Last updated: February 26, 2025
September in Bad Neuenahr-Ahrweiler, Germany, showcases a diverse climate, with maximum temperatures reaching an inviting 32°C (89°F). The month transitions from the warmth of late summer, presenting an average temperature of 15°C (58°F) and dipping to a cool minimum of 1°C (35°F). Rainfall is notable, with 53 mm (2.1 in) accumulated over 8 days, contributing to the region's lush landscapes. With humidity levels averaging a comfortable 81%, September offers a refreshing blend of warm days and cooler evenings, enticing visitors to explore the beauty of the area.
In September, Bad Neuenahr-Ahrweiler experiences a delightful transition from the summer heat to the cooler autumn days. The average temperature settles at a comfortable 15°C (58°F), making it an inviting time for outdoor activities. Morning temperatures dip to a minimum of 1°C (35°F), while afternoons can still reach a warm 32°C (89°F), indicating that summer's lingering warmth is still felt. As the month progresses, this gradual cool-off hints at the impending change of seasons, with October promising even cooler averages and a shift in the air. With such a dynamic temperature range, September stands out as a month of pleasant contrasts in this charming German town.
In September, Bad Neuenahr-Ahrweiler experiences a notable shift as the summer months give way to the onset of autumn, reflected in the decrease of precipitation to 53 mm (2.1 in) over 8 days. This marks a decline from the summer's higher levels, such as 87 mm in July and 81 mm in August. The transition shows a distinct pattern as precipitation becomes less frequent, with September experiencing fewer rainy days compared to the wetter summer months. This trend sets the stage for the drier months ahead, hinting at a gradual but steady move towards the typically wetter autumn and winter seasons, including 90 mm anticipated in December.
As summer fades into autumn, September in Bad Neuenahr-Ahrweiler sees a noticeable shift in humidity levels. After reaching a low of 71% in August, September's humidity rises to 81%, marking a return to the more humid conditions characteristic of the region. This increase signals the transition from the drier summer months to the wetter autumn season, as humidity levels steadily climb again towards the 88% recorded in October. Overall, the trend reveals a clear pattern: while the summer months experience lower humidity, the onset of autumn brings back the moister air that dominates the colder months ahead.
In September, Bad Neuenahr-Ahrweiler experiences a UV Index of 6, placing it in the high exposure category. This indicates a gradual decline from the intense summer months, where June and July reached an Index of 9 and 8 respectively, suggesting that while outdoor activities remain enjoyable, caution against prolonged sun exposure is still necessary. With a burn time of about 25 minutes, it's essential to apply sunscreen and seek shade during peak sun hours to protect your skin. As the season transitions, this trend highlights a shift toward milder conditions, preparing residents for the coming months. For more detailed information on UV levels throughout the year, check out Bad Neuenahr-Ahrweiler UV Index.
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September in Bad Neuenahr-Ahrweiler enjoys a delightful balance of sunshine, accumulating approximately 316 hours of bright light. This marks a gentle decline from the peak summer months of June (402 hours) and July (411 hours), yet still offers a substantial amount of sun as autumn approaches. The trend showcases a thriving spring and summer, with hours steadily increasing from January's 110 hours to a summer high, before tapering off with the onset of fall. As the lush landscapes transform, September serves as a beautiful transition month, inviting both locals and visitors to bask in the last warm rays before winter sets in.
September in Bad Neuenahr-Ahrweiler, Germany, presents a promising likelihood of sunny weather, with a 40% chance of sunshine making it one of the brighter months of the year. This period is a subtle transition from summer; while July and August hold steady at a 31% chance of sun, September emerges with a slight uptick, hinting at lingering warmth and clearer skies. Notably, the trend of increasing sunshine continues into the fall, as September's share stands favorably against the upcoming months, where October dips to 29%. Overall, September offers a delightful blend of warmth and light, inviting outdoor activities before the cooler months set in.
As summer transitions into autumn, September in Bad Neuenahr-Ahrweiler showcases a gradual yet noticeable shift in daylight hours, offering around 12 hours of light. This decrease from the longer summer days, which peak at 16 hours in June, marks the beginning of shorter daylight periods that continue into the fall and winter months. Following the vibrant and sunlit months of May and June, where residents enjoyed up to 15 hours of daylight, September provides a golden window of sunlight before the days shrink to 10 hours by October. This trend highlights a rhythmic ebb and flow of daylight, with September serving as a gentle reminder of the changing seasons and the impending cozy embrace of autumn.
