Last updated: August 27, 2025
Wijk aan Zee in September offers a delightful blend of late summer warmth and refreshing coastal breezes. With maximum temperatures reaching 24°C (75°F) and an average of 16°C (62°F), the weather is generally pleasant for outdoor activities. However, visitors should be prepared for the occasional rain, as the area experiences around 114 mm (4.5 in) of precipitation over approximately 13 days, leading to a humidity level of 83%. This creates a unique atmosphere, perfect for both exploration and relaxation by the beach, as well as enjoying the vibrant local culture.
As September arrives in Wijk aan Zee, the temperatures mark a delightful transition from the warmth of summer to the cooler embrace of autumn. With minimums around 12°C (53°F) and averages settling at 16°C (62°F), the month offers a mild reprieve before the chillier days of fall arrive. The maximums can reach up to 24°C (75°F), creating perfect opportunities for outdoor activities and beach strolls. This gradual cooling signifies a shift, as September sits comfortably between the lingering summer warmth of August and the crisp autumn air of October, inviting both locals and visitors to enjoy the beauty of the changing seasons.
September marks a notable increase in precipitation in Wijk aan Zee, with 114 mm (4.5 in) of rain falling over the month, making it one of the wettest periods of the year. This is a significant rise from August's already substantial 110 mm (4.3 in), highlighting a trend toward wetter autumn months in this coastal region. With 13 rainy days, September maintains a fairly consistent number of precipitation days compared to previous months, demonstrating that while summer may bid farewell, the rain doesn't hold back. This uptick in rainfall signals the impending arrival of October, which traditionally brings even heavier downpours, as reflected in the 150 mm (5.9 in) expected. Overall, the shift to wetter conditions in September underscores a seasonal transition, setting the stage for the more intense rainfall typical of the fall in the Netherlands.
In September, the humidity in Wijk aan Zee, Netherlands, settles at a comfortable 83%, slightly higher than the summer months yet significantly lower than the winter peaks. As the year progresses from the humid blanket of 87% in January and February, a gradual decline in humidity is observed, reaching a summer low of 78% in August. This transition signifies a retreat from the intense humidity associated with the warmer months, setting the stage for the approaching autumn. The slight uptick in September hints at the changing seasons, as the air grows heavier again before climbing back to 86% in October. This cyclical pattern reflects a seasonal rhythm, where the lush, wet atmosphere of early fall prepares Wijk aan Zee for the upcoming chill of winter.
As September arrives in Wijk aan Zee, the UV Index reflects a notable shift towards moderate levels, measuring 5 for the month. This aligns with the easing summer heat, as the index dips from the high values of 7 in August and 8 during the peak summer months of June and July. With a burn time of 30 minutes, this moderate exposure category calls for cautious sun protection during outdoor activities. As autumn approaches and the sun's intensity lessens, residents and visitors can enjoy previously blaring rays while remaining mindful of skin safety. For a comprehensive view of the UV Index trends throughout the year, visit Wijk aan Zee UV Index.
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As summer gracefully transitions into autumn, September in Wijk aan Zee boasts a delightful average of 331 hours of sunshine, reflecting a comfortable drop from the vibrant summer months. This shift is consistent with the overall trend seen throughout the year, where the sunniest months, particularly May through July, shine brightly with over 400 hours of sunshine. Although September experiences a decrease compared to the peak summer brilliance, it still offers a fine balance of warmth and light, making it perfect for outdoor activities. As October approaches, the days gradually shorten, aligning with the trend of diminishing daylight that continues into the winter months.
As September rolls in, the likelihood of sunny weather in Wijk aan Zee, Netherlands, shows a slight decline, with a 33% chance of sunshine, down from the summer months. This follows a trend observed from earlier in the year, where April peaks at 43%, marking the transition to sunnier spells. Although September's sunshine probabilities are more favorable compared to the colder months of October and November, which dip to 28% and 22% respectively, it still indicates a significant shift towards autumn. As warmth wanes and the days shorten, those looking to capture fleeting sunny moments should seize September's opportunities while they last.
