September Weather in Erfurt, Germany

Last updated: February 26, 2025

In September, Erfurt, Germany experiences a diverse spectrum of weather, with temperatures ranging from a maximum of 32°C (90°F) to a chilly minimum of 0°C (33°F). The month boasts an average temperature of 15°C (59°F), providing a mild atmosphere ideal for outdoor activities. While precipitation is moderate, totaling 47 mm (1.9 in) over approximately 8 rainy days, the humidity remains relatively high at 83%, contributing to the refreshing yet sometimes damp conditions. Embrace the crispness of late summer as Erfurt transitions beautifully into autumn.

September Temperature in Erfurt

As autumn begins to settle in, September in Erfurt, Germany, offers a delightful transition with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 32°C (90°F). The average temperature hovers around a comfortable 15°C (59°F), reflecting a pleasant shift from the summer heat that peaks in August. This month serves as a gentle reminder of the approaching cooler seasons, as the days gradually shorten and the refreshing air carries hints of crispness. With such variability, September presents an ideal time for outdoor exploration, where lively festivities and rich autumn colors can be fully enjoyed before the chill of winter sets in.

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

The chart illustrates September temperature patterns in Erfurt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353641485565666758514137
Data source: Temperature data for Erfurt 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 Erfurt

In September, Erfurt experiences a noticeable transition in its weather patterns, with precipitation totaling 47 mm (1.9 in). This is a slight decrease from the summer months, where rainfall peaked in August at 74 mm (2.9 in). Interestingly, September sees fewer rainy days, averaging 8 days of precipitation, which suggests that the rain tends to be more concentrated than in previous months. Over the course of the year, September's rainfall aligns closely with the drier spring months, signaling a shift towards the crisper autumn climate that follows. As the year progresses, it’s evident that while September marks a decrease in moisture compared to the summer, it still plays a vital role in preparing the flora for the coming cooler months.

September Precipitation Trends in Erfurt

The chart displays monthly precipitation patterns in Erfurt, 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.
JanFebMarAprMayJunJulAugSepOctNovDec484655366956647447503956
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Erfurt

In September, Erfurt, Germany, experiences a slight increase in humidity levels, reaching 83%. This uptick follows a summer marked by consistent 79% humidity from June to August, suggesting a transition as autumn approaches. The trend highlights a gradual rise from the drier months of May at 75%, flowing back toward the wetter conditions typical of late fall and winter. As the year progresses, humidity levels rebound significantly, with the city often averaging around 90% or more during the colder months of November and December. This seasonal shift not only underscores the dampness characteristic of Erfurt’s climate but also prepares residents for the more humid days ahead.

September Average Humidity in Erfurt

This chart illustrates the average monthly humidity levels in Erfurt, 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%83%75%79%79%79%83%87%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Erfurt

As summer fades into autumn, September in Erfurt sees a UV Index of 5, placing it in the moderate exposure category. This indicates that while the days are still bright, caution is advised—especially for those spending extended time outdoors. With a burn time of 30 minutes, it's a good reminder to use sun protection if you're planning to enjoy the lingering warm days. Interestingly, this month marks a decline from the intense UV levels of July and August, which peaked at 8, signaling a shift towards more comfortable sun exposure as we move into the cooler months. For more information on UV trends in the area, visit Erfurt UV Index.

Maximum UV Index Levels in Erfurt for September

The chart shows the monthly maximum UV Index (UVI) for Erfurt 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.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Erfurt 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 Erfurt

As autumn begins to weave its way into the heart of Erfurt, September shines brightly with an impressive 312 hours of sunshine. This month sees a gentle transition from the sun-drenched days of summer, where July peaks at 407 hours, to the more subdued light of October with just 251 hours. Despite the approaching chill, September retains a significant portion of the summer’s warmth, making it a delightful time for outdoor activities and enjoying the vibrant fall foliage. The gradual decline in sunlight hours from the sweltering heights of summer suggests a deepening connection with the changing seasons, reminding residents and visitors alike of the beauty in nature’s rhythms.

Monthly Sunshine Duration in Erfurt: September Highlighted

The September sunshine duration represents the total number of hours Erfurt 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.
JanFebMarAprMayJunJulAugSepOctNovDec100h195h261h342h378h398h407h376h312h251h169h127h
Data source: Erfurt September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Erfurt During September

As summer transitions into autumn, September in Erfurt, Germany, presents a noteworthy uptick in sunshine, boasting a 36% chance of sun—an improvement compared to the preceding months of June, July, and August, which hover around 27% to 30%. This makes September one of the sunniest months of the year, equalling the brightness typically seen in March. Yet, while the sunny days may be more frequent, they still represent a modest opportunity for outdoor enjoyment before the cooler October weather settles in. Thus, if you're planning a visit during this month, you can look forward to a pleasant balance of sunshine and early autumn charm.

