September Weather in Chemnitz, Germany

Last updated: February 26, 2025

September in Chemnitz, Germany presents a delightful transition from summer to autumn, with temperatures reaching a pleasant maximum of 28°C (84°F) and averaging around 14°C (57°F). As the month progresses, the air cools, dipping to a minimum of 1°C (34°F). This time of year is characterized by 81% humidity and intermittent rainfall, accumulating to about 71 mm (2.8 in) over 11 days. Visitors can expect a mixture of sunny days and cooler, rainy spells, making September an intriguing time to explore the city's vibrant surroundings.

September Temperature in Chemnitz

As September arrives in Chemnitz, Germany, the temperatures reflect a gentle transition from the warmth of summer to the coolness of autumn. With minimum temperatures averaging around 1°C (34°F) and a comfortable average of 14°C (57°F), this month embodies a refreshing shift. The maximum temperature can still reach up to 28°C (84°F), allowing for a few lingering warm days perfect for enjoying outdoor activities. As the month progresses, the cooler mornings hint at the winter ahead, contrasting with the fading remnants of summer's warmth. This blend of temperatures sets September apart as a month of transformation, inviting residents and visitors alike to relish in the changing season.

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

The chart illustrates September temperature patterns in Chemnitz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec323438465363646456494035
Data source: Temperature data for Chemnitz generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Chemnitz

In September, Chemnitz experiences a moderate level of precipitation, averaging 71 mm (2.8 in) over the course of 11 wet days. This marks a slight decrease from the significantly wetter August, which saw 107 mm (4.2 in) across 14 days of rain, indicating a trend toward drier conditions as the city transitions into autumn. Following September's moderate totals, precipitation levels rise again in October with 85 mm (3.3 in) expected, suggesting a shift in the weather patterns as cooler temperatures set in. Overall, September serves as a bridge between the lush, rain-filled summer months and the increasingly chilly and damp days of fall.

September Precipitation Trends in Chemnitz

The chart displays monthly precipitation patterns in Chemnitz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8465764892788510871854789
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chemnitz

In September, Chemnitz experiences a slight uptick in humidity, averaging 81%, which mirrors the trend seen in earlier months following the summer peak. As the warm air of August gives way to the cooler sensations of autumn, the shift corresponds with a gradual increase from 75% in June to 81% in September. This month sees humidity levels settle, balancing the remnants of summer warmth with the chill of approaching October, which will bring a rise to 85%. Overall, the year showcases a notable decline in humidity from the frigid heights of 90% in January to a more temperate feel by May and June before the slow climb resumes, illustrating Chemnitz's distinctive seasonal rhythms.

September Average Humidity in Chemnitz

This chart illustrates the average monthly humidity levels in Chemnitz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%87%81%71%75%74%76%81%85%88%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chemnitz

In September, Chemnitz experiences a UV Index of 6, categorized as high, which means sun safety becomes increasingly important as the summer heat recedes. With a burn time of 25 minutes, it's crucial for residents and visitors alike to be mindful of sun exposure during this month. This slight decline from the peak UV Index of 8 seen in July and June indicates that while the sun's intensity is diminishing, protection from harmful rays is still essential. As autumn approaches, a trend of decreasing UV levels is forecasted, offering a reminder of the changing seasons ahead. To learn more about UV levels throughout the year, visit Chemnitz UV Index.

Maximum UV Index Levels in Chemnitz for September

The chart shows the monthly maximum UV Index (UVI) for Chemnitz 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.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Chemnitz 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 Chemnitz

As the warm embrace of September unfolds in Chemnitz, Germany, residents can bask in an impressive 311 hours of sunshine, a delightful continuation of the sunny streak that peaks in the summer months. Following the vibrant displays of June and July, which boast over 400 hours of sunlight, September offers a gentle transition into autumn, still holding onto the warmth of summer while gradually introducing the crispness of fall. This month stands out as a bright beacon, outshining the cloudier October and November, but hinting at the seasonal shift ahead. With each passing week, the golden rays of September invite both locals and visitors alike to enjoy the scenic beauty and outdoor activities before winter's chill sets in, making it a perfect time to soak in the sun's last hurrah of the year.

Monthly Sunshine Duration in Chemnitz: September Highlighted

The September sunshine duration represents the total number of hours Chemnitz 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.
JanFebMarAprMayJunJulAugSepOctNovDec108h199h273h340h381h400h414h376h311h254h179h139h
Data source: Chemnitz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chemnitz During September

In Chemnitz, Germany, September stands out with a 37% chance of sunny weather, mirroring the optimism found in early spring months like March. As summer transitions into fall, the likelihood of sunshine remains consistent, indicating that this late-summer month offers one of the better opportunities for basking in pleasant weather. Interestingly, September's sunny prospects are among the higher percentages throughout the year, only slightly trailing behind the comparative peaks seen in March and October. This seasonal shift makes September a delightful time for outdoor activities, as the warmth of summer lingers, complemented by the crispness of approaching autumn.

