Last updated: August 21, 2025
In September, Ostend, Belgium experiences a delightful blend of warm days and cool evenings. With maximum temperatures reaching 26°C (80°F) and an average of 16°C (62°F), visitors can enjoy pleasant outdoor activities. However, the month is also marked by occasional rainfall, accumulating 78 mm (3.1 in) over approximately 11 days, making it wise to pack an umbrella. The humidity levels hover around 82%, adding a refreshing, coastal breeze to the vibrant atmosphere. Ideal for beach strolls and exploring the charming seaside town, September in Ostend offers a perfect escape for all.
In September, Ostend, Belgium, ushers in the early whispers of autumn, bringing with it a refreshing climate that is a delightful transition from the summer heat. With temperatures ranging from a mellow 10°C (50°F) at night to a pleasant 26°C (80°F) during the day, the month showcases an average of 16°C (62°F), making it an inviting time for outdoor exploration. As the lingering warmth of summer begins to fade, this month often basks in comfortable sunshine, encouraging visitors to enjoy the picturesque beach scenes. September strikes a harmonious balance, allowing both locals and travelers to relish the beauty of Ostend before the chill of autumn takes full hold.
In September, Ostend experiences a notable transition as the summer months fade, bringing an average precipitation of 78 mm (3.1 in) over approximately 11 days of rain. This marks a slight decrease from the wetter August, which recorded 86 mm (3.4 in). The trend of increasing rainfall continues into October, typically the wettest month with 110 mm (4.3 in), as autumn sets in. September's precipitation hints at the shifting seasons, blending warmer summer remnants with the cooler, wetter conditions that characterize the upcoming months. As the number of rainy days increases, locals and visitors alike should prepare for the impending rainfall while enjoying the lingering warmth of early autumn.
As summer gives way to autumn, September in Ostend sees a noticeable shift in humidity, with levels holding steady at 82%. This slight increase from August's 76% marks the transition into the wetter months ahead, as the landscape prepares for the cooler, more humid air typical of fall. The humidity remains lower than the winter peaks that reach up to 92% in November and December, suggesting a comfortable balance of moisture as the crispness of autumn begins to set in. Overall, September's humidity hints at the ebb and flow of the seasons in Ostend, maintaining a pleasant atmosphere before the more intense dampness of winter takes hold.
As September arrives in Ostend, Belgium, the UV Index is a moderate 5, indicating a shift from the intense summer months. This month sees a slight decline from the peak of 8 in July and June, when sun protection was crucial with a burn time of just 15 minutes. With a burn time of 30 minutes, September presents a more manageable situation for outdoor activities, though caution is still advised. This trend of decreasing UV exposure continues into October, where the index drops further to 4, reminding residents and visitors alike to adapt their sun safety measures as the days get shorter. For a detailed overview and real-time updates on sun safety, check out the Ostend UV Index.
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September in Ostend, Belgium, carries a warm embrace of sunshine, with 328 hours of golden light illuminating the town. As summer transitions into autumn, September shines brightly, though it marks a noticeable decline from the peak of 425 hours in July. The sunny days begin to wane, yet they still outshine the more somber months ahead, such as October, which captures only 248 hours. This gradual descent from the summer highs of 419 hours in June to September's balmy glow offers a gentle reminder of nature's rhythms, allowing locals and visitors alike to savor the lingering warmth before the chill of winter sets in.
As September arrives in Ostend, Belgium, the prospect of sunny weather slightly brightens, with a 37% chance of sunshine. This modest increase follows a summer characterized by similar probabilities, with July and August hovering around 39% and 36% respectively. Although September's likelihood of sun declines from the more promising 51% seen in April, it still offers a more favorable scenario compared to the dreariness of winter months like January and February, where the chances plummet to just 15% and 30%. Overall, while September may not guarantee a sun-soaked escape, it does present a pleasant opportunity to enjoy what remains of the outdoor season in the coastal city.
