Last updated: October 30, 2025
In September, Humlebaek, Denmark experiences a delightful transition into autumn, with maximum temperatures reaching 27°C (80°F) and an average of 14°C (58°F), allowing for pleasant outdoor activities. However, as the month progresses, temperatures can dip to a minimum of 4°C (39°F) during the cooler nights. Rainfall is a notable feature this month, with a total precipitation of 77 mm (3.0 in) spread across 13 days, contributing to the area's lush landscape. Moreover, the humidity level remains relatively high at 83%, enhancing the characteristic crispness of the Danish fall air, making September a compelling time to explore Humlebaek's scenic charm.
In September, Humlebaek experiences a delightful transition as summer gives way to autumn. With average temperatures hovering around 14°C (58°F), the month starts to cool down but still boasts pleasant highs of 27°C (80°F), making it a great time for outdoor activities. The mornings are crisp with lows around 4°C (39°F), signaling the impending chill of autumn. This month marks a notable shift from the warmth of summer, as the previous months showcased soaring temperatures, peaking at 32°C (90°F) in both July and August. September’s milder climate invites locals and visitors alike to enjoy the stunning natural beauty of the region before winter sets in.
In September, Humlebaek experiences a significant drop in precipitation compared to the summer months, accumulating 77 mm (3.0 in) of rain over 13 days. This marks a shift from the wetter conditions of August, which recorded 95 mm (3.7 in). As the season transitions, the rainfall in September is consistently elevated, indicative of the approaching autumn, yet it remains manageable compared to the previous month. This pattern reflects a trend where late summer showers give way to more frequent but lighter rainfall, setting the stage for the cooler, wetter October that typically follows with 86 mm (3.4 in) of precipitation anticipated. The balance of rain in September supports the lush landscapes that characterize this part of Denmark, ensuring vibrant flora as the year progresses.
As September rolls in, Humlebaek experiences a subtle rise in humidity, settling at 83%. This uptick breaks the steady low of 77% seen throughout the summer months, reflecting a transition into the wetter fall season. Although September remains less humid than the winter peaks of 90% in January and 89% in February, it signals the beginning of a return to the more moisture-laden air that characterizes the latter part of the year. As the days grow shorter, residents can expect the humidity to gradually climb, with October already forecasted at 87%. This pattern showcases the cyclical nature of humidity in the region, with a clear shift as autumn sets in.
In September, Humlebaek experiences a UV Index of 5, indicating a moderate risk of harm from unprotected sun exposure. With a recommended burn time of 30 minutes, sun enthusiasts should monitor their time outdoors, especially during midday hours when UV rays are strongest. This month marks a slight decrease in intensity compared to the high levels often seen in July and August. As autumn approaches, the UV Index transitions to a more manageable range, making it a perfect time for outdoor activities while still emphasizing the importance of sun safety. For more details on seasonal changes, check out the Humlebaek UV Index.
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As September unfolds in Humlebaek, Denmark, the region enjoys a delightful 316 hours of sunshine, a notable contrast to the sun-drenched days of summer. This month sees a gentler decline in sunlight compared to the peak of 457 hours in June and 452 hours in July, signaling the gradual transition into autumn. While the sun begins to set earlier, September still holds onto the warmth of summer, outshining the brisk October that follows with its 245 hours. As days shorten and leaves change, the balance of lingering sunlight and encroaching chill creates a uniquely captivating atmosphere, ideal for savoring the beauty of the season.
In Humlebaek, Denmark, the likelihood of sunny weather in September hovers around 30%, continuing a trend of fluctuating sunshine as summer transitions into autumn. This figure, while relatively moderate, is a dip from the brighter days of April, which boasts a 55% chance of sunny skies. As the months progress from the peak of summer, gradual declines can be observed, with July and August featuring 34% and 37% chances respectively. September's weather is often characterized by the remnants of late summer warmth, but the shifts in sunlight become more pronounced as the days shorten and the crispness of fall begins to settle in.