Percentage of Sunny Days in September in Chemnitz

The chart illustrates the percentage of sunny days in Chemnitz 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 Chemnitz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%28%37%30%28%28%31%27%37%35%19%11%
Data source: Chemnitz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chemnitz in September

As summer transitions to autumn in Chemnitz, Germany, the daylight duration begins to decline. In September, locals enjoy approximately 12 hours of daylight, a noticeable shift from the 14 hours of August, as the days gradually shorten. This seasonal pattern highlights a gradual decrease that has been ongoing since the peak of 16 hours in June. With autumn approaching, the shorter days signal nature's transition, leading into October’s further reduction to 10 hours. Residents can savor the last glimpses of longer days while preparing for the cozy, dimmer months ahead.

Average Daylight Hours in Chemnitz for September

The chart illustrates the variation in daylight duration in Chemnitz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 30m16h 22m15h 55m14h 25m12h 34m10h 39m8h 57m8h 2m
Data source: Chemnitz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chemnitz

As summer fades into autumn, September in Chemnitz brings a noticeable shift in wind patterns. The average wind speed drops to 2.5 m/s (6 mph), marking a gentle transition from the slightly breezier months of May through August. This downward trend in wind speed highlights a gradual calmness settling over the city as it prepares for the cooler months ahead. Interestingly, this modest wind speed aligns with the quieter summer months, suggesting a seasonal lull before the winds pick up again as October approaches, where they return to an average of 3.5 m/s (8 mph). Overall, September serves as a bridge, softly whispering the changes of the coming autumn while echoing the lingering warmth of summer's end.

Average September Wind Speed in Chemnitz

The chart displays monthly wind speed patterns in Chemnitz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.23.43.33.82.32.52.82.5 m/s3.53.23.6
Data source: Chemnitz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chemnitz Compares to Other Months

The weather in Chemnitz 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 Chemnitz 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 1°C (34°F) to a pleasant maximum of 28°C (84°F), with an average of 14°C (57°F). This month sees moderate precipitation of 71 mm (2.8 in) over 11 days and a humidity level of 81%. In contrast, January is much colder, with temperatures dropping to a minimum of -17°C (2°F) and averaging at 0°C (32°F). The month experiences slightly higher precipitation at 84 mm (3.3 in) spread over 15 days, and humidity levels increase to 90%. For a more detailed look at January weather specifics, visit Chemnitz weather in January.

In September, the weather in Chemnitz is generally mild, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 28°C (84°F) and an average of 14°C (57°F). However, this month also sees significant humidity at 81% and 71 mm (2.8 in) of precipitation over 11 days. In contrast, February presents a much colder climate, with temperatures dropping to a minimum of -16°C (4°F) and peaking at 17°C (63°F), averaging just 1°C (34°F). This month experiences slightly less precipitation at 65 mm (2.6 in), but with higher humidity levels at 89% over the same number of days. For a closer look at the February weather patterns, you can visit Chemnitz weather in February.

In comparing the weather of September and March, a stark contrast emerges in both temperature and overall conditions. September offers a milder climate with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 28°C (84°F) and an average of 14°C (57°F), along with relatively lower humidity at 81%. In contrast, March is characterized by much cooler temperatures, with a minimum of -16°C (4°F) and a maximum of 20°C (68°F), averaging just 4°C (39°F). Despite similar total precipitation levels—71 mm (2.8 in) in September and 76 mm (3.0 in) in March—March experiences more rainy days, totaling 16 compared to September’s 11 days. For a detailed look at conditions specific to March, you can visit Chemnitz weather in March.

When comparing the weather in September and April, notable differences emerge in both temperature and precipitation patterns. September typically offers a warmer climate with an average temperature of 14°C (57°F) and highs reaching up to 28°C (84°F), while April is cooler, averaging 8°C (46°F) with maximum temperatures of 25°C (78°F). In terms of precipitation, September sees a higher total of 71 mm (2.8 in) over approximately 11 days compared to April's 48 mm (1.9 in) spread over 12 days. Both months share similar humidity levels at 81%, making them relatively damp, yet September generally feels warmer and wetter than April. For more detailed insights on April weather, you can check Chemnitz weather in April.

