Last updated: October 30, 2025
September in Hillerod, Denmark, presents a mild climate with an average temperature of 15°C (59°F), making it a comfortable time for outdoor activities. The month sees maximum temperatures peaking at 25°C (77°F) and dipping to a refreshing minimum of 8°C (47°F). However, visitors should be prepared for frequent showers, with 89 mm (3.5 in) of precipitation spread over 13 days, contributing to a humidity level of 83%. This blend of temperatures and moisture creates a lush, vibrant landscape, perfect for exploring the natural beauty of the region.
In September, Hillerod, Denmark, begins to transition into the cooler autumn months, showcasing a delightful blend of warmth and crispness. With minimum temperatures averaging around 8°C (47°F) and average highs reaching 25°C (77°F), the month offers a pleasant respite from the summer heat. The overall average temperature settles at a comfortable 15°C (59°F), making it an ideal time for outdoor activities and exploring the scenic surroundings. As the month progresses, one can feel the subtle shift towards cooler days, reflecting a gradual decline in temperatures as the days grow shorter. This trend beautifully illustrates the changing seasons, offering a picturesque backdrop as the foliage begins to turn, inviting residents and visitors alike to embrace the charm of early autumn in Hillerod.
September in Hillerød, Denmark, brings a significant transition in weather patterns as the summer warmth begins to fade. With 89 mm (3.5 in) of precipitation recorded over 13 days, it marks a noteworthy increase from the relatively dry month of April. This uptick in rainfall is typical as the region shifts into fall, reflecting a trend that emerges each year when the lushness of summer gives way to the invigorating crispness of autumn. As days grow shorter, residents can expect a mix of gentle rains and cool breezes, making September a month of vibrant change in both the landscape and climate.
In September, Hillerod, Denmark, experiences a notable rise in humidity to 83%, marking a transitional shift as the summer months give way to the crispness of fall. This uptick reflects a broader trend observed throughout the year, where humidity gradually decreases from a peak of 90% in January to a low of 77% during the summer months of June, July, and August. However, as autumn approaches, relative humidity begins to climb again, hinting at the impending cooler temperatures of October, which sees levels spike to 87%. This rhythm illustrates the dance between seasonal changes and moisture in the air, creating a dynamic atmosphere that contributes to Hillerod's charm.
In September, Hillerød, Denmark experiences a moderate UV Index of 5, signaling a shift as summer fades and autumn approaches. After months of high exposure levels, which peaked at 7 in July and June, residents can enjoy slightly longer burn times of 30 minutes without significant risk. This transitional month marks a gentle decline from the intense summer sun while still requiring some sun protection during outdoor activities. With its comfortable weather, September remains an ideal time to soak in the outdoors, but it's essential to stay mindful of UV levels. For more detailed insights and daily updates, check out the Hillerod UV Index.
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As summer gently fades and autumn begins to embrace Hillerod, Denmark, September continues to bask in a generous glow, with an impressive 316 hours of sunshine. This marks a delightful transition from the peak of summer, where June dazzles with 457 hours, gradually tapering off but still providing significant daylight. Interestingly, the sunny days of September are notably more abundant than the bleakness of the upcoming months, when October and November count merely 245 and 146 hours, respectively. This dip highlights a valuable trend: September serves as a bridge between the sun-soaked revelries of summer and the cozy, introspective days of fall—offering residents and visitors alike a beautiful opportunity to enjoy nature’s vibrant splendor before the darker days set in.
In Hillerod, Denmark, the likelihood of sunny weather during September reflects a moderate chance of clear skies, with around 31% probability of sunshine. This aligns with a general trend observed throughout the year, where months like April lead with a higher 56% chance, showcasing a seasonal peak as spring transitions into summer. Comparatively, September's sunshine likelihood dips from the brighter months of June and August, which hover around the 45% and 39% marks respectively, suggesting that while September still offers opportunities for pleasant days, it is increasingly overshadowed by the approaching autumn. As the year progresses into October, the likelihood further decreases to 27%, indicating a notable decline in sunny weather as Scandinavian seasons evolve.
