September Weather in Bodensee, Germany

Last updated: February 26, 2025

In September, the weather in Bodensee, Germany presents a delightful transition from summer to autumn. With maximum temperatures reaching 30°C (86°F), it offers a warm backdrop for outdoor activities, while the average temperature hovers around a comfortable 14°C (57°F). However, visitors should prepare for cooler nights, as temperatures can dip to a brisk 0°C (32°F). Rainfall is moderate, totaling 52 mm (2.0 in) over approximately 10 days, contributing to the region's lush landscapes. With humidity levels at 83%, the air carries a crisp freshness, making September an ideal month to experience the natural beauty and vibrant culture of Bodensee.

September Temperature in Bodensee

In September, Bodensee, Germany, experiences a delightful transition into early autumn, with temperatures ranging from a cool 0°C (32°F) to a warm 30°C (86°F). The average temperature sits comfortably at 14°C (57°F), providing a pleasant climate for outdoor activities. As the month progresses, the warm summer days gradually give way to cooler evenings, reflecting a notable dip from the sizzling highs of August. This month serves as a bridge, showcasing a significant decrease in temperature when compared to the peak summer months, while still allowing for enjoyable weather perfect for exploring the stunning lakeside scenery and charming villages. Thus, September embodies a fine balance, melding the remnants of summer warmth with the crispness of autumn.

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

The chart illustrates September temperature patterns in Bodensee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343540475463646557504137
Data source: Temperature data for Bodensee 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 Bodensee

In September, the Bodensee region of Germany experiences a transition toward autumn, marked by a precipitation amount of 52 mm (2.0 in) over approximately 10 days. This reflects a noticeable decline from the wetter summer months, where June and July recorded 78 mm (3.1 in) and 76 mm (3.0 in) respectively. The reduction in both rainfall and rainy days suggests a shift towards drier conditions as the year progresses, offering a brief respite before the wetter months ahead in October and December, which both average over 70 mm. This trend highlights the region's dynamic weather patterns, as Bodensee navigates the delicate balance between lingering summer warmth and the impending chill of autumn.

September Precipitation Trends in Bodensee

The chart displays monthly precipitation patterns in Bodensee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec697170416778767152734477
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bodensee

In Bodensee, Germany, September marks a subtle but notable transition in humidity levels. With humidity at 83%, it reflects a slight increase from the drier summer months of July and August, where levels stabilized around 79%. This seasonal uptick hints at the approach of autumn, as the measured humidity begins to trend upwards toward the wetter months ahead. The gradual rise in humidity from the crispness of spring—starting at a high of 91% in January through to 83% in September—suggests a cyclical pattern where the air grows increasingly denser as the year progresses. As Bodensee prepares to embrace the cooler, wetter days of fall, September stands as a reminder of nature's rhythm, balancing the warmth of summer with the impending chill of winter.

September Average Humidity in Bodensee

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

As September rolls in, the UV Index in Bodensee, Germany, registers a high level of 6, which indicates an increase in sun exposure risk compared to the late summer months. This marks a slight decline from the peak summer values of 7 and 8 seen in July and August, but caution is still advised since the burn time is around 25 minutes. Transitioning from the intense summer rays to the milder autumn sun, it’s essential to remain vigilant about sun protection, especially during outdoor activities. This month serves as a reminder of the changing seasons and highlights the importance of adjusting your sun safety strategies. For more details, check out the Bodensee UV Index.

Maximum UV Index Levels in Bodensee for September

The chart shows the monthly maximum UV Index (UVI) for Bodensee 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Bodensee 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 Bodensee

September in Bodensee, Germany, beautifully bridges the warmth of summer and the coolness of autumn, boasting 315 hours of sunshine. This month showcases a gentle decline from the exhilarating 406 hours in July, yet it remains robust compared to the earlier months of the year. With sunshine hours gradually tapering, September invites a calmer outdoor experience, perfect for enjoying the breathtaking lakeside views and the vibrant hues of autumn foliage. As daylight begins to wane, the allure of Bodensee is undeniable, making it a charming destination for those seeking a blend of moderate warmth and serene landscapes.

Monthly Sunshine Duration in Bodensee: September Highlighted

The September sunshine duration represents the total number of hours Bodensee 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h194h267h344h383h399h406h381h315h251h168h128h
Data source: Bodensee September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bodensee During September

As summer transitions into autumn, September in Bodensee, Germany, presents a promising 34% chance of sunny weather. This figure marks an increase compared to the preceding months of July and August, which hovered around 27% to 28%. It signals a delightful window for enjoying the picturesque landscapes and outdoor activities before the chill of winter sets in. While September's likelihood of sunshine is slightly lower than the earlier spring months like March, with its 35%, it still offers a notable chance for pleasant weather, inviting locals and visitors alike to bask in the lingering warmth of late summer.