As summer fades, September in Ostend, Belgium, brings a gentle transition in daylight, with the sun gracing the sky for approximately 12 hours each day. This marks a shift from the longer days of July and August, where daylight peaked at 16 hours, creating a vibrant atmosphere perfect for outdoor activities. The daylight gradually declines, reminding residents that autumn is on the horizon. While the days shorten, the lingering warmth of early fall still offers plenty of opportunities to enjoy the beach and seaside promenades, making September a delightful blend of summer's remnants and autumn's arrival. As the month progresses, the diminishing daylight foreshadows the quicker retreats of sunshine in the following months, setting the stage for a cozy transition into winter.
As September unfolds in Ostend, Belgium, the average wind speed gently dips to 4.8 m/s (11 mph), reflecting a seasonal shift from the brisk summer breezes to a more calming atmosphere. This notable decrease follows a series of months characterized by higher wind speeds, peaking at 6.5 m/s (15 mph) in February and gradually tapering off through the warm summer. The trend indicates that as autumn approaches, the winds become softer and more subdued, creating a tranquil backdrop for evening strolls along the coast. Notably, September's winds are the second lowest of the year, just behind June, suggesting a peaceful transition that invites visitors to enjoy the scenic beauty of Ostend with less turbulent gusts. This subtle change in the coastal air encapsulates the essence of early fall—perfect for reflecting on summer adventures while savoring the impending crispness of autumn.
Weather in Ostend varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ostend, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather tends to be milder with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (80°F), averaging around 16°C (62°F). The precipitation level is slightly higher at 78 mm (3.1 in), occurring over 11 days, and the humidity is relatively comfortable at 82%. In contrast, January experiences a much colder climate, with temperatures plummeting to a minimum of -3°C (27°F) and peaking at 13°C (55°F), averaging just 6°C (43°F). Precipitation is similar at 77 mm (3.0 in), but it lasts longer, with rain on 14 days, and humidity increases to 91%. For more specific details on January weather, you can visit Ostend weather in January.
Comparing the weather in September and February reveals significant differences in temperature and overall climate conditions. September enjoys a mild range of temperatures, with a minimum of 10°C (50°F) and a pleasant average of 16°C (62°F), reaching highs of 26°C (80°F). In contrast, February is much cooler, with temperatures ranging from a chilling -5°C (24°F) to an average of 6°C (43°F) and maximums of only 14°C (57°F).
Precipitation levels are relatively similar, with September receiving 78 mm (3.1 in) over 11 days, while February sees slightly less at 71 mm (2.8 in) across 13 days. Humidity is higher in February at 89% compared to September's 82%, contributing to a heavier feel in the air. For more detailed insights about weather patterns in February, check out Ostend weather in February.
The weather in September is generally milder compared to March, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (80°F), resulting in a comfortable average of 16°C (62°F). In contrast, March experiences much cooler temperatures, starting as low as -5°C (24°F) and reaching an average maximum of 17°C (64°F), with an overall average of 7°C (45°F). Precipitation levels are slightly lower in March, at 69 mm (2.7 in) over 14 days, compared to September's 78 mm (3.1 in) over 11 days, although March's humidity is notably high at 87%. For more detailed information, check Ostend weather in March.
September and April present distinct differences in weather patterns. In September, temperatures range from a cool 10°C (50°F) to a warm 26°C (80°F), averaging around 16°C (62°F) with a notable humidity level of 82%. The month experiences more precipitation, totaling 78 mm (3.1 in) over approximately 11 days. In contrast, April features cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 22°C (71°F), resulting in an average of just 10°C (49°F). The month sees significantly less rainfall, amounting to 37 mm (1.5 in) across about 8 days, accompanied by slightly higher humidity at 85%. For a closer look at the specifics of April weather in Ostend, you can visit Ostend weather in April.
In comparing the weather between September and May, September generally features milder temperatures, with an average of 16°C (62°F) compared to May's cooler average of 13°C (55°F). The maximum temperatures in September can reach up to 26°C (80°F), while May peaks at 24°C (75°F). Additionally, September experiences more precipitation, totaling 78 mm (3.1 in), compared to May's 58 mm (2.3 in), despite both months having similar numbers of rainy days at 11. Humidity levels remain constant at 82% for both months. For more detailed information specifically about May weather, check out Ostend weather in May.