As summer fades, September in Wijk aan Zee brings a gentle transition in daylight, offering approximately 12 hours of sunlight—just a bit less than the vibrant 14 hours enjoyed in August. This month marks a noticeable shift as the days gradually shorten, reflecting the onset of autumn. Following the peak of 16 hours in June and July, the daylight duration begins a steady decline, easing into the cooler months of October and November. Nature’s rhythm is evident, inviting residents to savor the remaining warmth of early fall days before they retreat into the cozy shadows of winter.
As September arrives in Wijk aan Zee, the coastal winds begin to mellow, with an average wind speed of 5.3 m/s (12 mph) marking a significant drop from the summer gusts. This decrease is part of a gradual trend observed throughout the warmer months, peaking in the more vigorous spring and early summer breezes. Following the energetic winds of the earlier part of the year, September offers a gentler respite, hinting at the shift towards the more blustery months that October traditionally brings, which sees an increase in speed to 7.8 m/s (18 mph). Overall, September serves as a transitional phase, blending the lingering warmth of summer with the brisk, invigorating air that autumn promises.
Weather in Wijk aan Zee varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Wijk aan Zee, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures are generally mild, ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), contributing to an average of 16°C (62°F). The month experiences considerable precipitation, with 114 mm (4.5 in) over 13 days, and humidity levels are relatively high at 83%. In contrast, January brings much colder weather, with temperatures dipping to a minimum of -3°C (27°F) and only reaching a maximum of 11°C (53°F), resulting in an average of 6°C (43°F). Although January has less total precipitation at 75 mm (2.9 in) over 15 days, the humidity is slightly higher at 87%. For a more detailed look at what to expect, check out Wijk aan Zee weather in January.
In September, temperatures range from a mild 12°C (53°F) at night to a pleasant 24°C (75°F) during the day, making it a relatively warm month, with an average temperature of 16°C (62°F). The humidity is high at 83%, and the month sees about 114 mm (4.5 in) of precipitation spread across 13 days. In contrast, February presents a much colder climate, with temperatures dipping as low as -6°C (22°F) and reaching a maximum of only 13°C (55°F), resulting in an average temperature of 5°C (42°F). Despite having slightly less precipitation at 80 mm (3.1 in), it still rains on 13 days, and the humidity remains high at 87%. For a detailed look at February weather, you can visit Wijk aan Zee weather in February.
September and March present markedly different weather conditions. In September, the temperatures are noticeably warmer, with a minimum of 12°C (53°F) and an average of 16°C (62°F), reaching a maximum of 24°C (75°F). The month experiences frequent rainfall, accumulating 114 mm (4.5 in) over 13 days, and maintains a high humidity level of 83%. In contrast, March is much cooler, characterized by a minimum temperature of -6°C (22°F) and an average of 6°C (44°F), with a maximum of only 13°C (56°F). Although March has less precipitation, totaling 75 mm (3.0 in) over 14 days, it has a slightly higher humidity of 86%. For more detailed information on the specific weather conditions in March, you can refer to Wijk aan Zee weather in March.
When comparing the weather in September and April, significant differences emerge. September generally boasts milder temperatures, with averages around 16°C (62°F) and highs peaking at 24°C (75°F), while April experiences cooler averages of just 9°C (48°F) and maximums reaching 21°C (70°F). Additionally, September sees higher precipitation, with 114 mm (4.5 in) over 13 days, compared to April's lighter rainfall of 41 mm (1.6 in) across 8 days. Humidity levels remain relatively similar, with September at 83% and April slightly higher at 85%. For more specific information about April weather, you can check Wijk aan Zee weather in April.
When comparing the weather in September and May, September typically offers warmer temperatures, with a minimum of 12°C (53°F) and an average of 16°C (62°F) compared to May's minimum of 6°C (42°F) and average of 12°C (54°F). Despite being warmer, September experiences more precipitation, averaging 114 mm (4.5 in) over 13 days, while May sees lower rainfall at 51 mm (2.0 in) over 10 days. Both months feature high humidity levels, with September at 83% and May slightly higher at 84%. For a closer look at May's weather specifics, visit Wijk aan Zee weather in May.