Percentage of Sunny Days in September in Bodensee

The chart illustrates the percentage of sunny days in Bodensee 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 Bodensee experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%27%36%30%29%29%27%28%35%28%12%11%
Data source: Bodensee September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bodensee in September

As summer gracefully fades into autumn, September in Bodensee, Germany heralds a shift in daylight duration, with approximately 12 hours of sunlight bathing the landscape. This month marks a gradual tapering from the sun-drenched 16-hour days of June and July, reflecting nature's rhythmic transition. Although September offers more daylight than the winter months ahead—where sunlight dwindles to just 8 hours by November—it serves as a gentle reminder of the impending chill. The waning brightness, dropping from August's 14 hours, invites locals and visitors alike to savor the lingering warmth of summer while preparing for the cozy embrace of fall.

Average Daylight Hours in Bodensee for September

The chart illustrates the variation in daylight duration in Bodensee 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: Bodensee daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bodensee

As the September wind sweeps across Bodensee, Germany, it settles into a gentle rhythm, with an average speed of 2.5 m/s (6 mph). This marks a noticeable dip from the breezier months of May and August, where winds were slightly stronger, hinting at the transition to autumn. Interestingly, the summer months of June and July exhibited even calmer conditions with speeds of 2.2 m/s and 2.5 m/s, respectively. However, September’s mild breeze, a constant companion to the changing leaves, provides a tranquil backdrop, inviting both locals and visitors to relish in the serene beauty of the lake as the season shifts. The wind patterns hint at an overall cyclical nature, where the gentle September air sets the stage for the invigorating gusts that will return in October, reinvigorating the landscape as fall takes hold.

Average September Wind Speed in Bodensee

The chart displays monthly wind speed patterns in Bodensee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.03.33.33.72.22.53.02.5 m/s3.32.93.2
Data source: Bodensee September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bodensee Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (86°F) during the day, with an average of 14°C (57°F). The month enjoys 52 mm (2.0 in) of precipitation over about 10 days, accompanied by a relatively high humidity of 83%.

In contrast, January features much colder temperatures, with lows plunging to -16°C (3°F) and a daytime maximum of only 12°C (54°F), averaging around 1°C (34°F). This month experiences more precipitation, totaling 69 mm (2.7 in) over approximately 13 days, and an even higher humidity level of 91%. For a more detailed understanding of January's weather patterns, you can explore the Bodensee weather in January.

September and February showcase stark contrasts in weather conditions. September typically experiences a wide range of temperatures, with a minimum of 0°C (32°F) and a maximum of 30°C (86°F), making it a milder month with an average of 14°C (57°F). In contrast, February plunges into the cold, with minimum temperatures dropping to -19°C (-2°F) and an average of just 2°C (35°F). Additionally, September's precipitation totals 52 mm (2.0 in) over about ten days, while February sees slightly higher rainfall at 71 mm (2.8 in) over eleven days, coupled with increased humidity levels of 90%. For those looking for specific weather conditions in February, you can find more details here: Bodensee weather in February.

September and March present notably different weather patterns. In September, temperatures range from a minimum of 0°C (32°F) to a comfortable average of 14°C (57°F), peaking at 30°C (86°F). The month experiences 52 mm (2.0 in) of precipitation across about 10 days, with a relative humidity of 83%. In contrast, March is marked by colder conditions, featuring a minimum temperature of -14°C (7°F), an average of 4°C (40°F), and a maximum of 21°C (69°F). Precipitation in March is slightly higher at 70 mm (2.7 in), spread over 14 days, and the humidity is marginally higher at 88%. These differences highlight the transition from the warmth of late summer to the lingering chill of late winter. For more details on weather conditions in March, visit Bodensee weather in March.

When comparing the weather in September and April, it’s clear that September generally experiences warmer temperatures. September boasts a minimum temperature of 0°C (32°F) and averages around 14°C (57°F), reaching a maximum of 30°C (86°F), whereas April has lower temperatures, with a minimum of -5°C (23°F) and an average of 8°C (47°F), peaking at 25°C (78°F). Despite the warmth, September sees slightly more precipitation at 52 mm (2.0 in) over 10 days compared to April's 41 mm (1.6 in) over 9 days. Interestingly, humidity levels remain consistent at 83% for both months. For a closer look at April’s weather specifics, you can check out Bodensee weather in April.