As September unfolds in Bad Neuenahr-Ahrweiler, a noticeable shift in wind speed emerges, with average gusts dropping to a gentle 2.2 m/s (5 mph). This decline marks the month as one of the calmer periods of the year, following a summer characterized by slightly higher breezes. In contrast to the spring months, which saw wind speeds peaking at 3.8 m/s, September's soft winds invite a tranquil ambiance, perfect for leisurely strolls amidst the changing foliage. As autumn begins to settle in, this transition is a reminder of the ebb and flow of seasonal patterns, highlighting a gradual decrease in wind strength as the year progresses towards the cooler months ahead.
The weather in Bad Neuenahr-Ahrweiler 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 Neuenahr-Ahrweiler and find detailed weather information for every month.
September and January present strikingly contrasting weather patterns. In September, temperatures range from a chilly 1°C (35°F) at night to a warm high of 32°C (89°F) during the day, with an average of 15°C (58°F). This month experiences moderate rainfall of 53 mm (2.1 in) over about 8 days, accompanied by a relatively comfortable humidity level of 81%. In contrast, January is much colder, with temperatures dipping to a minimum of -10°C (15°F) and peaking at only 12°C (55°F), averaging just 2°C (36°F). Precipitation is slightly higher at 63 mm (2.5 in), occurring over 13 days, with humidity reaching a high of 91%. For a closer look at January weather in this region, you can check Bad Neuenahr-Ahrweiler weather in January.
September and February showcase markedly different weather patterns. In September, temperatures range from a mild 1°C (35°F) at night to a warm 32°C (89°F) during the day, with an average of 15°C (58°F). This month typically sees about 53 mm (2.1 in) of precipitation over approximately 8 days and a humidity level of around 81%. In contrast, February is much colder, with lows plummeting to -12°C (12°F) and daytime highs reaching only 20°C (68°F), averaging 4°C (39°F). Precipitation increases slightly to 59 mm (2.3 in), spread over about 11 days, while humidity rises to 90%. For more insights on February weather, visit Bad Neuenahr-Ahrweiler weather in February.
September and March present notably different weather conditions. In September, temperatures range from a chilly 1°C (35°F) at night to a warm 32°C (89°F) during the day, with an average of 15°C (58°F). The month sees some rainfall, totaling 53 mm (2.1 in) over about 8 days, accompanied by a humidity level of 81%. In contrast, March features colder temperatures, with nightly lows reaching -12°C (11°F) and daytime highs of up to 22°C (72°F), averaging around 6°C (43°F). This month experiences slightly higher precipitation of 68 mm (2.7 in) spread over approximately 15 days, while humidity rises to 87%. For more detailed weather information specific to March, you can visit Bad Neuenahr-Ahrweiler weather in March.
September and April offer contrasting weather patterns, with September typically showcasing a broader temperature range. In September, temperatures can dip to a minimum of 1°C (35°F) and reach a peak of 32°C (89°F), with an average of 15°C (58°F). Meanwhile, April has cooler temperatures, ranging from a minimum of -4°C (25°F), peaking at 26°C (79°F), and an average of 9°C (49°F). Precipitation is slightly higher in September at 53 mm (2.1 in) over 8 days, while April sees a total of 39 mm (1.5 in) spread across 10 days. Humidity remains relatively high in both months, with September at 81% and April at 84%. For more detailed information about April weather, you can refer to Bad Neuenahr-Ahrweiler weather in April.
When comparing the weather in September and May, we find some notable differences. September generally experiences a wider temperature range, with a minimum of 1°C (35°F) and a maximum of 32°C (89°F), leading to an average of 15°C (58°F). In contrast, May has slightly cooler temperatures, ranging from 0°C (32°F) to a maximum of 31°C (88°F), with an average of 13°C (55°F).
Precipitation levels are also different, with September receiving 53 mm (2.1 in) over 8 days compared to May's 83 mm (3.3 in) across 13 days, indicating that May is somewhat wetter. Additionally, September has higher humidity at 81%, while May's humidity is slightly lower at 77%. These variations highlight the transitional nature of both months as they lead into and out of summer. For more detailed information, you can visit Bad Neuenahr-Ahrweiler weather in May.
