September Weather in Dessau, Germany

Last updated: February 26, 2025

In September, Dessau, Germany experiences a remarkable range of temperatures, with maximums reaching 33°C (92°F), while average conditions hover around a comfortable 16°C (61°F). The month showcases the transition from warm summer days to cooler autumn evenings, with lows dipping to 3°C (38°F). Visitors can expect some rainfall, as 47 mm (1.9 in) of precipitation typically falls across 7 days, contributing to a relatively high humidity level of 83%. This blend of warmth and moisture creates a vibrant atmosphere, perfect for enjoying the beauty of the changing seasons.

September Temperature in Dessau

As September rolls into Dessau, Germany, you can expect a delightful transition from the sweltering summer heat to the refreshing early autumn breeze. With minimum temperatures around 3°C (38°F) and averaging 16°C (61°F), it marks a significant drop from the scorching highs of the previous months. The maximum temperatures can still reach a warm 33°C (92°F), allowing for those last sun-soaked days before fall settles in. This month beautifully balances the lingering warmth of summer while gently welcoming the cooler air, making it an ideal time for outdoor explorations amidst the changing foliage. As jackets come out and the days grow shorter, September in Dessau offers a perfect blend of warmth and crispness, inviting both residents and visitors to enjoy the captivating charm of early autumn.

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

The chart illustrates September temperature patterns in Dessau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363842495768686860534339
Data source: Temperature data for Dessau 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 Dessau

September in Dessau, Germany, marks a gentle transition into autumn, with precipitation averaging 47 mm (1.9 in) over the month. This amount reflects a steady decrease compared to the wetter summer months, where July and August saw higher totals at 72 mm and 64 mm respectively. Interestingly, September also recorded just 7 rainfall days, the lowest of the year so far, suggesting that while the skies may still release some moisture, the overall pattern leans towards drier conditions as the season shifts. This trend hints at a gradual move towards crisp, clear days and the vibrant hues of fall, inviting both locals and visitors to enjoy the beauty of Dessau's changing landscape.

September Precipitation Trends in Dessau

The chart displays monthly precipitation patterns in Dessau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec494853305349726447534057
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Dessau

September in Dessau, Germany, welcomes a slight increase in humidity, rising to 83% after the consistent levels of 79% experienced during the summer months. This gradual uptick signals the transition into the cooler season, as the humidity starts to climb towards autumn's averages. As the year progresses, the autumn months see humidity levels creeping up, notably reaching 87% in October. This trend underscores the characteristic pattern in Dessau, where the summer's fleeting warmth gradually gives way to the crisp, dew-laden air of fall, painting a picturesque seasonal shift. With September's humidity marking a transitional point, residents can expect a blend of lingering summer warmth and the refreshing onset of autumn's embrace.

September Average Humidity in Dessau

This chart illustrates the average monthly humidity levels in Dessau, 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 Dessau

In September, Dessau, Germany experiences a moderate UV Index of 5, making it essential for outdoor enthusiasts to take precautionary measures when enjoying the waning summer sun. With a burn time of 30 minutes, this month's UV exposure is notably lower than the very high levels recorded in the peak summer months of June and July, which saw an index of 8. As the season shifts, individuals can look forward to a more temperate UV environment, similar to the earlier months of April and March, providing a balance between sun enjoyment and safety. For more details on UV conditions throughout the year, visit Dessau UV Index.

Maximum UV Index Levels in Dessau for September

The chart shows the monthly maximum UV Index (UVI) for Dessau 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: Dessau 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 Dessau

As September unfolds in Dessau, Germany, it offers a delightful symphony of sunshine, with 319 hours of radiant daylight gracing the month. After the brilliant peak of summer, where June and July basked in over 400 hours, the gradual decline begins, yet September still holds a warm embrace of light and warmth. This transition marks a significant change, as the vibrant energy of summer gives way to the softer hues of autumn, highlighted by a respectable amount of sunshine. With the cooler October approaching, which sees a further drop to 262 hours, September serves as a gentle reminder of the fading summer days, inviting residents and visitors to enjoy the lingering warmth before winter takes hold.

Monthly Sunshine Duration in Dessau: September Highlighted

The September sunshine duration represents the total number of hours Dessau 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.
JanFebMarAprMayJunJulAugSepOctNovDec109h193h276h346h392h411h410h382h319h262h183h141h
Data source: Dessau September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dessau During September

As September rolls into Dessau, Germany, the likelihood of experiencing sunny weather begins to rise, with a 35% chance of sunshine. This slight increase marks a favorable shift compared to the previous summer months, where sunshine probabilities hovered around 28% and 33%. It signals a gradual transition from summer's warmth towards the cooler fall season. While the chance of sunny days is still overshadowed by the earlier months of spring, September stands out as a promising time for outdoor activities, offering a delightful opportunity to soak up the sun before winter sets in.

