Last updated: February 26, 2025
September in Bad Mergentheim, Germany offers a delightful mix of warm and cool temperatures, with daily highs reaching up to 30°C (86°F) and average temperatures settling around 15°C (59°F). Visitors can expect a refreshing change, as the month dips to a chilly 3°C (37°F) at night. While rain may grace the area with 49 mm (1.9 in) of precipitation over 8 days, the 85% humidity ensures the air feels crisp yet comfortable. This month is perfect for those who enjoy a blend of summer warmth and autumn's early whispers, making it a charming time to explore the scenic beauty of Bad Mergentheim.
As September unfolds in Bad Mergentheim, Germany, the transition from the sultry summer months to the crisp embrace of autumn begins to take shape. With minimum temperatures hovering around 3°C (37°F), the cooler air awakens the senses, while average daily highs still reach a pleasant 30°C (86°F), hinting at the lingering warmth of summer. This month showcases a delightful balance, with temperatures gradually dropping from the summer peaks but remaining comfortable enough for outdoor activities. The transition is evident as the average temperature settles at 15°C (59°F), giving way to cozy sweater weather and the vibrant hues of fall foliage, making September an enchanting time to explore the charm of this picturesque town.
In September, Bad Mergentheim experiences a noticeable drop in precipitation, accumulating just 49 mm (1.9 in) over 8 days, making it one of the driest months of the year. This reduction follows a relatively wet summer, where rainfall peaked in May and June with 88 mm (3.5 in) and 86 mm (3.4 in), respectively. The trend suggests a gradual transition into autumn, as the region prepares for the wetter conditions that typically accompany the later months of the year, such as December, which sees a significant increase with 105 mm (4.1 in). Overall, September’s moderate rainfall hints at the onset of seasonal change while providing a brief respite from the previous summer's showers.
In September, Bad Mergentheim experiences a noticeable shift in humidity levels, settling at a comfortable 85%. This marks a slight increase from the summer months, where humidity hovered around the low to mid-80s. Following a trend observed throughout the year, September serves as a transitional period; as autumn approaches, humidity begins to ascend from the relative lows of late spring and summer. This gentle rise contrasts with the higher humidity levels seen in the winter months, suggesting a return to a more damp climate. Overall, the September humidity in Bad Mergentheim is a preview of the wetter days ahead, fostering a rich atmosphere that characterizes the onset of fall.
As summer gives way to autumn, the September UV Index in Bad Mergentheim, Germany, holds steady at 6, categorized as high. This marks a slight decline from the peak of 8 seen during the summer months, but caution is still advised, with an approximate burn time of 25 minutes for those with fair skin. Throughout the year, UV exposure trends demonstrate a clear seasonal shift: the index begins low in January at 2 and gradually escalates to its highest levels in May through July, before tapering off again in the fall. With harmful UV rays remaining potent well into September, it's essential to stay vigilant and protect your skin. For more detailed insights, check out the Bad Mergentheim UV Index.
UV Risk Categories
In September, Bad Mergentheim enjoys a pleasant transition into autumn, basking in approximately 317 hours of sunshine. This month marks a decline from the peak summer months, especially from July's impressive 409 hours. Despite this decrease, September remains bright, offering more sun than both October and November, which dip significantly to 254 and 178 hours, respectively. It’s a time when the golden hues of the leaves begin to emerge, setting a picturesque scene that invites both locals and visitors to savor the lingering warmth before the cooler months set in. The consistency of sunshine hours throughout the year reveals the region's charm, with each season presenting its own unique beauty and opportunities for outdoor exploration.
In September, Bad Mergentheim enjoys a favorable 42% chance of sunshine, marking a significant improvement compared to the cooler months before it. This month stands out as one of the sunnier times of the year, aligning closely with the spring months of March and April. While May and August feature similar conditions, September offers a unique blend of warmth and brightness, making it ideal for outdoor activities. As autumn approaches, the likelihood of sun provides a last hurrah for summer vibes, setting the stage for delightful days before the dreariness of autumn settles in.
