Last updated: February 26, 2025
September in Heppenheim an der Bergstraße, Germany offers a delightful mix of late summer warmth and crisp autumn air. With daytime temperatures peaking at a maximum of 32°C (90°F) and averaging a comfortable 16°C (61°F), residents and visitors alike can enjoy outdoor activities while embracing the changing season. However, the evenings can be cooler, dipping to a minimum of 4°C (39°F). This month typically experiences 53 mm (2.1 in) of rainfall over about 7 days, contributing to the lush greenery of the region. The high humidity levels at 85% can create a refreshing atmosphere, perfect for soaking in the early fall beauty of the landscape.
In Heppenheim an der Bergstrasse, September ushers in a delightful transition from the sweltering summer months to the inviting crispness of autumn. With temperatures ranging from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), this month enjoys an average of 16°C (61°F), reflecting a comfortable warmth that encourages outdoor activities. The lingering summer heat is evident, especially compared to the cooler temperatures of October and November, making September an ideal time to explore the picturesque landscapes and vineyard-laden hills of the region before the chill fully sets in. As the month progresses, the subtle hint of autumn colors begins to emerge, providing a stunning backdrop for the comfortable, yet refreshing, climatic conditions.
In September, Heppenheim an der Bergstrasse experiences a gentle decline in precipitation, with 53 mm (2.1 in) collected over just 7 days. This drop in both the amount and frequency of rain suggests a transition towards drier autumn conditions, following the relatively wetter summer months where June and May recorded 87 mm and 84 mm, respectively. Notably, September's totals are notably lower compared to earlier summer figures, reinforcing a trend of decreasing precipitation as the year progresses. This shift not only marks a change in the weather pattern but also sets the stage for the colorful autumn landscape that follows, illuminated by the crispness in the air.
In September, Heppenheim an der Bergstrasse experiences a moderate humidity level of 85%, marking a slight increase from the summer months of August (84%) and July (83%). This uptick suggests a gradual shift towards the more humid conditions typical of autumn, as the air begins to cool and the vegetation prepares for the seasonal transition. Overall, the trend shows a gentle decline in humidity from January's high of 91% down to May's low of 79%, before oscillating slightly in the warmer months. As the year progresses, the humidity levels tend to rise again, peaking in the winter months, echoing a cyclical pattern that reflects the region's unique climate dynamics.
In September, Heppenheim an der Bergstrasse experiences a UV Index of 6, categorizing it as high exposure. This indicates a slight decline from the intense sunshine of summer months, where the UV Index peaked at 8 in both May through July. As the season transitions, individuals can expect a burn time of 25 minutes, which remains a safe threshold to maintain skin health while enjoying the outdoors. While this month brings a lower UV index compared to the peak summer months, it’s a reminder to stay vigilant about sun protection, especially as the autumn sun can still be deceptively strong. For more details on the sun's impact throughout the year, visit Heppenheim an der Bergstrasse UV Index.
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In September, Heppenheim an der Bergstrasse basks in a delightful transition from the summer's vibrant warmth to the crispness of autumn, boasting a commendable 321 hours of sunshine. This marks a noticeable drop from the sun-drenched highs of July and August, which saw 413 and 385 hours respectively, signaling the onset of shorter days. However, compared to the earlier months, September shines brightly with more hours of sunlight than January's 118 hours and even October's impending 258 hours. As the trees begin to change color, the lingering sunshine in September invites both locals and travelers to savor the last vestiges of warm weather, making it a perfect time to explore the beautiful landscapes that surround this charming town.
In Heppenheim an der Bergstrasse, September marks a delightful transition towards autumn, boasting a 43% chance of sunny weather. This month stands out with a significant improvement in sunshine compared to the summer months of July and August, which see only 37% and 29% respectively. Interestingly, September's likelihood of sunny days aligns closely with the spring months, highlighting a seasonable balance as the weather begins to cool. As the year progresses towards winter, it's inviting to know that September still offers a vibrant palette of sunshine before the days become shorter and cloudier.
As summer fades into autumn, September in Heppenheim an der Bergstrasse brings a notable shift in daylight duration, offering about 12 hours of daylight—significantly less than the 16 hours enjoyed in June. This month marks a gentle transition, where the sun begins to set earlier, hinting at the approach of darker days. While daylight hours decrease from the summer peak, they remain comfortably longer than those of the winter months. As we embrace the changing season, September invites us to savor the warm hues of sunset and the crispness of the approaching fall, bridging the longer days of summer and the shorter days of winter with its balanced light.
