September Weather in Westende, Belgium

Last updated: August 21, 2025

September in Westende, Belgium offers a delightful transition into autumn, characterized by a comfortable range of temperatures. With a maximum of 24°C (76°F), an average of 17°C (62°F), and a minimum of 11°C (52°F), this month is perfect for outdoor activities. However, locals and visitors should be prepared for a varied climate, as September experiences 81 mm (3.2 in) of rain spread over 11 days. The high humidity level of 82% adds a touch of warmth to the air, making for a uniquely refreshing seaside experience. Whether you're strolling along the coast or enjoying local festivities, September in Westende promises a blend of pleasant weather and occasional showers.

September Temperature in Westende

In September, Westende, Belgium experiences a delightful transition as summer wanes and autumn begins to take hold. With temperatures ranging from a cozy 11°C (52°F) at night to a pleasant 24°C (76°F) during the day, it offers a comfortable average of 17°C (62°F). This month marks a noticeable drop from the sizzling highs of August, while still retaining enough warmth to enjoy the outdoors. The moderate climate invites visitors to relish in long walks along the coast or leisurely afternoons in the sun, making it a perfect time for those seeking a blend of summer's warmth and autumn's crispness.

September Weather in Westende: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Westende, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westende, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec434345495461646662575046
Data source: Temperature data for Westende generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Westende

In September, Westende, Belgium, experiences a notable precipitation total of 81 mm (3.2 in), slightly below the previous month's hefty 85 mm (3.3 in). This month typically sees 11 days of rainfall, maintaining a consistent trend of frequent showers, much like in August and earlier. As the autumn season approaches, it's clear that while September still shares the summer's dampness, the precipitation amount begins to signal the wetter months ahead, particularly with October looming on the horizon, which averages a more significant 115 mm (4.5 in). This gradual increase in both rainfall and rainy days as the year progresses highlights the shift from the relatively dry spells of spring to the heavier, fall showers typical of Belgian weather.

September Precipitation Trends in Westende

The chart displays monthly precipitation patterns in Westende, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Westende, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec79737035576058858111587138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Westende

September in Westende, Belgium, welcomes the onset of autumn with a humidity level of 82%, marking a slight upward shift from the summer's lower figures. This transition reflects a gradual increase as the year progresses, following a trend that sees humidity levels peaking in the winter months. After enjoying drier air in August, September's humidity is reminiscent of the spring months, hinting at the cooler, wetter days ahead. As the coastal town moves into the latter part of the year, humidity levels will continue to climb, eventually reaching a high of 92% by November and December. This pattern underscores Westende's maritime climate, where moisture plays a significant role in shaping the seasonal experience.

September Average Humidity in Westende

This chart illustrates the average monthly humidity levels in Westende, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Westende is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Westende

In September, Westende, Belgium experiences a moderate UV Index of 5, signaling a shift from the high summer indices. As the sun begins to soften with the onset of autumn, residents and visitors can expect a burn time of 30 minutes. This decrease from the very high levels of July and August means that while sun protection remains important, the urgency lessens slightly. Notably, the trend of UV exposure gradually drops as the months progress, with the UV Index tapering down to 4 in October. As you enjoy the gentle rays of September, remember to stay informed and protected. For more detailed insights, visit Westende UV Index.

Maximum UV Index Levels in Westende for September

The chart shows the monthly maximum UV Index (UVI) for Westende in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Westende typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Westende September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Westende

September in Westende, Belgium, showcases a delightful transition as summer wanes and autumn begins. With 328 hours of sunshine, this month offers a generous mix of warm days that linger from the peak summer months. The trend is clear: sunshine hours gradually increase from the start of the year, reaching their zenith in July at 425 hours, before gently tapering off in August and September. While these hours are fewer than the summer months, September still boasts a vibrant atmosphere filled with light, making it a perfect time for outdoor activities and enjoying the lingering warmth of the season. As October approaches, the sun begins to retreat, promising 248 hours of sunshine, marking a shift into the cozy embrace of fall.

Monthly Sunshine Duration in Westende: September Highlighted

The September sunshine duration represents the total number of hours Westende experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec122h200h283h357h411h419h425h395h328h248h203h158h
Data source: Westende September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Westende During September

As September rolls into Westende, Belgium, the likelihood of sunny weather stands at a quaint 38%, mirroring the somewhat unpredictable patterns of the preceding months. This dip follows the promise of brighter days in April, which boasts a 51% chance of sunshine, before the summer months settle into a slight decline. Despite the fluctuations in sun exposure, September holds its own, reflecting a moderate chance of pleasant weather that encourages outdoor exploration. With autumn on the horizon, this transitional period offers a unique charm, allowing visitors to bask in the lingering warmth while enjoying the scenic beauty of Westende.

