September Weather in Hameln, Germany

Last updated: February 26, 2025

September in Hameln, Germany offers a delightful transition from summer to autumn, with temperatures ranging from a comfortable 30°C (87°F) at its peak to a chilly 2°C (35°F) at night. The average temperature settles around 14°C (58°F), making it a pleasant month for outdoor activities. Visitors should anticipate precipitation totaling 59 mm (2.3 in) over approximately 10 days, resulting in a humidity level of 82% that enhances the crisp, refreshing air. Embrace the charm of this historic town as the leaves begin to change colors, providing a stunning backdrop for exploration.

September Temperature in Hameln

In September, Hameln experiences a delightful transition as summer begins to wane, showcasing a pleasant range of temperatures. The minimum hovers around 2°C (35°F), ensuring a crisp start to the month, while the average settles at a comfortable 14°C (58°F). Afternoon highs can reach up to a balmy 30°C (87°F), creating ideal conditions for enjoying the picturesque scenery. Overall, September stands out for its blend of refreshing coolness and lingering warmth, making it a perfect time for outdoor activities and exploring the beautiful landscapes of this charming German town. As autumn approaches, the weather offers a perfect balance, inviting residents and visitors alike to savor the last vestiges of summer.

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

The chart illustrates September temperature patterns in Hameln, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363842485564656558524339
Data source: Temperature data for Hameln 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 Hameln

In September, Hameln experiences a moderate precipitation amount of 59 mm (2.3 in), marking a noticeable decrease from the wetter months of July and August. This shift is reflected in the reduced precipitation days, with only 10 days of rain compared to the previous month’s 14 days. Such trends suggest a transition into autumn, as the city's climate begins to balance out after the summer downpours. As the days shorten and temperatures cool, the milder precipitation levels may pave the way for more stable weather patterns leading into the heart of fall, while still providing essential moisture for the area's lush greenery.

September Precipitation Trends in Hameln

The chart displays monthly precipitation patterns in Hameln, 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.
JanFebMarAprMayJunJulAugSepOctNovDec737577466874997859845184
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hameln

As September arrives in Hameln, Germany, the humidity begins to shift, settling at a comfortable 82%. This marks a notable decrease from the height of summer, where levels hovered around 75% in August. The transition reflects a gradual change in the seasons; humidity levels typically start high in the winter months, peaking at 92% in January and December, then steadily declining as spring unfolds. This pattern resumes its ascent in the fall, hinting at the approaching winter as October's humidity rises to 88%. Thus, September serves as a gentle reminder of summer’s lingering warmth while foreshadowing the crispness of autumn that lies ahead.

September Average Humidity in Hameln

This chart illustrates the average monthly humidity levels in Hameln, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hameln

As September rolls in Hameln, Germany, the UV Index stands at a moderate level of 5, allowing for a comfortable sun exposure time of about 30 minutes before any risk of burning occurs. This marks a slight decline from the high levels recorded in the summer months of June and July, where individuals faced an urgent need to seek shade after just 15 minutes of sun. However, September’s UV Index remains higher than the early spring readings, reflecting a seasonal transition that calls for continued, albeit careful, outdoor enjoyment. With this moderate level, sun protection is advisable for prolonged outdoor activities, ensuring a healthy balance between soaking up some late summer rays and safeguarding your skin. For more detailed information on UV levels throughout the year, visit Hameln UV Index.

Maximum UV Index Levels in Hameln for September

The chart shows the monthly maximum UV Index (UVI) for Hameln 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Hameln 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 Hameln

September in Hameln unveils a delightful transition as summer begins to wane, offering a generous 308 hours of sunshine. This month showcases a remarkable peak following the sun-drenched heights of July and August, where residents basked in 397 and 379 hours, respectively. As the days grow shorter, September still holds onto a vibrant warmth—contrasting sharply with the dimmer months ahead in October and November, which dip to 235 and 162 hours of sunlight, respectively. This gentle decline hints at the approach of autumn, yet September's golden glow invites locals and visitors alike to relish in the lingering sunshine while it lasts.

Monthly Sunshine Duration in Hameln: September Highlighted

The September sunshine duration represents the total number of hours Hameln 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h189h257h339h384h390h397h379h308h235h162h117h
Data source: Hameln September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hameln During September

In Hameln, Germany, September offers a 33% chance of sunny weather, marking a notable trend as summer transitions into autumn. This percentage is on par with the sunnier months of April and August, suggesting that while the summer warmth begins to fade, there remains a solid potential for enjoyable, clear skies. The likelihood of sunshine in September is higher than the following months, October (25%) and November (15%), making it a great time for outdoor activities. As the month unfolds, residents and visitors alike can relish in those crisp days illuminated by pleasant sunshine, capturing the essence of early autumn in this picturesque town.