In comparing the weather of September and June, we can observe some notable differences. September typically sees a minimum temperature of 12°C (53°F) and can reach a maximum of 24°C (75°F), while June has slightly cooler temperatures, starting at a minimum of 10°C (51°F) and peaking at 26°C (80°F). Despite both months having an average temperature of around 16°C (61°F), September experiences considerably more precipitation at 114 mm (4.5 in) over 13 days compared to June's 71 mm (2.8 in) across 10 days. Humidity levels are also slightly higher in September at 83%, compared to June's 81%. For a closer look at the specifics of June's weather, check out Wijk aan Zee weather in June.
In comparing the weather between September and July, September tends to be cooler with an average temperature of 16°C (62°F) compared to July's warmer average of 18°C (64°F). The maximum temperatures in September reach up to 24°C (75°F), while July can peak at 28°C (83°F). Additionally, September experiences more precipitation, receiving 114 mm (4.5 in) over 13 days, in contrast to July's 72 mm (2.8 in) during the same number of days. Humidity levels are also slightly higher in September at 83%, compared to 80% in July. For a detailed look at the weather patterns, you can visit Wijk aan Zee weather in July.
In comparing the weather between August and September, we can observe some notable differences. August tends to be slightly warmer, with an average temperature of 19°C (66°F) and maximum highs reaching 27°C (81°F), compared to September's average of 16°C (62°F) and a maximum of 24°C (75°F). Additionally, September experiences more precipitation, totaling 114 mm (4.5 in) over 13 days, compared to August's 110 mm (4.3 in) over 16 days, suggesting that September may feel wetter overall despite fewer rainy days. Furthermore, September has a higher humidity level at 83%, compared to August's 78%. For more detailed insights on August weather patterns, you can visit Wijk aan Zee weather in August.
In comparing the weather between September and October, it's evident that October brings cooler temperatures and increased precipitation. While September enjoys an average temperature of 16°C (62°F) with highs reaching 24°C (75°F), October sees a decline to an average of 14°C (57°F), with maximums of just 21°C (70°F). Additionally, October experiences more rainy days, totaling 19 compared to September's 13, and the precipitation increases from 114 mm (4.5 in) to 150 mm (5.9 in). The humidity remains relatively high in both months, with October slightly higher at 86%. For more detailed insights into the October climate, you can refer to Wijk aan Zee weather in October.
September generally enjoys milder temperatures compared to November, with averages around 16°C (62°F) and a maximum of 24°C (75°F). In contrast, November sees a drop in temperatures, averaging only 9°C (49°F) and peaking at 16°C (62°F). While September experiences more pleasant weather with a higher maximum temperature and fewer total precipitation days (13 days), November is marked by a greater number of rainy days (17 days) and a slightly lower total precipitation of 86 mm (3.4 in). Humidity remains relatively high in both months, with November edging slightly higher at 87% compared to September's 83%. For a closer look at November conditions, check out Wijk aan Zee weather in November.
In September, the weather is generally mild, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), and an average of 16°C (62°F). It experiences considerable precipitation, with about 114 mm (4.5 in) over 13 days and an average humidity of 83%. In contrast, December brings a significant drop in temperatures, with a minimum of -1°C (31°F) and a maximum of 12°C (54°F), averaging just 7°C (45°F). The month is wetter, accumulating 132 mm (5.2 in) of precipitation over 21 days, with slightly higher humidity at 86%. For more details on the December weather specifically, you can check Wijk aan Zee weather in December.
As September unfolds in Wijk aan Zee, the weather begins to transition, offering a refreshing change from the summer heat. While the days can still reach pleasant highs around 24°C, the overall average temperature cools to a comfortable 16°C, creating a cozy warmth for outdoor activities. However, with 13 days of rain contributing to 114 mm of precipitation, September reminds us of its more unpredictable side. The humidity lingers at 83%, making the air feel a bit heavier. Compared to the peak summer months, September marks a shift toward the cooler days of autumn, inviting locals and visitors alike to embrace the beauty of the changing seasons. For a deeper look into the weather dynamics throughout the year, check out Wijk aan Zee Climate.