When comparing the weather in September and May, both months showcase a notable range of temperatures, yet they exhibit distinct characteristics. In September, temperatures fluctuate from a chilly minimum of 1°C (34°F) to a maximum of 28°C (84°F), with an average of 14°C (57°F). This month also experiences overcast conditions with about 71 mm (2.8 in) of precipitation spread across 11 days, along with high humidity at 81%. In contrast, May tends to start off colder, with a minimum temperature of -3°C (27°F) and an average of 12°C (53°F), peaking similarly at 28°C (83°F). May is wetter, with 92 mm (3.6 in) of precipitation over 15 days and lower humidity at 71%. For more details on the weather patterns, you can check out Chemnitz weather in May.

In comparing the weather of September and June, it is evident that both months display significant variances in temperature and precipitation. September typically has a milder average temperature of 14°C (57°F), peaking at 28°C (84°F), while June starts warmer with an average of 17°C (63°F) and can reach up to 33°C (92°F). Precipitation levels are relatively comparable, with September receiving about 71 mm (2.8 in) over 11 days and June slightly higher at 78 mm (3.1 in) over 13 days. Additionally, humidity is higher in September at 81%, in contrast to June's 75%. For a more detailed look at June weather, you can check out Chemnitz weather in June.

When comparing the weather in September and July, notable contrasts emerge. September generally experiences cooler temperatures with a minimum of 1°C (34°F) and an average of 14°C (57°F), while July boasts milder conditions, starting at a minimum of 5°C (42°F) and averaging 18°C (64°F). July also reaches higher maximum temperatures, peaking at 34°C (93°F), compared to September's maximum of 28°C (84°F). Furthermore, precipitation levels are slightly higher in July, with 85 mm (3.4 in) over 13 days versus September's 71 mm (2.8 in) across 11 days. In addition, September tends to be more humid at 81% compared to July's 74%. For more details on July's weather specifically, you can check Chemnitz weather in July.

September's weather shows a noticeable cool down compared to August, with minimum temperatures dropping from 5°C (42°F) in August to just 1°C (34°F) in September. The average temperature also falls from 18°C (65°F) in August to 14°C (57°F) in September, while maximum temperatures decrease from 33°C (92°F) to a more moderate 28°C (84°F). Additionally, September experiences slightly less precipitation at 71 mm (2.8 in) over 11 days, compared to August's 107 mm (4.2 in) over 14 days. However, September's humidity is a bit higher at 81%, compared to August's 76%. For a detailed look at August's weather, you can visit Chemnitz weather in August.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 28°C (84°F), and an average of 14°C (57°F). This month experiences around 71 mm (2.8 in) of precipitation over about 11 days, with humidity averaging 81%. In contrast, October sees a drop in temperatures, with a minimum of -2°C (28°F) and an average of 10°C (50°F), peaking at 23°C (74°F). Precipitation increases slightly to 85 mm (3.3 in) over 12 days, along with a slight rise in humidity to 85%. For more detailed weather information, you can visit Chemnitz weather in October.

In September, temperatures in Chemnitz typically range from a minimum of 1°C (34°F) to a maximum of 28°C (84°F), with an average temperature of around 14°C (57°F). The month experiences a fair amount of precipitation, totaling 71 mm (2.8 in) over 11 days, while humidity sits at 81%.

By November, the weather shifts significantly, with minimum temperatures dropping to -6°C (22°F), an average of 4°C (40°F), and a maximum of 17°C (63°F). Although precipitation decreases to 47 mm (1.9 in) over the same number of rainy days, humidity increases to 88%, creating a much colder and damp atmosphere. For more detailed information, you can check Chemnitz weather in November.

In September, the weather tends to be much warmer and more variable, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 28°C (84°F). This month experiences 71 mm (2.8 in) of precipitation over approximately 11 days and has a humidity level of 81%. In contrast, December is significantly colder, with temperatures dipping as low as -11°C (12°F) and averaging around 2°C (35°F). The precipitation increases to 89 mm (3.5 in) and occurs over about 17 days, along with a higher humidity level of 92%. For a more detailed look at what December weather entails, visit Chemnitz weather in December.

Compare Chemnitz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chemnitz

As September arrives in Chemnitz, the weather begins to shift, offering a mix of mild temperatures and increased humidity that distinguish it from the summer months. With an average low dipping to a brisk 1°C and maximums reaching up to a warm 28°C, you'll experience more comfortable days, yet the chances of rainfall become more frequent, as evidenced by around 11 wet days and a total precipitation of 71 mm. This transitional month sets the stage for autumn, drawing a line between the warmth of summer and the chill to come. To delve deeper into what makes Chemnitz's climate unique, visit Chemnitz Climate.