As September arrives in Hillerød, Denmark, daylight begins to wane, offering about 12 hours of sunlight—a notable reduction from the sun-drenched summer months. Following June's peak of 17 hours, the days gradually shorten, transitioning from August's 14 hours to a more subdued light as autumn approaches. This pattern reflects the natural ebb and flow of daylight throughout the year, with September serving as a gentle reminder of the shifting seasons. While the days are still relatively long compared to the winter months, this decline heralds the cozy embrace of fall, inviting residents to enjoy the vibrant colors and crisp air that accompany shorter days.
As September sweeps into Hillerød, Denmark, the average wind speed settles at a gentle 4.7 m/s (11 mph). This figure reflects a notable decline from the vibrant summer months, where winds were brisker at around 5.4 m/s in both June and August. The turn of the seasons heralds a transitional phase, preparing the landscape for the cooler, breezier days of autumn, which will soon see a rise to 6.1 m/s in October. This pattern showcases how the winds dance with the changing temperatures, as the calm before the storm of winter settles in, creating a serene yet dynamic atmosphere in Hillerød.
Weather in Hillerod varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hillerod, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is relatively mild, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 25°C (77°F) and an average of 15°C (59°F). However, it experiences significant rainfall, totaling 89 mm (3.5 in) over 13 days, accompanied by a high humidity level of 83%. In stark contrast, January brings much colder conditions, with temperatures plummeting to a minimum of -9°C (16°F) and averaging just 3°C (37°F). The maximum temperature only reaches 10°C (51°F), and while it sees less precipitation at 54 mm (2.1 in) over 11 days, humidity remains high at 90%. For a closer look at the specifics, you can check Hillerod weather in January.
September brings a mild and pleasant atmosphere, with temperatures ranging from a minimum of 8°C (47°F) to a comfortable maximum of 25°C (77°F) and an average of 15°C (59°F). Rainfall is moderate, with 89 mm (3.5 in) over 13 days, and humidity levels hover around 83%. In contrast, February is considerably colder, experiencing temperatures ranging from a minimum of -9°C (17°F) to a maximum of 11°C (52°F), with an average of just 2°C (37°F). While precipitation is lower at 52 mm (2.0 in) over 11 days, the humidity remains high at 89%. For more detailed insights, check out Hillerod weather in February.
When comparing the weather between September and March, notable differences emerge. September features much warmer temperatures, with averages reaching 15°C (59°F) and maximums climbing to 25°C (77°F), while March is significantly cooler, averaging just 4°C (39°F) and maxing out at 13°C (56°F). Additionally, September is characterized by higher precipitation levels, totaling 89 mm (3.5 in) over 13 days, compared to March's 61 mm (2.4 in) across 12 days. Interestingly, humidity remains relatively similar in both months, with September at 83% and March slightly higher at 88%. For a more detailed look at March weather, check out Hillerod weather in March.
When comparing the weather in September to that of April, it is clear that September tends to be milder and wetter. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 15°C (59°F). This month also sees a higher precipitation level of 89 mm (3.5 in) over about 13 days, contributing to a humidity level of 83%.
In contrast, April experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 21°C (70°F), averaging only 7°C (45°F). Additionally, April has significantly less rainfall at 34 mm (1.3 in), occurring over just 7 days, and a slightly lower humidity of 85%.
For more specific insights on April weather, you can visit Hillerod weather in April.
In comparing the weather between September and May, we see some notable differences. September typically experiences a broader temperature range, with minimums around 8°C (47°F) and maximums reaching up to 25°C (77°F), while May's temperatures range from a cooler 2°C (35°F) to a warmer maximum of 27°C (80°F). Despite a slightly milder average temperature in May at 12°C (53°F), September has a higher average at 15°C (59°F). Additionally, September brings more precipitation with 89 mm (3.5 in) over 13 days, compared to May’s 58 mm (2.3 in) also spread over 13 days. The humidity levels are comparable, with September at 83% and May slightly lower at 80%. For a closer look at the specifics, you can check out Hillerod weather in May.