Percentage of Sunny Days in September in Dessau

The chart illustrates the percentage of sunny days in Dessau 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 Dessau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%28%38%32%33%33%28%28%35%36%19%17%
Data source: Dessau September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dessau in September

As September unfolds in Dessau, Germany, the daylight hours begin to gradually wane, offering 12 hours of light each day. This transitional month marks a shift from the sun-drenched days of summer, where June and July bask in a generous 16 hours of daylight, to the crisp, shorter days of autumn approaching. While September’s daylight still provides a generous amount compared to the winter months ahead, it signals the end of the vibrant, sunlit days as the year gradually shifts to darker seasons, with October reducing to 10 hours and November further plunging to 8 hours. This ebbing of daylight invites a chance to savor the lingering warmth of early fall while preparing for the cozy tranquility of the upcoming months.

Average Daylight Hours in Dessau for September

The chart illustrates the variation in daylight duration in Dessau throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 54m15h 39m16h 33m16h 4m14h 31m12h 35m10h 36m8h 49m7h 52m
Data source: Dessau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dessau

As the summer fades into autumn, September in Dessau, Germany greets residents and visitors with a gentle breeze, characterized by an average wind speed of 2.6 m/s (6 mph). This marks a noticeable decline from the more vibrant winter and spring months, where winds briskly danced around 3.3 to 3.7 m/s. The drop in wind speed is particularly pronounced after a blustery late spring, reflecting a transition into the quieter, calmer days of early autumn. While the winds of October are expected to pick up again, September offers a soothing interlude, encouraging leisurely strolls beneath the colorful changing leaves, making it a delightfully serene time to experience the charm of this historical city.

Average September Wind Speed in Dessau

The chart displays monthly wind speed patterns in Dessau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.23.33.43.72.42.82.92.6 m/s3.43.23.3
Data source: Dessau September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dessau Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a mild 3°C (38°F) to a warm 33°C (92°F), averaging around 16°C (61°F). The month sees a moderate amount of precipitation at 47 mm (1.9 in) over 7 days, accompanied by relatively high humidity at 83%. In contrast, January experiences much colder temperatures, with a low of -10°C (15°F), an average of 2°C (36°F), and a maximum of only 14°C (58°F). Precipitation slightly increases to 49 mm (1.9 in) over 11 days, while humidity rises to 91%. For a closer look at January weather specifics, you can visit Dessau weather in January.

In September, temperatures vary significantly, with a minimum of 3°C (38°F) and reaching a pleasant average of 16°C (61°F), peaking at a warm 33°C (92°F). The month experiences relatively low precipitation at 47 mm (1.9 in) over about 7 days, accompanied by high humidity levels around 83%. In contrast, February is much colder, with temperatures ranging from a low of -15°C (5°F) to a maximum of 19°C (67°F) and an average of just 3°C (38°F). Precipitation is slightly higher at 48 mm (1.9 in), occurring over about 10 days, and humidity rises to 90%. For more specific insights into February weather, check out Dessau weather in February.

When comparing the weather in September and March, notable differences emerge. September generally features milder temperatures with a minimum of 3°C (38°F) and an average of 16°C (61°F), peaking at a warm 33°C (92°F). This month experiences less precipitation, totaling around 47 mm (1.9 in) over approximately 7 days, accompanied by a relatively comfortable humidity level of 83%.

In contrast, March brings significantly colder conditions, with temperatures dropping to a minimum of -12°C (11°F) and an average of just 5°C (42°F). The maximum temperature reaches 22°C (72°F), indicating a slow warming trend as winter fades. March sees slightly higher precipitation, measuring 53 mm (2.1 in) over about 13 days, and has a higher humidity of 88%.

For a detailed look at the weather specifics for March, you can visit Dessau weather in March.

When comparing the weather in September and April, several key differences emerge. September often experiences a wider temperature range, with minimums around 3°C (38°F) and maximums peaking at 33°C (92°F), leading to an average of 16°C (61°F). In contrast, April starts with cooler temperatures, featuring minimums of -4°C (25°F) and maximums reaching 27°C (80°F), resulting in a cooler average of 10°C (49°F). While September sees a bit more rainfall at 47 mm (1.9 in) over 7 days, April has slightly less precipitation at 30 mm (1.2 in) over 8 days. Both months share the same humidity level of 83%, contributing to a similar feel of moisture in the air. For more details on April weather, check out Dessau weather in April.