As summer gives way to autumn in Humlebaek, Denmark, September brings a gentle transition in daylight hours, offering about 12 hours of light each day. After basking in a generous 17 hours during June, the days gradually shorten, reflecting a natural rhythm where longer days of spring and summer yield to the crispness of fall. With daylight tapering off to 14 hours in August and then dipping further this month, September serves as a bridge, easing us from the vibrant summer into the cozy embrace of autumn. This pattern of decreasing daylight continues as the year progresses, highlighting the cyclical beauty of seasonal change in this charming coastal town.
In September, the winds in Humlebaek, Denmark, experience a gentle lull, with an average speed of 3.9 m/s (9 mph). This slight decrease follows a summer trend where winds were relatively mild, peaking in August at 4.5 m/s (10 mph). As the season transitions, September marks a period of calmer breezes, offering a delicate balance between the summer's warmth and the approaching autumn chill. Interestingly, September's wind speed is only a bit lower than in May and hints at an impending increase, as October typically ushers in stronger gusts with an average of 5.1 m/s (11 mph). This ebb and flow of wind speeds beautifully reflects the shifting seasons, creating a serene yet dynamic atmosphere in this coastal town.
Weather in Humlebaek varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Humlebaek, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather conditions. In September, temperatures range from a mild 4°C (39°F) at night to a warm 27°C (80°F) during the day, with an average of 14°C (58°F). This month typically sees about 77 mm (3.0 in) of precipitation over 13 days and maintains a humidity level of 83%. In contrast, January is marked by much colder temperatures, with nighttime lows dipping to -13°C (10°F) and daytime highs reaching only 11°C (52°F), averaging just 2°C (37°F). Precipitation in January is lower at 49 mm (1.9 in), occurring over 11 days, and while the humidity is slightly higher at 90%, the overall experience is one of winter's chill compared to the mildness of early autumn. For more detailed information, visit Humlebaek weather in January.
September and February present sharply contrasting weather patterns. In September, temperatures can range from a cool 4°C (39°F) to a pleasant max of 27°C (80°F), averaging around 14°C (58°F). The month receives approximately 77 mm (3.0 in) of precipitation over 13 days, with humidity levels at a relatively high 83%.
In stark contrast, February experiences much colder conditions, with temperatures dipping as low as -11°C (13°F) and peaking at 13°C (56°F), averaging only 2°C (36°F). Precipitation is lower at 51 mm (2.0 in) across 10 days, but humidity is slightly higher at 89%. This weather comparison underscores the transition from the warmth of late summer to the chill of mid-winter. For a closer look at weather specifics during this month, refer to Humlebaek weather in February.
When comparing the weather in September and March, there's a significant contrast in temperature and overall climate. September boasts a mild average temperature of 14°C (58°F), with highs reaching up to 27°C (80°F), while March sees a much colder average temperature of just 4°C (39°F), with maximums only hitting 15°C (60°F). Additionally, September experiences more warmth and sunshine, with humidity at 83% and about 77 mm (3.0 in) of precipitation over 13 days. In contrast, March is chillier and slightly wetter with 62 mm (2.4 in) of rain spread across 12 days and higher humidity at 88%. For a more detailed look at the March weather specifics, you can explore Humlebaek weather in March.
When comparing the weather in September and April, a few key differences stand out. September boasts a wider temperature range, with minimums of 4°C (39°F) and maximums reaching 27°C (80°F), averaging around 14°C (58°F). In contrast, April shows chillier conditions, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 24°C (76°F), averaging just 7°C (45°F). Additionally, September experiences more precipitation, at 77 mm (3.0 in) over 13 days, while April has only 33 mm (1.3 in) across 8 days. Both months have high humidity levels, with April slightly higher at 85%, compared to September's 83%. For a more detailed look at April weather, you can check this link: Humlebaek weather in April.
When comparing the weather in September and May, September generally enjoys a slightly warmer temperature range with a minimum of 4°C (39°F), an average of 14°C (58°F), and a maximum of 27°C (80°F). In contrast, May starts off chillier, with temperatures dipping as low as -1°C (31°F), peaking at 29°C (84°F), and averaging around 12°C (54°F). Precipitation in September is higher, reaching 77 mm (3.0 in) over 13 days, while May sees a total of 56 mm (2.2 in) with the same number of rainy days. Humidity levels are comparable in both months, with September at 83% and May at 80%. For more specific details on May weather, you can visit Humlebaek weather in May.