As summer gracefully transitions into autumn in Bad Mergentheim, Germany, September marks a turning point in daylight duration. After basking in up to 16 hours of sunshine in June, the days gradually shorten, providing 12 hours of daylight this month. This reduction reflects the natural ebb and flow of the seasons, as daylight hours decrease from 15 hours in July to 14 hours in August. The gentle decline continues into October, where daylight dips further to 10 hours. September serves as a beautiful bridge, allowing residents to savor the last hints of summer warmth while preparing for the cozy, shorter days of autumn.
In September, Bad Mergentheim experiences a gentle shift in its wind patterns, with an average speed of 2.1 m/s (5 mph). This marks a noticeable decline from the breezier months of early summer, suggesting a transition towards the calmness of autumn. As summer's lively gusts dissipate, September's softer winds create an inviting atmosphere for those enjoying the seasonal changes, while also highlighting a broader trend of lower wind speeds in this time of year. Compared to the earlier spring months, where wind speeds hovered around 3.1 m/s, the prevailing September breezes embody a peaceful prelude to the winter winds ahead.
The weather in Bad Mergentheim 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 Bad Mergentheim and find detailed weather information for every month.
September and January present notably contrasting weather patterns. In September, temperatures range from a mild low of 3°C (37°F) to a warm high of 30°C (86°F), with an average temperature of 15°C (59°F). The month typically experiences about 49 mm (1.9 in) of precipitation over 8 days, accompanied by relatively high humidity at 85%. In contrast, January is much colder, with temperatures dipping to a minimum of -14°C (8°F) and only reaching a maximum of 13°C (55°F), resulting in an average temperature of just 2°C (35°F). This winter month sees increased precipitation of 66 mm (2.6 in) spread over 12 days, along with even higher humidity levels at 91%. For a deeper dive into the January conditions, check out Bad Mergentheim weather in January.
The weather in September is significantly warmer than in February, with average temperatures reaching 15°C (59°F) compared to a chilly 3°C (38°F) in February. September features a broader temperature range, peaking at a comfortable 30°C (86°F), whereas February's maximum is a milder 19°C (66°F). Precipitation is slightly higher in February, with 62 mm (2.5 in) falling over 10 days, compared to September's 49 mm (1.9 in) over 8 days. Humidity levels are also comparable, with February being slightly higher at 89% versus September's 85%. For a detailed overview, you can visit Bad Mergentheim weather in February.
When comparing the weather in September and March, significant differences emerge. September typically sees milder temperatures, with averages around 15°C (59°F) and a maximum of 30°C (86°F), while March experiences cooler conditions, with average temperatures of 6°C (42°F) and a maximum of 22°C (72°F). Additionally, March tends to be wetter, with 75 mm (3.0 in) of precipitation spread over 14 days compared to September's 49 mm (1.9 in) over just 8 days. Humidity levels are also slightly higher in March at 87%, compared to 85% in September. For more detailed insights into the weather conditions during March, you can visit Bad Mergentheim weather in March.
When comparing the weather in September and April, notable differences emerge. September boasts a wider temperature range with minimums around 3°C (37°F) and maximums reaching 30°C (86°F), leading to an average of 15°C (59°F). In contrast, April starts colder, with minimums dropping to -5°C (23°F) and an average temperature of 10°C (49°F), although maximums can still reach a pleasant 26°C (80°F). Precipitation levels are slightly higher in September at 49 mm (1.9 in) over 8 days, compared to 36 mm (1.4 in) over 9 days in April. Humidity remains relatively high in both months, with September at 85% and April at 83%. For those interested in a more detailed look at April conditions, you can explore Bad Mergentheim weather in April.
In comparing the weather of September and May, we observe some notable differences and similarities. September typically experiences a wider temperature range, with minimums reaching 3°C (37°F) and maximums peaking at 30°C (86°F), while May starts slightly cooler with minimums at 0°C (32°F) but also has maximums that can match September’s highs at 30°C (87°F). May tends to be wetter, with 88 mm (3.5 in) of precipitation over 13 days compared to September's 49 mm (1.9 in) over 8 days. Additionally, September has higher humidity levels at 85%, compared to May's 79%, contributing to the different sensations of warmth and moisture in the two months. For more specific details, you can check Bad Mergentheim weather in May.
