Last updated: August 27, 2025
In Hoorn, Netherlands, September offers a delightful blend of moderate temperatures and a touch of autumnal charm. The maximum temperature can reach a warm 27°C (80°F), while the average settles at a comfortable 15°C (60°F), providing ideal conditions for outdoor explorations. However, as the season transitions, expect cooler nights with minimum temperatures dipping to 7°C (45°F). Rain may grace the month with about 81 mm (3.2 in) over 11 days, contributing to a humidity level of 83% that gives the air a refreshing quality. This mix of warmth and occasional showers makes September a beautiful time to experience Hoorn's scenic landscapes and vibrant local culture.
In September, Hoorn, Netherlands, marks a transition into more temperate conditions, with temperatures gradually cooling from the summer’s warmth. The month begins with a pleasant average temperature of 15°C (60°F), while daytime highs can reach up to 27°C (80°F), offering a final taste of summer. As the month progresses, the evenings feel crisper, with lows settling around 7°C (45°F). This period is characterized by a balance between warm days and chillier nights, inviting residents and visitors to enjoy outdoor activities before the autumn fully sets in. Overall, September serves as a delightful bridge between the warmth of summer and the cooler embrace of fall in Hoorn.
In September, Hoorn experiences a notable shift in precipitation patterns, receiving 81 mm (3.2 in) of rain over approximately 11 days. This month marks a slight decrease compared to the heavy downpours of August, which boasted 90 mm (3.6 in) from 16 days of rainfall, showcasing a transition into the latter part of the year. Interestingly, September's precipitation levels are higher than those recorded in both April and May, suggesting the arrival of autumn brings a renewed vigor in rainfall. As the days shorten and temperatures begin to dip, it's not uncommon for the region to experience an increase in overcast conditions, setting the stage for the wetter months ahead. The trend indicates that while summer yields abundant rains, September serves as a bridge, balancing the shift from the warm season to the cooler, wetter autumn.
In September, Hoorn, Netherlands, experiences a noticeable shift in humidity levels as the summer months give way to autumn. With an average humidity of 83%, September marks a slight increase from the drier August, when humidity dipped to 78%. This upward trend reflects the natural transition of the seasons, aligning more closely with the consistent levels observed in the earlier months of the year. While still lower than the winter and spring months, where humidity hovers around 86% to 87%, the September atmosphere is a reminder of the impending wetness of autumn. This gradual rise encapsulates the charm of early fall, as the rich, moist air begins to return, fostering a refreshing environment for both residents and visitors.
As summer fades into autumn, September in Hoorn, Netherlands sees a notable shift in the UV Index, reflecting the transition from the intense sun-soaked days of July and August. With a UV Index of 5, categorized as moderate, residents can expect a safe burn time of approximately 30 minutes under direct sunlight. This change marks a welcome reduction from the very high levels of the previous months, encouraging outdoor activities while still requiring sun protection. As autumn approaches, it’s vital to stay informed about UV levels, making it easy to enjoy the pleasant September weather responsibly. For more details, check out Hoorn UV Index.
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As summer gently fades, September in Hoorn, Netherlands, enjoys a generous 330 hours of sunshine. This marks a delightful decline from the peak summer months, where July and August bask in over 400 hours of radiant daylight. The transition into autumn is evident, with sunlight gradually yielding to the cooler months ahead. September's sunshine still offers a warm embrace, allowing for lingering outdoor activities and beautiful sunsets, even as the days shorten and the air becomes crisper. It's a beautiful reminder of summer's residual warmth before the Netherlands embraces its autumn hues.
In September, the likelihood of sunny weather in Hoorn, Netherlands, stands at a mixture of promise and unpredictability with a 31% chance of sunshine. This marks a slight dip from the summer months of July and August, both at 36%, reflecting a transition as the region shifts from the warmth of summer to the cooler embrace of autumn. Interestingly, September ranks higher than both October and November, which show decreasing sunshine probability at 27% and 23% respectively. As the days begin to shorten, those seeking rays of sunshine in September will find a fair balance between lingering summer vibes and the approaching chill of fall.