In comparing the weather of September and May, we notice some interesting contrasts. September features a wider temperature range, with lows of 0°C (32°F) and highs reaching up to 30°C (86°F), while May experiences slightly cooler temperatures with a minimum of -1°C (31°F) and a maximum of 29°C (84°F). Precipitation levels are higher in May, averaging 67 mm (2.6 in) over 12 days, compared to September's 52 mm (2.0 in) over 10 days. Additionally, September exhibits higher humidity at 83%, compared to May's 75%. For a closer look at the weather specifics for May, you can visit Bodensee weather in May.

When comparing the weather in September and June, we see distinct variations. September experiences a broader temperature range, with minimums dipping to 0°C (32°F) and maximums reaching up to 30°C (86°F), while June maintains slightly warmer temperatures, with minimums at 3°C (37°F) and maximums peaking at 32°C (89°F). Precipitation in June is higher, totaling 78 mm (3.1 in) over 12 days, compared to September's 52 mm (2.0 in) across 10 days. Despite June having more rainfall, it features lower humidity at 79%, whereas September has a noticeably higher humidity level at 83%. For more details on June weather in this region, check out Bodensee weather in June.

When comparing the weather in September and July, several key differences emerge. September generally features a wider temperature range, with a minimum of 0°C (32°F) and a maximum of 30°C (86°F), resulting in an average temperature of about 14°C (57°F). In contrast, July experiences warmer temperatures, starting at a minimum of 6°C (43°F) and reaching up to 35°C (95°F), with an average of 18°C (64°F).

Precipitation also varies, with September receiving 52 mm (2.0 in) over about 10 days, while July has a higher total of 76 mm (3.0 in) over approximately 12 days. Humidity levels are slightly higher in September at 83%, compared to July's 79%. This comparison highlights July's typically warmer and wetter conditions in contrast to September's cooler and slightly drier weather. For a more detailed overview, you can check Bodensee weather in July.

September's weather shows a significant cooling trend compared to August. With minimum temperatures dropping to 0°C (32°F) and average highs reaching 30°C (86°F), September presents a more moderate climate, while August boasts warmer minimums of 6°C (44°F) and average highs of 34°C (94°F). Despite being the cooler month, September has less precipitation at 52 mm (2.0 in) over 10 days, compared to August's 71 mm (2.8 in) over 13 days. Humidity remains relatively high in both months, at 83% in September and slightly lower at 79% in August. For more insights into August weather, check out Bodensee weather in August.

September and October exhibit distinctly different weather patterns. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 30°C (86°F), with an average of 14°C (57°F) and relatively lower humidity at 83%. Precipitation occurs over about 10 days, totaling 52 mm (2.0 in). In contrast, October brings cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 25°C (77°F), resulting in a lower average of 10°C (50°F). The month experiences increased precipitation, with 73 mm (2.9 in) over 14 days and slightly higher humidity at 87%. For more detailed insights, you can check the Bodensee weather in October.

September and November present stark contrasts in weather patterns. September enjoys warmer temperatures, with a minimum of 0°C (32°F) and a comfortable average of 14°C (57°F), peaking at a toasty 30°C (86°F). Conversely, November sees a chillier climate, starting at -3°C (26°F) and averaging just 5°C (41°F), with a maximum of 19°C (66°F). Precipitation is slightly lower in November at 44 mm (1.7 in) over 11 days, compared to September's 52 mm (2.0 in) across 10 days. Additionally, November's humidity rises to 90%, creating a damp atmosphere, compared to September’s 83%. For more details, check out Bodensee weather in November.

September typically offers a warm transition from summer, with temperatures ranging from a chilly 0°C (32°F) at night to a pleasant average of 14°C (57°F) during the day, peaking at a comfortable 30°C (86°F). The month sees around 52 mm (2.0 in) of precipitation over about 10 days, complemented by relatively high humidity at 83%. In contrast, December ushers in the cold of winter, with temperatures dropping significantly; the minimum can reach -10°C (15°F) and the average sits around 3°C (37°F), peaking at a milder 13°C (55°F). December also experiences higher precipitation levels at 77 mm (3.0 in) over 16 days, and an increase in humidity to 92%. For more detailed information on December weather, check out Bodensee weather in December.

Compare Bodensee's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bodensee

As September unfolds at Bodensee, it welcomes a remarkable transition into autumn, bringing with it cooler temperatures and an increased chance of rain compared to the summer months. The days are still relatively warm, occasionally reaching a maximum of 30°C (86°F), but the average temperature shifts to a more refreshing 14°C (57°F), hinting at the seasonal change. While you may experience a sprinkling of rain with 10 days of precipitation, the humidity lingers around a high 83%, fostering a crisp ambiance that adds to the lake's enchanting autumn charm. For a deeper dive into how September compares across the seasons, explore the full details in Bodensee Climate.