In comparing the weather of September and June, we observe some subtle differences. September features a slightly broader temperature range, with a minimum of 10°C (50°F) and a maximum of 26°C (80°F), while June has temperatures ranging from a minimum of 11°C (51°F) to a maximum of 27°C (81°F). Precipitation is more frequent in September, with 78 mm (3.1 in) of rain over 11 days, compared to June's 62 mm (2.5 in) over just 8 days. Both months share a high humidity level of 82%, creating a consistently damp atmosphere. For a more detailed look at June weather specifics, you can check Ostend weather in June.
In comparing the weather of September and July, we see notable differences in temperature and precipitation. September experiences a milder temperature range, with minimums around 10°C (50°F), an average of 16°C (62°F), and maximums peaking at 26°C (80°F). In contrast, July is warmer overall, with minimum temperatures of 13°C (56°F), an average of 18°C (65°F), and highs reaching up to 32°C (89°F). Regarding precipitation, September receives slightly more rainfall, totaling 78 mm (3.1 in) over 11 days, while July has 62 mm (2.5 in) across the same number of days. Humidity is fairly consistent in both months, with September at 82% and July at 80%. For a closer look at the specifics of July weather, you can check Ostend weather in July.
In comparing the weather between September and August, we observe notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 10°C (50°F) and an average of 16°C (62°F), compared to August's warmer minimum of 13°C (56°F) and an average of 19°C (66°F). Additionally, September sees a maximum of 26°C (80°F), which is significantly lower than August's peak of 30°C (87°F). Precipitation is slightly lower in September at 78 mm (3.1 in) over 11 days compared to August's 86 mm (3.4 in) over 15 days, despite September having a higher humidity level at 82% versus August's 76%. For a detailed look at August weather, you can visit Ostend weather in August.
In comparing the weather between September and October, a noticeable difference emerges. September experiences milder temperatures, with averages around 16°C (62°F) and highs reaching up to 26°C (80°F), alongside lower humidity levels at 82%. In contrast, October sees a drop in temperatures, with an average of 14°C (57°F) and maximums of 22°C (72°F). Additionally, October tends to be wetter, recording 110 mm (4.3 in) of precipitation over 17 days, compared to September's 78 mm (3.1 in) over 11 days. This increase in precipitation aligns with a rise in humidity to 89%. For more detailed insights, you can check Ostend weather in October.
September and November offer distinct contrasts in weather. In September, temperatures are milder, with a minimum of 10°C (50°F) and an average of 16°C (62°F), reaching a maximum of 26°C (80°F). This month experiences about 78 mm (3.1 in) of precipitation over 11 days, coupled with a humidity level of 82%. In contrast, November sees much cooler conditions, with temperatures dropping to a minimum of 2°C (36°F) and averaging 9°C (49°F), peaking at 17°C (64°F). The month also brings similar precipitation levels at 77 mm (3.0 in), but over 15 days, highlighting a wetter pattern along with increased humidity at 92%. For more detailed insights into November's weather, you can check the link: Ostend weather in November.
In September, the weather is generally mild with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (80°F), averaging around 16°C (62°F). This month experiences moderate rainfall, totaling 78 mm (3.1 in) over approximately 11 days, coupled with a relatively high humidity level of 82%.
In contrast, December brings much colder conditions, with temperatures dropping to a minimum of 0°C (32°F) and an average of only 7°C (45°F), peaking at 13°C (55°F). The precipitation increases significantly to 129 mm (5.1 in) over about 19 days, and humidity rises further to 92%. Therefore, while September offers a comfortable climate, December presents a much chillier and wetter atmosphere. For more details on December weather in Ostend, you can refer to Ostend weather in December.
September in Ostend marks a delightful transition from the summer warmth as temperatures begin to cool, providing a refreshing reprieve from the heat of the previous months. With an average temperature nearing 16°C (62°F), it's a month where you can still enjoy mild days, though be prepared for increased precipitation, with 78 mm of rain spread across 11 days. The humidity remains relatively high at 82%, contributing to a crisp coastal feel that contrasts with the more sultry summer months. This blend of comfortable temperatures and gentle rain makes September an ideal time to explore Ostend's beautiful scenery without the summer crowds. For more detailed insights, check out Ostend Climate.