September Weather in Mohnesee, Germany

Last updated: February 26, 2025

In September, Mohnesee, Germany experiences a diverse range of weather conditions that beautifully highlight the transition from summer to autumn. With a maximum temperature reaching 30°C (86°F), visitors can enjoy warm, sunny days, while the average temperature settles at a comfortable 14°C (58°F). However, the month can also bring cooler spells, with minimum temperatures dipping to 0°C (33°F). Rainfall averages 63 mm (2.5 in) over 12 days, contributing to the area's lush scenery, while humidity remains notably high at 82%. This blend of warm days and occasional showers creates a unique and vibrant atmosphere, perfect for exploring the stunning landscapes surrounding the lake.

September Temperature in Mohnesee

September in Mohnesee, Germany, marks a beautiful transition as summer gradually yields to the crispness of autumn. With minimum temperatures around 0°C (33°F) and average highs reaching 30°C (86°F), the month showcases a delightful blend of lingering warmth and mild coolness. This period often brings comfortable days perfect for outdoor activities, with an average temperature of 14°C (58°F), making it one of the more pleasant times of the year. Unlike the drastic temperature shifts of earlier months, September maintains a cozy atmosphere, inviting residents and visitors alike to embrace the stunning natural scenery as the leaves start to change.

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

The chart illustrates September temperature patterns in Mohnesee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363842485564646557524339
Data source: Temperature data for Mohnesee 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 Mohnesee

In September, Mohnesee experiences a shift in precipitation, with 63 mm (2.5 in) of rain falling over 12 days. This amount is a notable decrease compared to the summer months, where precipitation often peaks, particularly in July and August with 96 mm (3.8 in) and 90 mm (3.5 in) respectively. As summer transitions to autumn, the wettest months begin to taper off, while the number of rainy days remains relatively stable. With the drier spell in September, residents can anticipate a shift towards cooler, crisper days ahead, hinting at the seasonal changes yet to come. This trend sets the stage for October, often bringing a resurgence in rain, as the region prepares for the wetter months of autumn.

September Precipitation Trends in Mohnesee

The chart displays monthly precipitation patterns in Mohnesee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8784884882729690639057103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mohnesee

As summer fades and autumn approaches, September brings a noticeable shift in humidity levels to Mohnesee, Germany. After enjoying relatively low humidity during the warmer months, which hovered around 74% to 76% from June to August, the air becomes more saturated with moisture, rising to 82% in September. This change signifies the onset of fall, as the humidity begins its gradual climb towards the higher levels of 88% in October and peaks at 92% in December. Overall, September serves as a bridge, reconnecting residents to the damp, crisp feel of the approaching season while tapering off the dry spell felt throughout the summer.

September Average Humidity in Mohnesee

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

As summer fades into autumn, September in Mohnesee, Germany, offers a moderate UV Index of 5, indicating it's important to stay mindful of sun exposure. With a burn time of 30 minutes, the risk of skin damage remains significant, making it essential for outdoor enthusiasts to take precautions during this transitional month. After the peak of summer, where UV levels soared to 8, September's decline reflects a gradual shift towards lower UV radiation, but vigilance is still key. Enjoy the beauty of the changing seasons, but don’t forget to check the forecast and stay protected! For more details on UV levels throughout the year, visit Mohnesee UV Index.

Maximum UV Index Levels in Mohnesee for September

The chart shows the monthly maximum UV Index (UVI) for Mohnesee 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Mohnesee 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 Mohnesee

As summer fades and autumn begins, September in Mohnesee, Germany offers a delightful balance of warmth and crispness, boasting around 310 hours of sunshine. This marks a noticeable decline from the summer peak in July, which enjoyed 400 hours of radiant light, but still shines brighter than the dimmer days of winter. The transition from August, with its 377 hours, is subtle yet significant, suggesting a gentle shift into fall. With the sun dipping lower on the horizon, September invites locals and visitors alike to bask in the last golden rays before the cooler months set in, making it an ideal time for outdoor adventures and scenic strolls by the lake. As the sunshine wanes, the beauty of Mohnesee continues to captivate, embodying the charm of a European autumn.

Monthly Sunshine Duration in Mohnesee: September Highlighted

The September sunshine duration represents the total number of hours Mohnesee 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.
JanFebMarAprMayJunJulAugSepOctNovDec91h190h249h344h383h386h400h377h310h224h161h104h
Data source: Mohnesee September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mohnesee During September

In Mohnesee, Germany, September offers a more promising outlook for sunny days compared to the summer months, boasting a 36% chance of sunshine. As the warmth of summer transitions into the cooler autumn air, the likelihood of clear skies begins to rise, surpassing August's 30%. Overall, September stands out as a bridge between seasons, allowing residents and visitors to enjoy the last rays of summer before the onset of the cloudier months like October, which sees a drop to 24%. With a notable increase in sunny weather potential, September is an ideal time to embrace outdoor activities amid the tranquil beauty of Mohnesee.