In September, temperatures vary from a minimum of 3°C (37°F) to a maximum of 30°C (86°F), with an average temperature of 15°C (59°F). The month experiences approximately 49 mm (1.9 in) of precipitation over about 8 days, contributing to a humidity level of 85%. In contrast, June showcases warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 34°C (93°F), averaging at 19°C (66°F). This month receives more rainfall, totaling around 86 mm (3.4 in) across approximately 11 days, and has slightly lower humidity at 82%. For more specific details on June weather, visit Bad Mergentheim weather in June.
When comparing the weather in September and July, notable differences emerge. September experiences a wider temperature range, with minimums dropping to 3°C (37°F) and maximums reaching up to 30°C (86°F), while the average temperature sits at a moderate 15°C (59°F). In contrast, July is typically warmer, with minimums around 7°C (44°F) and maximums climbing to 35°C (96°F), yielding an average temperature of 19°C (67°F). Precipitation in September is slightly lower at 49 mm (1.9 in) over 8 days, compared to July's 67 mm (2.6 in) over 11 days. Despite these differences, both months showcase relatively high humidity levels, with September at 85% and July slightly lower at 83%. For a more detailed look at July's weather patterns, you can visit Bad Mergentheim weather in July.
In comparison to August, September experiences cooler temperatures, with a minimum of 3°C (37°F) and an average of 15°C (59°F), compared to August's minimum of 6°C (43°F) and average of 19°C (67°F). Despite being slightly cooler, September can still reach a maximum temperature of 30°C (86°F), whereas August can peak at 35°C (95°F). Precipitation also decreases in September, with 49 mm (1.9 in) over 8 days compared to August's 66 mm (2.6 in) over 12 days. Humidity levels remain similar, at 85% in September and 84% in August. For more detailed information, you can check Bad Mergentheim weather in August.
In September, temperatures range from a chilly 3°C (37°F) to a warm 30°C (86°F), with an average of 15°C (59°F). The month sees about 49 mm (1.9 in) of precipitation over approximately 8 days, with humidity levels around 85%. In contrast, October brings cooler weather, with temperatures dropping to a minimum of 0°C (32°F) and a maximum of 25°C (76°F), while the average temperature settles at 11°C (52°F). Precipitation increases to 63 mm (2.5 in) over about 12 days, and humidity rises slightly to 88%. For more details, you can check out Bad Mergentheim weather in October.
In September, temperatures typically range from a minimum of 3°C (37°F) to a maximum of 30°C (86°F), with an average of 15°C (59°F). The month experiences around 49 mm (1.9 in) of precipitation over 8 days and has a humidity level of 85%. In contrast, November brings much cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 21°C (70°F), leading to a significantly lower average of 5°C (42°F). The rainfall in November is slightly less, at 46 mm (1.8 in), spread over 9 days, and the humidity rises to 89%. For more detailed information, check out Bad Mergentheim weather in November.
In September, the weather is much warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 30°C (86°F), and an average of 15°C (59°F). The month experiences a relatively lower precipitation level of 49 mm (1.9 in) over 8 days and a humidity of 85%. In contrast, December brings a stark drop in temperatures, with minimums plunging to -7°C (20°F) and a cooler average of 3°C (38°F), peaking at 13°C (56°F). This month sees increased precipitation, totaling 105 mm (4.1 in) over 17 days, along with higher humidity at 91%. Therefore, while September offers mild and warm weather, December presents a much colder and wetter climate. For more specific insights, you can check Bad Mergentheim weather in December.
As September unfolds in Bad Mergentheim, the weather presents a fascinating transition from the warmth of summer to the coolness of autumn. With daytime temperatures reaching up to 30°C, the month still holds onto the lingering warmth, offering pleasant outings. However, it also introduces cooler evenings that can drop to a crisp 3°C, marking a notable shift from the consistently warm nights of previous months. The average temperature settles around 15°C, providing a comfortable balance. Although September experiences about 8 days of precipitation, the overall humidity remains high at 85%, adding a refreshing touch to the air. This unique blend of warmth and early autumn chill makes September a charming time to visit. For a deeper understanding of the climate in this picturesque area, explore Bad Mergentheim Climate.