As September arrives in Heppenheim an der Bergstrasse, the average wind speed dips to a gentle 2.1 m/s (5 mph), marking a notable decrease from the lively breezes of late spring and early summer. This trend of diminishing winds reflects the transitional nature of the season, with September showcasing a softer touch as summer gives way to autumn. Notably, it is the calmest month of the year, following a series of months that typically featured more robust gusts. As the air cools, the region prepares for the cozy yet breezy days of fall, where whispers of wind signal the changing leaves and the approach of winter's chill. This subtle shift in wind patterns invites residents and visitors alike to savor the serene beauty of Heppenheim during this charming time of year.
The weather in Heppenheim an der Bergstrasse 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 Heppenheim an der Bergstrasse and find detailed weather information for every month.
September and January exhibit strikingly different weather patterns. In September, temperatures can range from a cool 4°C (39°F) at night to a warm 32°C (90°F) during the day, with an average of 16°C (61°F). The month experiences relatively high humidity at 85% and receives about 53 mm (2.1 in) of precipitation over approximately 7 days. In contrast, January presents a much colder scenario, with temperatures dropping to a minimum of -12°C (10°F) and capping at a maximum of 13°C (56°F), averaging just around 2°C (36°F). The precipitation level rises slightly to 72 mm (2.8 in) spread across 13 days, coupled with even higher humidity at 91%. This stark contrast highlights the transition from the warmth of late summer to the chill of mid-winter. For a deeper look at the January weather specifics, you can refer to Heppenheim an der Bergstrasse weather in January.
September and February present strikingly different weather patterns. In September, temperatures can range from a mild 4°C (39°F) to a warm 32°C (90°F), with an average of 16°C (61°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 7 days, accompanied by a relatively high humidity of 85%. In contrast, February is much colder, with temperatures dipping as low as -11°C (13°F) and peaking at 18°C (65°F), averaging around 4°C (39°F). This month sees more precipitation at 65 mm (2.6 in), occurring over about 11 days, and humidity is slightly higher at 89%. For a more detailed overview, you can check out Heppenheim an der Bergstrasse weather in February.
September and March exhibit quite contrasting weather patterns. In September, temperatures range from a chilly 4°C (39°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 16°C (61°F). This month sees an average precipitation of 53 mm (2.1 in) spread over about 7 days, alongside relatively high humidity at 85%. Conversely, March presents a much colder climate, with temperatures fluctuating from a minimum of -10°C (14°F) to a maximum of 22°C (73°F), averaging around 6°C (44°F). It also experiences higher total precipitation of 85 mm (3.3 in) over 14 days, along with slightly increased humidity at 87%. For those interested in more detailed information, check out Heppenheim an der Bergstrasse weather in March.
In comparing the weather of September and April, one can observe notable differences and similarities. September features a broader temperature range with a minimum of 4°C (39°F) and a maximum of 32°C (90°F), resulting in a warmer average of 16°C (61°F). In contrast, April is generally cooler, starting with minimum temperatures as low as -4°C (25°F) and peaking at 27°C (80°F), leading to a lower average of 10°C (51°F). Precipitation is slightly higher in September, measuring 53 mm (2.1 inches) over 7 rainy days compared to April's 36 mm (1.4 inches) during the same number of days. Humidity levels remain relatively similar between the two months, with September at 85% and April at 83%. For a more detailed look at April weather, you can visit Heppenheim an der Bergstrasse weather in April.
In comparing the weather of September and May, a few notable differences emerge. September experiences a wider range of temperatures, with a minimum of 4°C (39°F) and a maximum of 32°C (90°F), resulting in an average of 16°C (61°F). The month is marked by relatively high humidity at 85% and receives about 53 mm (2.1 in) of precipitation over approximately 7 days. In contrast, May typically has cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 31°C (89°F), leading to an average of 14°C (57°F). Additionally, May sees more precipitation, totaling 84 mm (3.3 in) across about 12 days, but with lower humidity at 79%. For a more detailed look at May weather, you can visit Heppenheim an der Bergstrasse weather in May.