Percentage of Sunny Days in September in Mohnesee

The chart illustrates the percentage of sunny days in Mohnesee 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 Mohnesee experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%27%38%33%28%27%28%30%36%24%19%16%
Data source: Mohnesee September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mohnesee in September

As summer bids farewell in September, the enchanting region of Mohnesee, Germany, welcomes a gentle transition in daylight hours. With approximately 12 hours of daylight, September marks a noticeable decline from the sun-drenched days of July and June, where daylight peaked at 16 hours. This month serves as a bridge between the exuberance of summer and the more subdued atmosphere of autumn, reflecting a gradual decrease in light as days shorten moving towards winter. As September progresses, residents and visitors alike can relish the lingering warmth of early autumn while preparing for the cozy, crisp days ahead, where daylight will further dwindle to just 10 hours by October.

Average Daylight Hours in Mohnesee for September

The chart illustrates the variation in daylight duration in Mohnesee throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 23m9h 58m11h 54m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Mohnesee daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Mohnesee

As summer gently wanes in Mohnesee, Germany, September brings a subtle shift in wind patterns, with an average speed of 2.7 m/s (6 mph)—one of the quieter months of the year. This slight dipping trend follows the breezier days of May and August, which hovered around 3.9 m/s and 3.2 m/s, respectively. Interestingly, September sits just above the calmest months of June and July, where winds barely stirred at 2.5 m/s and 2.8 m/s. As autumn approaches, one can expect a gradual return to more vigorous winds in October, highlighted by an increase to 4.3 m/s (10 mph). This rhythm reflects the seasonal transition, weaving a tapestry of shifting breezes that dance across the serene landscape of Mohnesee.

Average September Wind Speed in Mohnesee

The chart displays monthly wind speed patterns in Mohnesee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.03.63.23.92.52.83.22.7 m/s4.33.34.0
Data source: Mohnesee September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Mohnesee Compares to Other Months

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

In September, temperatures in the Mohnesee area show a wide range, with minimums around 0°C (33°F) and maximums peaking at 30°C (86°F), leading to an average of 14°C (58°F). The weather is relatively humid at 82%, with an average of 63 mm (2.5 in) of precipitation over about 12 days. In contrast, January weather is significantly colder, with minimum temperatures dropping to -12°C (10°F) and average highs reaching only 13°C (57°F), resulting in a chilly average of 2°C (36°F). The humidity increases slightly to 92%, and precipitation levels also rise, totaling 87 mm (3.4 in) over approximately 14 days. For more detailed insights, you can check Mohnesee weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 30°C (86°F), with an average of 14°C (58°F). This month experiences 63 mm (2.5 in) of precipitation over about 12 days and has a humidity level around 82%. In contrast, February is much colder, featuring a temperature range between -17°C (2°F) and 19°C (67°F), with an average temperature of just 3°C (38°F). This month sees slightly higher precipitation at 84 mm (3.3 in) over 13 days and a higher humidity level of 90%. Overall, February is characterized by its chilly temperatures and damp conditions, while September offers warmer and more varied weather. For more details about February weather, check out Mohnesee weather in February.

When comparing the weather in September and March, notable differences emerge in temperature and precipitation patterns. September enjoys milder temperatures with a minimum of 0°C (33°F), an average of 14°C (58°F), and a maximum of 30°C (86°F), making it generally more pleasant. In contrast, March starts much colder, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 21°C (71°F), typically averaging around 6°C (42°F). Additionally, March experiences slightly higher precipitation levels, totaling 88 mm (3.5 in) across 16 days, compared to September's 63 mm (2.5 in) over 12 days. The humidity is relatively consistent between the two months, with September at 82% and March at 87%. For more detailed insights on the weather during March, you can check Mohnesee weather in March.

When comparing the weather in September and April, we notice a distinct contrast in temperatures and precipitation. September typically experiences milder conditions, with average temperatures around 14°C (58°F) and maximums reaching up to 30°C (86°F), while April sees cooler averages of 9°C (48°F) and maximums of 26°C (80°F). Although both months feature a similar number of rainy days, September has a slightly higher total precipitation of 63 mm (2.5 in) compared to April's 48 mm (1.9 in). Furthermore, humidity levels are comparable, with September at 82% and April slightly higher at 83%. For more detailed insights into the weather specifics during April, you can check Mohnesee weather in April.