Percentage of Sunny Days in September in Hameln

The chart illustrates the percentage of sunny days in Hameln 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 Hameln experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%24%36%33%28%25%26%29%33%25%15%12%
Data source: Hameln September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hameln in September

As September arrives in Hameln, Germany, the days start to noticeably shorten, with an average of 12 hours of daylight. This marks a gradual decline from the summer’s peak of 16 hours in June and July, ushering in a transitional period as the vibrant hues of autumn begin to paint the landscape. After basking in the generous light of previous months, September offers a gentler daylight experience, still allowing for plenty of time to enjoy the serene beauty of early fall. As the days continue to dwindle towards October's 10 hours, this month stands as a balance between the lingering warmth of summer and the quiet approach of winter, inviting both reflection and outdoor exploration.

Average Daylight Hours in Hameln for September

The chart illustrates the variation in daylight duration in Hameln throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 20m9h 56m11h 54m13h 55m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Hameln daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hameln

As September rolls into Hameln, Germany, the wind takes a gentle turn, averaging a mild 2.6 m/s (6 mph). This marks a noticeable dip from the preceding months, particularly the summer, where winds were slightly stronger. The calmness of September, often accompanied by the fading warmth of summer, invites a serene atmosphere, contrasting sharply with the breezier autumn ahead. Interestingly, this pattern reflects a broader trend throughout the year, where wind speeds fluctuate with the seasons—peaking in the colder months of October and December, which typically enjoy higher speeds around 3.9 m/s (9 mph). The gentle September breeze serves as a reminder of nature's transition, leading us into the vibrant colors and crisp air of autumn.

Average September Wind Speed in Hameln

The chart displays monthly wind speed patterns in Hameln, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.43.43.23.62.32.63.12.6 m/s3.93.23.6
Data source: Hameln September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hameln Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 2°C (35°F) to a pleasant average of 14°C (58°F) and can reach a maximum of 30°C (87°F), accompanied by an average humidity of 82%. The month sees a total precipitation of 59 mm (2.3 in) over about 10 days. In contrast, January brings much colder weather, with temperatures dipping to a minimum of -10°C (15°F) and an average of 2°C (36°F), peaking at a maximum of 14°C (57°F). The humidity rises to 92%, and precipitation is slightly higher at 73 mm (2.9 in) over around 13 days. For a deeper look into January's climate specifics, you can visit Hameln weather in January.

September and February present stark contrasts in weather patterns. In September, temperatures range from a mild 2°C (35°F) at night to a warm 30°C (87°F) during the day, with an average of 14°C (58°F). This month experiences relatively lower precipitation at 59 mm (2.3 in) over about 10 days, coupled with a humidity level of 82%. In contrast, February is much colder, with temperatures dipping as low as -19°C (-2°F) and reaching a maximum of 19°C (66°F), averaging just 3°C (38°F). This month sees a higher total precipitation of 75 mm (3.0 in) spread over 12 days and a humidity level of 90%. For more detailed insights, you can check Hameln weather in February.

In September, temperatures range from a chilly minimum of 2°C (35°F) to a warm maximum of 30°C (87°F), with an average of 14°C (58°F), creating a pleasant, late-summer feel. The month experiences about 59 mm (2.3 in) of precipitation over approximately 10 days, with humidity levels around 82%. In contrast, March is notably colder, with temperatures dipping as low as -11°C (12°F) and peaking at 21°C (70°F), averaging 5°C (42°F). This month sees slightly higher precipitation of 77 mm (3.0 in) spread across around 15 days, accompanied by increased humidity at 87%. For more detailed information, you can refer to Hameln weather in March.

When comparing the weather in September and April, one can observe notable differences in temperature and precipitation. September typically features a wider temperature range, with minimums around 2°C (35°F), averages at 14°C (58°F), and maximums reaching 30°C (87°F). This month also sees about 59 mm (2.3 in) of precipitation over 10 days, accompanied by a humidity level of 82%. In contrast, April tends to be cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 26°C (80°F) and an average of 9°C (48°F). The precipitation in April is slightly lower at 46 mm (1.8 in) over the same number of days, with a humidity level just slightly higher at 83%. For more details on the specific conditions in April, you can check Hameln weather in April.