In comparing the weather of September and June, we see notable differences in temperature and precipitation patterns. September enjoys a wider range of temperatures, with a minimum of 4°C (39°F) and a maximum of 32°C (90°F), averaging around 16°C (61°F). In contrast, June has milder temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F). Additionally, June experiences higher precipitation, totaling 87 mm (3.4 in) over 11 rainy days, compared to September’s 53 mm (2.1 in) over 7 days. Despite September having slightly higher humidity at 85%, June remains relatively humid at 82%. For a more detailed overview, you can check Heppenheim an der Bergstrasse weather in June.
When comparing the weather in September and July, notable differences emerge. In September, temperatures range from a cooler minimum of 4°C (39°F) to an average of 16°C (61°F), peaking at a warm 32°C (90°F). The month experiences a total of 53 mm (2.1 in) of precipitation over approximately 7 days, accompanied by a relatively high humidity of 85%. In contrast, July is significantly warmer, with minimum temperatures at 8°C (47°F) and an average of 20°C (69°F), reaching up to a scorching maximum of 39°C (102°F). July also sees more rainfall, totaling 63 mm (2.5 in) over about 10 days, but with slightly lower humidity at 83%. For more details, refer to Heppenheim an der Bergstrasse weather in July.
In comparing the weather patterns of September and August, September shows a noticeable decrease in temperature, with a minimum of 4°C (39°F) compared to August's 7°C (44°F). The average temperature drops from 20°C (69°F) in August to 16°C (61°F) in September, while the maximum temperature also declines from 36°C (97°F) to 32°C (90°F). Precipitation is slightly lower in September at 53 mm (2.1 in), occurring over 7 days, compared to 58 mm (2.3 in) over 12 days in August. Despite September having a higher humidity level of 85%, it still feels less oppressive than the humid days of August. For a detailed look at August's weather in Heppenheim an der Bergstrasse, you can visit Heppenheim an der Bergstrasse weather in August.
September and October display a noticeable shift in weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average of 16°C (61°F). The month experiences a total precipitation of 53 mm (2.1 in) over about 7 days and maintains a relatively lower humidity level of 85%. In contrast, October brings colder temperatures, with a minimum of 2°C (35°F) and a maximum of 26°C (80°F), averaging at 11°C (53°F). Rainfall increases to 68 mm (2.7 in) spread over 12 days, and humidity rises slightly to 88%. This transition marks the onset of autumn, as reflected in Heppenheim an der Bergstrasse weather in October.
September and November present contrasting weather patterns, reflecting the transition from late summer to late autumn. In September, temperatures can range from a comfortable minimum of 4°C (39°F) to a warm maximum of 32°C (90°F), with an average temperature of 16°C (61°F). The month experiences about 53 mm (2.1 inches) of precipitation over approximately 7 days, and humidity levels hover around 85%. In contrast, November sees a notable drop in temperatures, with minimums dipping to -4°C (25°F) and an average of just 6°C (43°F). The maximum temperature in November reaches 21°C (70°F), but the overall cooler climate leads to slightly increased precipitation of 55 mm (2.2 inches) over about 10 days, and humidity rises to 89%. For more details on November weather specifically, you can check out Heppenheim an der Bergstrasse weather in November.
In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average of 16°C (61°F). The month experiences relatively mild conditions with 53 mm (2.1 in) of precipitation spread over about 7 days and a humidity level of 85%. In contrast, December brings a significant drop in temperatures, with a minimum of -6°C (21°F) and a maximum of 14°C (58°F), averaging only 4°C (39°F). The winter month is much wetter, recording 120 mm (4.7 in) of precipitation across 19 days and a higher humidity of 91%. For more detailed information about how the weather changes in December, you can visit Heppenheim an der Bergstrasse weather in December.
As summer fades and autumn approaches, September in Heppenheim an der Bergstrasse showcases a unique blend of pleasant warmth and increasing coolness. Daytime temperatures often reach comfortable highs, while evenings can bring a refreshing chill. This month marks a noticeable transition, characterized by a moderate increase in precipitation and a relatively humid atmosphere, hinting at the changing seasons ahead. For those looking to explore more about the city's weather nuances throughout the year, check out the detailed insights available at Heppenheim an der Bergstrasse Climate.