When comparing the weather of September and May, we see some notable differences. September typically offers warmer temperatures, with a minimum of 0°C (33°F) and a maximum of 30°C (86°F), while May sees slightly cooler temperatures, ranging from -1°C (31°F) to a maximum of 31°C (88°F). In terms of precipitation, May experiences slightly higher rainfall at 82 mm (3.2 in) over 13 days compared to September's 63 mm (2.5 in) over 12 days. Additionally, September has higher humidity levels at 82%, whereas May's humidity is a bit lower at 76%. For a closer look at the weather specifics during May in this region, check out Mohnesee weather in May.

When comparing the weather in September and June, we can observe some notable differences. September experiences a wider temperature range, with minimums dropping to 0°C (33°F) and maximums reaching 30°C (86°F), while June boasts a slightly higher average temperature of 18°C (64°F) and a minimum of 5°C (41°F). Precipitation levels in both months are fairly similar, with September receiving 63 mm (2.5 in) over 12 days and June slightly higher at 72 mm (2.8 in) over 13 days. Additionally, humidity in September is notably higher at 82%, compared to June's 74%. For a more detailed look at June's weather specifics, you can visit Mohnesee weather in June.

When comparing the weather in September to July, notable differences emerge. September experiences a broader temperature range, with minimums dropping to 0°C and maximums reaching 30°C, while July consistently maintains milder nights with a minimum of 7°C and hotter days that peak at 36°C. Precipitation is higher in July, totaling 96 mm, compared to September's 63 mm, though both months see a similar number of rainy days. Humidity is also higher in September at 82%, compared to July's 74%, which can make the atmosphere feel quite different. For a more detailed look at July weather, you can visit this link: Mohnesee weather in July.

In comparing the weather of September to August, we can observe some notable differences. September experiences a wider temperature range, with minimums dropping to 0°C (33°F) and average temperatures around 14°C (58°F), while August maintains milder temperatures with minimums at 7°C (44°F) and an average of 18°C (65°F). Additionally, the maximum temperatures in August can reach up to 35°C (95°F), significantly higher than September's maximum of 30°C (86°F). Precipitation levels are also slightly higher in August, totaling 90 mm (3.5 in) over 15 days, compared to September's 63 mm (2.5 in) over 12 days. Moreover, humidity remains higher in September at 82%, in contrast to August's 75%. For more details about August weather, you can visit Mohnesee weather in August.

In comparing the weather of September and October, it's evident that October tends to be cooler and wetter. While September features an average temperature of 14°C (58°F) with maximums reaching up to 30°C (86°F), October averages drop to 11°C (52°F) and peaks at 25°C (78°F). Additionally, precipitation increases in October to 90 mm (3.6 in) over 16 days, compared to 63 mm (2.5 in) over 12 days in September. Humidity also rises, reaching 88% in October from 82% in September. For more detailed information, you can check Mohnesee weather in October.

Comparing the weather of September and November reveals a notable seasonal transition. In September, temperatures range from a minimum of 0°C (33°F) to a warm maximum of 30°C (86°F), with an average of 14°C (58°F), making it a generally milder month. In contrast, November experiences cooler weather, with temperatures dipping to a low of -4°C (25°F) and averaging around 6°C (43°F), peaking at 19°C (66°F). While both months have similar precipitation levels, September sees slightly more rain (63 mm) compared to November (57 mm), although both months also experience around 12 days of rain. Additionally, November's humidity is higher at 90%, compared to September's 82%, contributing to the overall chillier feel of the late autumn month. For more specific conditions in the Möhnesee region, check out Mohnesee weather in November.

September and December exhibit striking differences in weather patterns. In September, temperatures range from a pleasant minimum of 0°C (33°F) to a maximum of 30°C (86°F), creating an average of 14°C (58°F). The month sees about 63 mm (2.5 in) of precipitation over 12 days, accompanied by a relatively comfortable humidity level of 82%. In contrast, December is much colder, with temperatures dipping as low as -6°C (21°F) and only reaching a maximum of 14°C (57°F), resulting in an average temperature of just 4°C (39°F). This month experiences increased precipitation of 103 mm (4.1 in) over 20 days, higher humidity at 92%, and a more pronounced winter chill. For more details, you can refer to Mohnesee weather in December.

Compare Mohnesee's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Mohnesee

In September, Mohnesee experiences a delightful transition from the warm summer months to the cooler embrace of autumn, showcasing a unique blend of temperatures that can reach as high as 30°C during the day but can dip to a brisk 0°C at night. This month stands out with an average temperature around 14°C, offering a refreshing but comfortable climate ideal for outdoor activities. While rainfall occurs on approximately 12 days, contributing to a total of 63 mm of precipitation, the humidity remains relatively high at 82%, adding a touch of moisture to the air. Compared to the preceding summer months, September brings a notable shift towards cooler weather and an increased likelihood of rain, making it perfect for those who enjoy the crispness of early autumn. For more insights into weather patterns throughout the year, visit Mohnesee Climate.