and precipitation levels. In September, temperatures fluctuate more widely, with minimums of 4°C (39°F), averages around 16°C (60°F), and maximums soaring up to 34°C (94°F). The month also sees higher humidity at 82% and slightly more precipitation with 51 mm (2.0 in) over about 8 days. In contrast, May features cooler minimum temperatures dropping to 0°C (32°F) and an average of 14°C (57°F), while maximums reach a comfortable 31°C (88°F). It experiences less precipitation at 39 mm (1.6 in) across 10 days and a lower humidity rate of 74%. For more detailed insights about May weather specifically, you can check out Berlin weather in May.

When comparing the weather in September and June, we see notable differences in temperature and precipitation. September features a wider temperature range, with minimums dipping to 4°C (39°F) and maximums reaching up to 34°C (94°F), while June tends to be warmer overall, with averages around 20°C (68°F) and a maximum of 37°C (99°F). Rainfall is slightly higher in June, with 60 mm (2.3 in) of precipitation over 9 days compared to September's 51 mm (2.0 in) over 8 days. Additionally, September tends to be more humid at 82%, whereas June's humidity is lower at 75%. For more details, you can explore Berlin weather in June.

In comparing the weather between September and July, notable differences emerge. September features a wider temperature range, with minimums dropping to 4°C (39°F) and maximums reaching up to 34°C (94°F), while the average temperature stands at 16°C (60°F). In contrast, July presents warmer temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 38°C (101°F) and averaging around 20°C (68°F). Additionally, September experiences slightly less precipitation, averaging 51 mm (2.0 in) over 8 days, compared to July, which sees 90 mm (3.5 in) of rain over 10 days. Humidity levels are also higher in September at 82%, whereas July has a lower humidity level of 74%. For more details about July's weather, you can visit Berlin weather in July.

In comparing the weather of September and August, we see some notable differences. September experiences a wider temperature range, with minimums dropping to 4°C (39°F), while August stays relatively warmer with a minimum of 8°C (46°F). The average temperature in September is slightly cooler at 16°C (60°F) compared to August's 20°C (68°F). Furthermore, September has a maximum temperature of 34°C (94°F) which is lower than August's peak of 37°C (99°F). Regarding precipitation, September has a total of 51 mm (2.0 in) over 8 days, while August sees slightly more rainfall at 61 mm (2.4 in) across 11 days. Additionally, September's humidity is higher at 82%, compared to August's 71%. For more detailed information, you can check Berlin weather in August.

September and October exhibit a notable shift in weather patterns. September tends to be warmer, with average temperatures around 16°C (60°F) and daytime highs reaching up to 34°C (94°F), while October sees a decrease in average temperature to 11°C (52°F), with maximums around 25°C (77°F). Additionally, October brings cooler nights, with temperatures dropping as low as -2°C (29°F), contrasting sharply with September's minimum of 4°C (39°F). There is a slight increase in precipitation in October, totaling 55 mm (2.2 in) over 12 days compared to September's 51 mm (2.0 in) over 8 days, and humidity also rises slightly from 82% in September to 86% in October. For more detailed insights, you can check Berlin weather in October.

In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 34°C (94°F), with an average of 16°C (60°F). The month experiences 51 mm (2.0 in) of precipitation over approximately 8 days, accompanied by a humidity level of 82%. In contrast, November sees much cooler temperatures, with a minimum of -5°C (24°F) and an average of just 6°C (44°F), peaking at 20°C (68°F). This month has slightly less precipitation at 45 mm (1.8 in) spread over 10 days, along with an increase in humidity to 89%. For more detailed information, you can check out Berlin weather in November.

In September, the weather is considerably warmer with average temperatures around 16°C (60°F) and maximum highs reaching up to 34°C (94°F). The month experiences moderate humidity at 82% and sees about 51 mm (2.0 in) of precipitation over 8 days. In contrast, December brings a dramatic drop in temperatures, with averages around 3°C (38°F) and lows plummeting to -11°C (12°F). Although it also receives 51 mm (2.0 in) of precipitation, it occurs over more days—12 in total—and the humidity increases to 93%, creating a much colder and wetter atmosphere. For a detailed look at Berlin's weather in December, check out Berlin weather in December.

Compare Berlin's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Berlin

As September unfolds in Berlin, the city's weather begins to transition from the heat of summer to the cooler embrace of autumn. Visitors can expect mild temperatures, occasionally peaking at 34°C (94°F), but generally hovering around a comfortable 16°C (60°F). Unlike the drier months that precede it, September sees an increase in precipitation, with around 51 mm (2.0 in) falling over 8 days, contributing to the 82% humidity that characterizes this time of year. This blend of warmth and moisture offers a unique charm, making it a delightful period for exploring the city's rich culture and vibrant outdoor spaces. For a deeper understanding of how these changes influence the local climate, check out Berlin Climate.