In Hoorn, Netherlands, September marks a transitional month as summer gradually gives way to autumn. With 12 hours of daylight, the days begin to shorten, following the peak of 16 hours witnessed in June and July. This reduction highlights a gentle decline in sunshine as the landscape shifts from vibrant summer hues to the more subdued tones of fall. While August offers a lingering 14 hours of daylight, September's shorter days signal a return to the crisp air and changing leaves typical of the season. The daylight duration continues to dwindle as October approaches, reminding us of the cyclical nature of time and the charming seasonal shifts that characterize this picturesque Dutch town.
As summer gently yields to autumn in Hoorn, September brings a notable shift in wind patterns, characterized by a soothing average wind speed of 4.4 m/s (10 mph). This decrease from the more breezy months of July and August reflects the seasonal transition, where the crisp air begins to signal the approach of October's stronger gusts, averaging 6.3 m/s (14 mph). September's gentler winds create a serene atmosphere, perfect for enjoying the picturesque landscapes of the Netherlands, while hinting at the invigorating bluster that will soon follow as the days grow shorter and the chill of fall sets in.
Weather in Hoorn varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hoorn, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit stark contrasts in weather. September boasts a milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a comfortable average of 15°C (60°F) and a maximum reaching up to 27°C (80°F). The month sees about 81 mm (3.2 in) of precipitation over 11 days, accompanied by relatively high humidity at 83%. In contrast, January brings colder conditions, with temperatures dipping to a minimum of -5°C (24°F) and averaging around 5°C (41°F), peaking at 12°C (54°F). This month experiences less precipitation at 56 mm (2.2 in) over 12 days, but the humidity is slightly higher at 87%. For more detailed information, check out Hoorn weather in January.
September and February present distinctly different weather patterns. In September, temperatures typically range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), with an average of 15°C (60°F). The month experiences about 81 mm (3.2 in) of precipitation over 11 days, alongside a relatively high humidity level of 83%. In contrast, February sees much colder conditions, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (60°F), averaging at 5°C (41°F). Precipitation in February is slightly lower at 69 mm (2.7 in) over 12 days, and humidity is even higher at 87%. For more details, you can check Hoorn weather in February.
In September, the weather tends to be warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), and an average of 15°C (60°F). The month experiences about 81 mm (3.2 in) of precipitation over 11 days, with a humidity level of 83%. Conversely, March is considerably cooler, with temperatures dipping to a minimum of -7°C (19°F) and reaching a maximum of 17°C (64°F), averaging at 6°C (44°F). The precipitation in March is slightly less at 65 mm (2.6 in), spread over 13 days, and the humidity is marginally higher at 86%. For more detailed insights, you can check Hoorn weather in March.
In comparing the weather of September and April, September typically offers warmer temperatures, with minimums around 7°C (45°F) and maximums reaching 27°C (80°F), compared to April's minimum of 1°C (34°F) and maximum of 25°C (77°F). While both months experience similar humidity levels, September tends to be slightly less humid at 83% compared to April's 85%. Precipitation also varies, with September seeing 81 mm (3.2 in) over approximately 11 days, while April has a more modest 39 mm (1.5 in) over 9 days. To explore more about April weather specifics, you can visit Hoorn weather in April.
In comparing the weather of September and May, both months feature mild temperatures, but September tends to be slightly warmer overall. September sees average temperatures of 15°C (60°F) with maximum highs reaching 27°C (80°F), while May has an average of 13°C (55°F) and a similar maximum of 28°C (83°F). Precipitation is more frequent in September, with 81 mm (3.2 in) over 11 days, compared to May’s 47 mm (1.8 in) over 10 days. Humidity levels are comparable, with September at 83% and May at 84%. For a closer look at May's weather specifics, you can check Hoorn weather in May.
In comparing the weather of September and June, we find that both months experience mild temperatures, but with notable differences. September sees a temperature range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), averaging around 15°C (60°F). In contrast, June offers slightly warmer conditions, with temperatures ranging from 8°C (47°F) to 30°C (87°F) and an average of 17°C (62°F). Precipitation is a bit more prevalent in September, with 81 mm (3.2 in) over 11 days, compared to June's 68 mm (2.7 in) over 10 days. Additionally, September has a higher humidity level at 83%, while June's humidity is at 81%. For more specific details about June's weather, you can visit Hoorn weather in June.