When comparing the weather in September and May, we can see some interesting differences. In September, temperatures can range from a low of 2°C (35°F) to a high of 30°C (87°F), with an average of 14°C (58°F). The month typically sees about 59 mm (2.3 in) of precipitation over 10 days and has a relatively high humidity level of 82%. Conversely, May experiences slightly cooler temperatures, with a minimum of -1°C (31°F) and an average of 13°C (55°F). Despite having similar maximum temperatures of 30°C (86°F), May tends to be wetter, with 68 mm (2.7 in) of rainfall over 13 days, and a lower humidity of 76%. For more detailed insights into May weather specifically, you can visit Hameln weather in May.

When comparing the weather in September and June, September tends to have slightly cooler temperatures, with averages around 14°C (58°F), while June is warmer, averaging 18°C (64°F). The maximum temperatures in both months are comparable, peaking at 30°C (87°F) in September and 32°C (90°F) in June. September sees about 59 mm (2.3 in) of precipitation over approximately 10 days, whereas June has a higher precipitation level of 74 mm (2.9 in) across 11 days. Additionally, September brings higher humidity at 82%, compared to June’s 74%. For more specific details, check out Hameln weather in June.

When comparing the weather in September and July, notable differences emerge. September sees cooler temperatures, with a minimum of 2°C (35°F) and an average of 14°C (58°F), whereas July experiences warmer conditions, with a minimum of 7°C (44°F) and an average of 18°C (65°F). The maximum temperatures in July can reach as high as 36°C (98°F), significantly higher than September's peak of 30°C (87°F). Precipitation is also greater in July, with 99 mm (3.9 in) over 12 days compared to September's 59 mm (2.3 in) over 10 days. Additionally, September's humidity is higher at 82%, while July has a more comfortable 74%. For a detailed look at July weather, you can visit Hameln weather in July.

In comparing the weather of September and August, we observe notable differences in temperature and precipitation patterns. September typically exhibits a wider temperature range, with minimums dipping down to 2°C (35°F) and maximums reaching up to 30°C (87°F), while August remains warmer overall, featuring minimums of 7°C (46°F) and maximums peaking at 35°C (95°F). Additionally, September experiences a higher average humidity at 82% compared to August's 75%. Precipitation is also more prevalent in August, with 78 mm (3.1 in) observed over 14 days, contrasted with September's 59 mm (2.3 in) spread across 10 days. For a more detailed look at August's conditions, you can refer to Hameln weather in August.

In September, the weather typically features a wider temperature range, with minimums around 2°C (35°F) and maximums reaching up to 30°C (87°F), providing an average of 14°C (58°F). However, this month also sees a relatively high humidity level of 82% and approximately 59 mm (2.3 in) of rainfall over about 10 days.

Contrastingly, October brings cooler temperatures, with minimums dropping to 0°C (32°F) and maximums capping at 26°C (79°F), leading to an average temperature of 11°C (52°F). The precipitation increases to 84 mm (3.3 in) spread over 15 days, and humidity rises slightly to 88%. For more detailed information about the weather in Hameln during October, visit Hameln weather in October.

September and November exhibit distinct differences in weather conditions. In September, temperatures range from a mild minimum of 2°C (35°F) to a warm maximum of 30°C (87°F), with an average of 14°C (58°F). The month experiences moderate precipitation, totaling 59 mm (2.3 in) over approximately 10 days, alongside a relatively high humidity of 82%. In contrast, November sees cooler temperatures, with a minimum dipping to -3°C (28°F) and an average of just 6°C (43°F), peaking at 19°C (67°F). While precipitation is slightly lower at 51 mm (2.0 in) over 11 days, humidity increases to 90%, adding to the chill in the air. For more detailed information about November weather, you can visit Hameln weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (87°F) and an average of 14°C (58°F). Despite experiencing 10 days of precipitation totaling 59 mm (2.3 in), the humidity sits at 82%, making it feel relatively comfortable. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -9°C (16°F) and averaging around 4°C (39°F). The maximum temperature reaches only 14°C (57°F), and precipitation increases to 84 mm (3.3 in) over 16 days, accompanied by higher humidity levels at 92%. For more detailed information on December weather, you can visit Hameln weather in December.

Compare Hameln's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hameln

As summer bids farewell, September in Hameln ushers in a refreshing change with cooler averages and higher humidity levels compared to the preceding months. The maximum temperatures still flirt with warmth, reaching around 30°C, while the nights can be quite brisk, dipping to a chilly 2°C. Rainfall is more frequent this month, with 10 days registering precipitation, which keeps the landscape lush and vibrant. Overall, September offers a unique blend of crisp air and the lingering warmth of summer, creating an ideal backdrop for outdoor activities. For more insights on what to expect throughout the year, visit Hameln Climate.