Percentage of Sunny Days in September in Erfurt

The chart illustrates the percentage of sunny days in Erfurt 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 Erfurt experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%27%36%32%33%27%30%30%36%31%16%13%
Data source: Erfurt September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Erfurt in September

As September arrives in Erfurt, Germany, the lingering warmth of summer begins to wane, heralding the transition to autumn. With 12 hours of daylight, September strikes a harmonious balance between the longer days of summer and the shorter days that lie ahead. This month sees a gradual decline from the 14 hours enjoyed in August, a subtle reminder that the sun's reign is drawing to a close. As daylight diminishes towards the 10 hours in October, the vibrant hues of autumn foliage emerge, creating a captivating backdrop against the rich, changing skies. This rhythmic ebb and flow of daylight reflects not just the passage of time but also the enchanting cycles of nature that define life in Erfurt.

Average Daylight Hours in Erfurt for September

The chart illustrates the variation in daylight duration in Erfurt throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 28m10h11h 55m13h 52m15h 34m16h 27m15h 58m14h 27m12h 34m10h 38m8h 54m7h 58m
Data source: Erfurt daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Erfurt

As September unfolds in Erfurt, Germany, the landscape transforms under a gentle breeze, with average wind speeds dipping to 2.5 m/s (5 mph). This marks a continuation of the subtle decline seen throughout the summer months, where July and August experienced slightly stronger gusts of 2.6 m/s (6 mph) and 2.9 m/s (7 mph), respectively. The transition into autumn brings a noticeable shift, signaling a time for cozy sweaters and warm drinks. Interestingly, September's winds remain calmer than typical spring and early summer months, making it an ideal time for leisurely strolls through the city's charming streets, as the energy of summer gives way to the tranquil embrace of fall. As the month progresses, one can anticipate a gradual resurgence in wind speeds, foreshadowing the brisk breezes of October, which averages 3.3 m/s (7 mph).

Average September Wind Speed in Erfurt

The chart displays monthly wind speed patterns in Erfurt, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.52.93.23.13.82.22.62.92.5 m/s3.33.13.3
Data source: Erfurt September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Erfurt Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a mild 15°C (59°F) on average, with highs reaching up to 32°C (90°F). The month sees around 47 mm of precipitation over about 8 days, and the humidity is relatively high at 83%. In contrast, January brings much colder temperatures, with an average of just 2°C (35°F) and lows plummeting to -12°C (10°F). Although the precipitation level is quite similar at 48 mm, it occurs over a longer duration of 12 days, resulting in a higher humidity level of 91%. For more detailed information, check out Erfurt weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly 0°C (33°F) at night to a warm average of 15°C (59°F) during the day, reaching highs of up to 32°C (90°F). This month experiences relatively low humidity at 83% and about 47 mm (1.9 in) of precipitation over 8 days. Conversely, February is much colder, with temperatures dipping to a minimum of -19°C (-2°F) and an average of just 2°C (37°F), while daytime highs only reach 18°C (65°F). It also has higher humidity at 90% and slightly more precipitation, tallying 46 mm (1.8 in) over 10 days. For more detailed information, you can explore Erfurt weather in February.

September and March offer contrasting weather experiences. In September, temperatures can range from a chilly 0°C (33°F) at night to a warm 32°C (90°F) during the day, with an average of 15°C (59°F). This month sees about 47 mm (1.9 in) of precipitation over roughly 8 days and humidity levels around 83%. In contrast, March is generally colder, with nighttime lows dipping to -13°C (9°F) and daytime highs reaching only up to 21°C (70°F), averaging around 5°C (41°F). Precipitation increases slightly to 55 mm (2.2 in), spread over 14 days, and humidity rises to 88%. For a detailed forecast, you can check Erfurt weather in March.

In comparing the weather of September and April, it’s evident that September enjoys warmer temperatures across the board, with a minimum of 0°C (33°F), an average of 15°C (59°F), and a maximum of 32°C (90°F). In contrast, April features cooler conditions, starting with a minimum of -6°C (22°F) and averaging only 9°C (48°F), with a maximum of 27°C (80°F). Both months experience similar levels of precipitation, with September slightly wetter at 47 mm (1.9 in) compared to April’s 36 mm (1.4 in), although both typically see rain on about eight days. Humidity levels are consistent throughout the two months, remaining at 83%. For more specific insights, you can explore Erfurt weather in April.