When comparing the weather in September and July, notable differences emerge in temperature and conditions. September typically experiences cooler temperatures with a minimum of 7°C (45°F) and an average of 15°C (60°F), while July boasts warmer conditions, with a minimum of 11°C (51°F) and an average of 18°C (65°F). In terms of highs, September reaches up to 27°C (80°F), compared to July's maximum of 33°C (92°F), providing a significant contrast in warmth. Although September sees slightly more precipitation at 81 mm (3.2 in) over 11 days, July isn't far behind, with 76 mm (3.0 in) spread over 13 days. Additionally, humidity levels remain fairly high in both months, with September at 83% and July at 80%. For a more detailed look at July's climate, check out Hoorn weather in July.
In comparing the weather between August and September, it’s clear that September experiences cooler temperatures, with a minimum of 7°C (45°F) and an average of 15°C (60°F), compared to August’s minimum of 11°C (52°F) and average of 18°C (65°F). While August boasts warmer highs of up to 31°C (87°F), September’s maximum temperature reaches 27°C (80°F). Both months have similar precipitation levels, with September receiving 81 mm (3.2 in) of rain over 11 days and August seeing slightly higher precipitation at 90 mm (3.6 in) over 16 days. Additionally, September is slightly more humid at 83%, compared to August's 78%. For more detailed insights, you can check Hoorn weather in August.
In September, the weather typically features a temperature range from a cool 7°C (45°F) at night to a warm 27°C (80°F) during the day, with an average of 15°C (60°F). This month experiences an average precipitation of 81 mm (3.2 in) over approximately 11 rainy days, alongside a relatively high humidity of 83%.
Contrastingly, October brings cooler temperatures, with a minimum of 4°C (39°F), an average of 13°C (55°F), and a maximum of 24°C (75°F). The month is also wetter, with 96 mm (3.8 in) of precipitation spread over about 16 days, and humidity slightly increases to 86%. For more detailed weather insights, you can visit Hoorn weather in October.
September and November exhibit distinct weather characteristics, reflecting the transition from late summer to autumn. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), with an average temperature of 15°C (60°F). The month also sees around 81 mm (3.2 in) of precipitation over approximately 11 days, accompanied by a humidity level of 83%.
In contrast, November cools down significantly, with temperatures dipping to a minimum of 0°C (33°F) and averaging just 8°C (47°F), peaking at 17°C (63°F). While it experiences slightly less precipitation at 54 mm (2.1 in) across 13 days, the humidity rises to 87%. These changes reflect the gradual shift toward colder, wetter conditions as the year progresses. For a more detailed look at the weather patterns, you can visit Hoorn weather in November.
September weather is characterized by a wide range of temperatures, with minimums around 7°C (45°F) and maximums reaching up to 27°C (80°F), creating a pleasant average of 15°C (60°F). The month sees some rain, with a total precipitation of 81 mm (3.2 in) over 11 days and a relatively high humidity of 83%. In contrast, December brings much colder conditions. The temperature range drops significantly, with minimums plummeting to -4°C (25°F) and maximums capping at 12°C (54°F), resulting in a chilly average of 6°C (43°F). Rainfall increases slightly to 92 mm (3.6 in) spread over 16 days, while humidity rises just a bit to 86%. For more detailed insights, refer to Hoorn weather in December.
As September unfolds in Hoorn, the weather begins to shift, offering a delightful blend of warmth and coolness that contrasts with the preceding summer months. While the average temperature remains comfortable, the dip in nighttime lows introduces a refreshing crispness to the air. This month also sees an uptick in humidity and precipitation, with rainfall becoming more frequent, which adds a lush vibrancy to the landscape. If you're curious about how September's climate compares to other periods of the year, check out Hoorn Climate for a deeper dive into the local weather patterns. Whether you're enjoying the lingering warmth or preparing for the autumn chill, September in Hoorn is truly a month of transition and beauty.