In comparing the weather between September and June, it's clear that June generally offers slightly warmer temperatures, with average highs reaching up to 27°C (80°F) compared to September's 25°C (77°F). Both months experience mild minimum temperatures, with September starting at 8°C (47°F) and June at 9°C (49°F). Additionally, June tends to be drier, receiving only 49 mm (1.9 in) of precipitation over about 7 days, while September sees more rainfall at 89 mm (3.5 in) spread across 13 days. Humidity levels are also a bit higher in September at 83%, compared to June's 77%. For a detailed look at the weather in June, you can visit Hillerod weather in June.
When comparing the weather in September and July, September generally showcases cooler temperatures with minimums around 8°C (47°F) and an average of 15°C (59°F), while July tends to be warmer with minimums of 10°C (51°F) and an average of 18°C (65°F). The maximum temperatures in July reach up to 29°C (85°F), significantly higher than the September maximum of 25°C (77°F). Precipitation levels are relatively similar, with September receiving 89 mm (3.5 in) over 13 days, compared to July's 83 mm (3.3 in) over 14 days. Additionally, September has a higher humidity level at 83% compared to July's 77%. For a more detailed view of July weather, you can check out Hillerod weather in July.
In comparing the weather of September and August, September tends to be cooler and more humid. The minimum temperature in September drops to 8°C (47°F), while August sees a higher minimum of 10°C (50°F). The average temperature also reflects this trend, with September averaging 15°C (59°F) compared to August's 18°C (64°F). Furthermore, September has a maximum temperature of 25°C (77°F), significantly lower than August's peak of 30°C (86°F). Precipitation is slightly lower in September at 89 mm (3.5 in) over 13 days, compared to 101 mm (4.0 in) across 15 days in August. This increase in rainy days in August contributes to a slightly lower humidity level of 77%, compared to a higher 83% in September. For more detailed insights, you can check Hillerod weather in August.
September and October display notable differences in weather patterns. September typically boasts milder temperatures, with averages around 15°C (59°F) and maximums reaching 25°C (77°F), while October sees a drop in the average to 11°C (52°F), with maximums peaking at 20°C (68°F). Additionally, September experiences about 89 mm (3.5 in) of precipitation over 13 days, whereas October tends to be slightly wetter, with 97 mm (3.8 in) falling over 17 days. The humidity also increases in October to 87%, compared to September's 83%. For a more detailed look at October's weather, you can check this link: Hillerod weather in October.
In September, temperatures typically range from a mild 8°C (47°F) to a warm 25°C (77°F), with an average of 15°C (59°F). The month also experiences significant precipitation, totaling 89 mm (3.5 in) over about 13 days, accompanied by a comfortable humidity level of 83%. In contrast, November brings much cooler conditions, with temperatures dropping to a minimum of -4°C (26°F) and an average of just 7°C (45°F), peaking at 16°C (62°F). Rainfall decreases to 55 mm (2.2 in) across approximately 12 days, while humidity rises slightly to 89%. For a more detailed understanding of the weather patterns during this time, check out Hillerod weather in November.
In September, the weather is considerably milder, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), while December brings much colder conditions, where temperatures can drop to a chilly -4°C (25°F) and only reach a high of 10°C (50°F). Precipitation is more abundant in September with 89 mm (3.5 in) spread over approximately 13 days, whereas December experiences slightly less rainfall at 68 mm (2.7 in) over 15 days. Humidity levels are relatively high in both months, at 83% in September and 88% in December, further enhancing the crisp feel of the winter air. For more detailed information, you can explore Hillerod weather in December.
As September unfolds in Hillerød, the transition to autumn becomes evident. With a comfortable average temperature of 15°C, the air takes on a refreshingly crisp quality compared to the warmer summer months. While still enjoying pleasant days under the sun, occasional rainfall makes itself known, contributing to a slightly higher number of precipitation days. The increased humidity levels add a touch of moisture to the atmosphere, fostering a sense of impending seasonal change. For those interested in understanding more about Hillerød's climate trends, detailed information can be found at Hillerod Climate.