In comparing the weather patterns of September and May, we see notable differences in temperature and precipitation. September experiences a wider temperature range, with a minimum of 0°C (33°F), an average of 15°C (59°F), and a maximum of 32°C (90°F), while May has slightly cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 29°C (85°F) with an average of 13°C (55°F). Additionally, May is characterized by higher precipitation, with 69 mm (2.7 in) falling over 11 days compared to September's 47 mm (1.9 in) over 8 days. Humidity levels are also distinct, with September being more humid at 83% compared to May's 75%. For more detailed information on May's climate, you can visit Erfurt weather in May.

September and June present contrasting weather patterns, with September experiencing a broader temperature range from a cool 0°C (33°F) to a warm 32°C (90°F), while June typically enjoys milder temperatures between 5°C (41°F) and 35°C (95°F). In terms of averages, September's overall temperature sits at 15°C (59°F), slightly lower than June’s average of 18°C (65°F). Although both months see some precipitation, June tends to have slightly higher rainfall at 56 mm (2.2 in) over 9 days compared to September's 47 mm (1.9 in) across 8 days. Interestingly, September exhibits higher humidity levels at 83%, in contrast to June's 79%. For more detailed information, you can refer to Erfurt weather in June.

When comparing the weather in September and July, several notable differences arise. September typically experiences a wider temperature range, with minimums dropping to 0°C (33°F) and maximums reaching up to 32°C (90°F). In contrast, July's temperatures are generally warmer, ranging from a minimum of 7°C (45°F) to a maximum of 37°C (99°F), reflecting the peak of summer. Precipitation levels are also noteworthy; September sees 47 mm (1.9 in) of rain over 8 days, while July has slightly higher precipitation at 64 mm (2.5 in) over 9 days. Additionally, September has a higher humidity level at 83%, compared to July's 79%. For further details, visit Erfurt weather in July.

In comparing the weather of September to August, we see a noticeable shift in temperature. September experiences a broader range, with minimum temperatures dropping to 0°C (33°F) and maximums peaking at 32°C (90°F), while August remains warmer with temperatures varying from 7°C (45°F) to 36°C (97°F). The average temperature in September is lower at 15°C (59°F) compared to August's 19°C (67°F). Additionally, September is slightly wetter, receiving 47 mm (1.9 in) of precipitation over 8 days, compared to August's 74 mm (2.9 in) over 11 days. Humidity levels are also slightly higher in September at 83% versus August's 79%. For a more detailed look at August weather, you can check Erfurt weather in August.

In September, the weather features a wider temperature range, with minimums of 0°C (33°F) and maximums soaring up to 32°C (90°F), resulting in a milder average of 15°C (59°F). However, as October arrives, temperatures decrease, with lows dipping to -2°C (29°F) and highs reaching a pleasant 26°C (79°F), leading to a cooler average of 11°C (51°F). Both months experience similar precipitation levels, with September receiving 47 mm (1.9 in) over 8 days and October slightly increasing to 50 mm (2.0 in) across 11 days. Both months have relatively high humidity, with October being a tad more humid at 87% compared to September’s 83%. For more detailed insights on October weather, you can visit Erfurt weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F). The month experiences relatively low precipitation at 47 mm (1.9 in) over 8 days and has a humidity level of 83%. In contrast, November sees a drop in temperatures, with a minimum of -5°C (23°F) and an average of 5°C (42°F), peaking at 19°C (67°F). Precipitation is slightly lower at 39 mm (1.5 in) spread over 9 days, and the humidity increases to 90%. For more details, check out Erfurt weather in November.

September and December present distinctly contrasting weather patterns. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F), reflecting the warmth of early autumn. The month sees around 47 mm (1.9 in) of precipitation over about 8 days, along with a humidity level of 83%. In contrast, December's temperatures drop significantly, with a range between -10°C (14°F) and a maximum of 14°C (57°F), leading to an average of just 3°C (38°F). Precipitation increases slightly to 56 mm (2.2 in), occurring on 14 days, and humidity rises to 92%. This stark difference highlights the shift to winter conditions. For more details, you can check Erfurt weather in December.

Compare Erfurt's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Erfurt

As September unfolds in Erfurt, the weather begins to transition from the warm embrace of summer to the cooler touches of autumn. With temperatures fluctuating between a pleasant average of 15°C and the occasional peak of 32°C, this month is marked by a refreshing temperature drop compared to the sweltering highs of July and August. Despite experiencing some rain, with about eight days of precipitation, the charm of crisp, humid mornings at 83% humidity adds to the seasonal allure. For those curious about how September fits into the broader climate patterns, it marks a delightful balance between warmth and the crispness of fall, making it a unique time to visit. Discover more insights into the seasonal shifts by exploring Erfurt Climate.