In September, temperatures typically range from a cooler minimum of 4°C (39°F) to a maximum of 27°C (80°F), with an average of 14°C (58°F), making it a transitional month as summer fades. The weather is often accompanied by higher humidity at 83% and increased precipitation, averaging 77 mm (3.0 in) over about 13 days. In contrast, June showcases warmer and more stable weather, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), and an average of 17°C (63°F). Precipitation is also lower in June, with around 48 mm (1.9 in) spread over only 8 days, combined with a relatively lower humidity of 77%. For a closer look at June weather, visit Humlebaek weather in June.
When comparing the weather in July and September, July tends to be warmer and more humid. In July, temperatures range from a minimum of 7°C (44°F) to a maximum of 32°C (91°F), with an average of 18°C (64°F). It also sees slightly higher humidity at 77% and nearly the same level of precipitation at 81 mm (3.2 in) over 13 days. In contrast, September features cooler temperatures, with averages hitting a minimum of 4°C (39°F) and a maximum of 27°C (80°F), bringing an average of 14°C (58°F) and higher humidity at 83%. Precipitation in September is similar, totaling 77 mm (3.0 in) over 13 days, suggesting a comparably wet month. For a more detailed look at July's conditions, you can visit Humlebaek weather in July.
In comparison to August, September experiences a notable drop in temperature, with minimums plummeting to 4°C (39°F) compared to August's 7°C (44°F). The average temperature in September is also lower at 14°C (58°F) versus August's 18°C (64°F), while the maximum temperature reaches just 27°C (80°F), significantly cooler than August's peak of 32°C (90°F). Although both months see considerable precipitation, September records 77 mm (3.0 in) over 13 days, compared to August’s 95 mm (3.7 in) spread over 15 days. Humidity levels are slightly higher in September at 83%, compared to August's 77%. For further details on August weather, refer to Humlebaek weather in August.
In September, the weather typically features a broad temperature range, with minimums around 4°C (39°F), averages of 14°C (58°F), and maximums reaching up to 27°C (80°F). This month also sees significant humidity at 83%, along with 77 mm (3.0 in) of precipitation over about 13 days.
Conversely, October ushers in cooler conditions with minimum temperatures dipping to -2°C (28°F) and average temperatures falling to 10°C (51°F). Maximum temperatures in October are milder at 21°C (70°F), while precipitation slightly increases to 86 mm (3.4 in) over 15 days, and humidity rises to 87%. For a detailed insight into October weather in particular, you can visit Humlebaek weather in October.
September and November present distinct contrasts in weather. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), with an average of 14°C (58°F). The month receives 77 mm (3.0 in) of precipitation over 13 days, paired with a relative humidity of 83%. In stark contrast, November sees colder conditions, with temperatures dipping to a minimum of -6°C (21°F) and averaging only 6°C (44°F), peaking at 17°C (63°F). Precipitation drops to 45 mm (1.8 in) across 11 days, while humidity rises slightly to 89%. For more details on November's climate, you can visit Humlebaek weather in November.
September and December present a striking contrast in weather conditions. In September, temperatures generally range from a low of 4°C (39°F) to a comfortable high of 27°C (80°F), with an average of 14°C (58°F) and relatively high humidity at 83%. The month experiences considerable rainfall, totaling 77 mm (3.0 in) over 13 days. In contrast, December sees much colder temperatures, with a minimum of -7°C (20°F) and a maximum of only 10°C (51°F), resulting in a much chillier average of 3°C (38°F). Although total precipitation is slightly lower at 62 mm (2.4 in), it spreads over 14 days and is accompanied by higher humidity levels of 88%. For more details on December weather in Humlebaek, check out Humlebaek weather in December.
As summer transitions to autumn, September in Humlebaek offers a refreshing change, marked by cooler temperatures and increased rainfall. The average temperature begins to dip, providing a crispness in the air that contrasts sharply with the warmth of the peak summer months. While the lush greenery of late summer remains, the 13 rainy days and high humidity contribute to a distinctive atmosphere that signals the impending chill of fall. This month serves as a gentle reminder of nature's cycles, making it an ideal time for reflection and outdoor exploration. For a deeper understanding of the region's climate patterns, explore Humlebaek Climate.