When comparing the weather in September and June, we see notable differences in temperature and precipitation patterns. September experiences a wider temperature range, with minimums dropping to 1°C (35°F) and maximums reaching up to 32°C (89°F), averaging around 15°C (58°F). In contrast, June is generally warmer, with minimum temperatures of 7°C (44°F) and maximums peaking at 33°C (92°F), averaging 18°C (64°F).
Precipitation also varies between the two months; September has 53 mm (2.1 in) of rain spread over about 8 days, while June sees higher rainfall at 86 mm (3.4 in) over 13 days. Additionally, September's humidity is higher at 81%, compared to June's 74%. For a deeper look into June's weather specifics, you can refer to Bad Neuenahr-Ahrweiler weather in June.
In comparing the weather of September and July in Bad Neuenahr-Ahrweiler, September tends to be milder, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 32°C (89°F) and an average of 15°C (58°F). In contrast, July experiences warmer conditions, showcasing a minimum of 7°C (45°F) and reaching up to 38°C (100°F) with an average of 18°C (65°F). While September sees about 53 mm (2.1 in) of precipitation over approximately 8 days, July is notably wetter, receiving around 87 mm (3.4 in) of rainfall over 11 days. Additionally, September has higher humidity levels at 81% compared to July's 72%. For more detailed insights, you can check Bad Neuenahr-Ahrweiler weather in July.
September weather shows a notable decline in temperatures compared to August, with minimums dropping from 6°C (42°F) to 1°C (35°F), and average temperatures decreasing from 18°C (65°F) to 15°C (58°F). While August boasts higher maximum temperatures, reaching 34°C (94°F), September's maximum temperature is slightly lower at 32°C (89°F). Additionally, September experiences less precipitation overall, with 53 mm (2.1 in) over 8 days, compared to August's 81 mm (3.2 in) over 15 days. Interestingly, September also has a higher humidity level at 81%, compared to August's 71%. For more details, you can visit Bad Neuenahr-Ahrweiler weather in August.
In September, temperatures in Bad Neuenahr-Ahrweiler range from a minimum of 1°C (35°F) to a maximum of 32°C (89°F), with an average of 15°C (58°F). The month sees about 53 mm (2.1 in) of precipitation over 8 days, and the humidity sits at 81%.
Contrastingly, October experiences cooler weather, with temperatures dipping to a minimum of -1°C (31°F) and peaking at 25°C (77°F), averaging around 11°C (52°F). Precipitation increases slightly to 61 mm (2.4 in) over 12 days, and humidity rises to 88%. This shift highlights the transition from the warmer, relatively dry days of September to the cooler, wetter conditions of October. For more detailed information, you can check Bad Neuenahr-Ahrweiler weather in October.
September and November present quite contrasting weather conditions. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 32°C (89°F), with an average of 15°C (58°F). Although there is relatively low precipitation at 53 mm (2.1 in) over about 8 days, the humidity stands at a notable 81%. In stark contrast, November sees cooler temperatures, with a minimum of -4°C (24°F) and an average of 6°C (43°F), peaking at 19°C (67°F). The month also experiences slightly less precipitation at 48 mm (1.9 in) spread over 11 days and higher humidity at 91%. For more details on November weather, visit Bad Neuenahr-Ahrweiler weather in November.
In September, the weather is generally warmer with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 32°C (89°F), and an average temperature of 15°C (58°F). The month sees about 53 mm (2.1 in) of precipitation over 8 days, with a humidity level of 81%. In contrast, December brings much colder temperatures, with a minimum of -5°C (23°F) and a maximum of 14°C (57°F), averaging around 4°C (39°F). The precipitation increases to 90 mm (3.5 in) spread over 17 days, accompanied by higher humidity at 92%. For more details about December weather in the region, visit Bad Neuenahr-Ahrweiler weather in December.
As summer transitions to autumn, September in Bad Neuenahr-Ahrweiler offers a unique blend of warmth and occasional rain, making it distinct from the warmer peak summer months. The days start to cool down, with pleasant average temperatures, but you can still expect the occasional warm spell. While rainfall is more frequent compared to the drier summer, the humidity lingers, ensuring that the air feels rich and full. This month serves as a refreshing prelude to the crispness of fall, providing an ideal time for those looking to experience the beauty of the changing seasons. For a deeper dive into the trends throughout the year, explore our insights on the Bad Neuenahr-Ahrweiler Climate.