In comparing the weather of September and May, September tends to have a higher maximum temperature, reaching up to 33°C (92°F), while May's peak temperature is slightly lower at 32°C (89°F). However, May experiences cooler average temperatures, with a minimum of 0°C (32°F) compared to September's minimum of 3°C (38°F). Precipitation levels are relatively close, with September receiving 47 mm of rain over 7 days and May slightly wetter at 53 mm over 10 days. Additionally, humidity is higher in September at 83%, while May maintains a lower humidity level of 75%. For more detailed information, you can refer to Dessau weather in May.

In comparing the weather between September and June, September tends to have a broader temperature range, with a minimum of 3°C (38°F) and maximum reaching 33°C (92°F), while June starts at a slightly higher minimum of 5°C (41°F) and peaks at a warmer 36°C (97°F). The average temperature in September is 16°C (61°F), whereas June enjoys a more moderate average of 20°C (68°F). Both months have similar precipitation levels, with September receiving 47 mm (1.9 in) over 7 days and June slightly higher at 49 mm (1.9 in) over 9 days. Humidity levels are also comparable, with September at 83% and June slightly lower at 79%. For more detailed insights into June weather, you can check this link: Dessau weather in June.

When comparing the weather between September and July, several notable differences emerge. September experiences a wider temperature range, with minimums dropping to 3°C (38°F) and maximums reaching up to 33°C (92°F), resulting in an average temperature of 16°C (61°F). In contrast, July features warmer temperatures, with a minimum of 9°C (48°F), an average of 20°C (68°F), and maximums hitting as high as 38°C (100°F). Precipitation is also more prevalent in July, with 72 mm (2.8 in) over 11 days, compared to 47 mm (1.9 in) over 7 days in September. Humidity levels are comparably high, with September at 83% and July slightly lower at 79%. For a closer look at July weather specifics, check out Dessau weather in July.

In September, temperatures show a notable drop compared to August, with a minimum of 3°C (38°F) and an average of 16°C (61°F), while August features a warmer minimum of 7°C (46°F) and an average of 20°C (69°F). The maximum temperature also dips in September, peaking at 33°C (92°F) compared to August’s higher maximum of 36°C (97°F). Additionally, September experiences slightly less precipitation at 47 mm (1.9 in) over 7 days, in contrast to August's 64 mm (2.5 in) over 11 days. Humidity remains relatively high in both months, with September at 83% and August at 79%. For more detailed information about August weather, you can visit Dessau weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 33°C (92°F), with an average of 16°C (61°F). The month experiences about 47 mm (1.9 in) of precipitation over 7 days, accompanied by a humidity level of 83%. In contrast, October brings colder temperatures, with a minimum of -2°C (29°F) and an average of 12°C (53°F), peaking at 25°C (78°F). Rainfall increases slightly to 53 mm (2.1 in) over 12 days, while humidity rises to 87%. For more detailed information about the weather conditions in October, you can refer to Dessau weather in October.

September and November exhibit significant differences in weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 33°C (92°F), with an average of 16°C (61°F), creating a generally warmer atmosphere. In contrast, November sees much cooler conditions, with temperatures dropping to a minimum of -4°C (26°F) and an average of just 6°C (44°F), peaking at 20°C (69°F). Additionally, while September experiences about 47 mm (1.9 in) of precipitation over approximately 7 days, November has slightly less rain at 40 mm (1.6 in) but spans over 9 days. Humidity levels also rise in November to 90%, compared to September's 83%. For more detailed information, check out Dessau weather in November.

In September, temperatures range from a mild 3°C (38°F) at night to a warm 33°C (92°F) during the day, with an average of 16°C (61°F). The month experiences relatively less rainfall at 47 mm (1.9 in) over about 7 days, with humidity levels around 83%. In contrast, December sees a significant drop in temperatures, with lows plummeting to -11°C (12°F) and daytime highs averaging 4°C (39°F), peaking at 14°C (57°F). Although precipitation increases slightly to 57 mm (2.2 in) over approximately 15 days, the humidity rises to 92%. For a closer look at the weather specifics, visit Dessau weather in December.

Compare Dessau's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dessau

As September rolls into Dessau, the weather presents a delightful transition, showcasing milder temperatures compared to the sweltering summer months. With maximum highs reaching 33°C (92°F) earlier in the month, it can start off feeling quite warm, yet the average temperature settles comfortably around 16°C (61°F). The contrast between the warm days and cooler nights, where temperatures can dip to 3°C (38°F), adds a refreshing chill to the air, perfect for cozy evenings. The month does see a modest amount of precipitation—47 mm (1.9 in)—spread across about seven days, contributing to the lush greenery of autumn. With an 83% humidity level, the air remains richly textured, signaling the end of summer's heat while gently nudging nature towards its beautiful fall transformation. For a deeper dive into the evolving climate patterns of this charming city, visit Dessau Climate.