Percentage of Sunny Days in September in Westende

The chart illustrates the percentage of sunny days in Westende throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Westende experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%29%39%51%39%35%40%38%38%31%22%16%
Data source: Westende September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Westende in September

In Westende, Belgium, the month of September brings a gradual transition as daylight begins to wane, offering about 12 hours of light each day. This marks a notable shift from the sun-drenched days of summer, where daylight peaked at a generous 16 hours in June and July. As the seasons change, September's daylight serves as a gentle reminder of autumn's approach, with a balance of warmth and the crisp air hinting at the months to come. The decrease in daylight continues into October, contrasting sharply with the vibrant 15 hours experienced in May. Observing these patterns, one can appreciate how the lengthening shadows of September create a picturesque backdrop, setting the stage for the cozy charm of fall in this coastal haven.

Average Daylight Hours in Westende for September

The chart illustrates the variation in daylight duration in Westende throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 27m10h11h 55m13h 52m15h 35m16h 28m16h14h 28m12h 34m10h 37m8h 53m7h 57m
Data source: Westende daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Westende

In September, the winds in Westende, Belgium begin to gracefully shift, with an average speed of 5.3 m/s (12 mph)—a noticeable dip from the brisk summer breezes. This marks a transition from the livelier gusts of August, which recorded 6.3 m/s (14 mph), towards the autumnal currents that will soon emerge. The pattern of wind speeds throughout the year reveals a journey from the robust winds of winter and early spring, peaking in January and October at 7.1 m/s (16 mph), to the more gentle, calming breezes of mid-summer. As September settles in, it whispers promises of cooler days ahead, inviting a peacefulness that ushers in the changing seasons.

Average September Wind Speed in Westende

The chart displays monthly wind speed patterns in Westende, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.17.16.66.36.14.65.66.35.3 m/s7.26.47.1
Data source: Westende September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Westende Compares to Other Months

Weather in Westende varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Westende, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, the weather is generally mild, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), resulting in an average temperature of 17°C (62°F). The month experiences 81 mm (3.2 in) of precipitation over approximately 11 days, coupled with a humidity level of 82%. In contrast, January brings much colder temperatures, with a minimum of -2°C (28°F) and a maximum of 13°C (55°F), averaging just 6°C (43°F). Although precipitation is similar at 79 mm (3.1 in), it falls over more days, totaling about 15, and the humidity rises to 91%. For more specifics about January weather, you can visit Westende weather in January.

September and February present stark contrasts in weather. September enjoys milder temperatures, ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), with an average of 17°C (62°F). In comparison, February is much colder, with temperatures dipping as low as -4°C (26°F) and averaging around 6°C (43°F), maxing out at 13°C (56°F). Precipitation is relatively similar, with September receiving 81 mm (3.2 in) over 11 days and February slightly lower at 73 mm (2.9 in) across 12 days. Additionally, humidity levels are higher in February at 89%, compared to September's 82%, making February feel colder than the numbers suggest. For more details, check out Westende weather in February.

September and March present contrasting weather patterns, reflecting the transition between summer and winter. In September, temperatures typically range from a mild 11°C (52°F) at night to a comfortable high of 24°C (76°F) during the day, accompanied by an average humidity of 82%. The month experiences moderate rainfall, with 81 mm (3.2 in) falling over 11 days. In contrast, March is significantly cooler, with temperatures dipping as low as -4°C (25°F) at night and averaging around 7°C (46°F). Although March sees slightly less precipitation at 70 mm (2.7 in) over 14 days, the humidity rises to 87%, contributing to a damp and chilly atmosphere. For more details on March weather in this region, you can visit Westende weather in March.

When comparing the weather in September and April, there is a notable difference in temperature and precipitation. September tends to be warmer, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), while April sees lower averages, with temperatures between 2°C (37°F) and 20°C (67°F). Additionally, September is wetter, receiving 81 mm (3.2 in) of precipitation over 11 days, compared to April's 35 mm (1.4 in) over just 8 days. Humidity levels are similar, with September at 82% and April at 85%. To get more details about April weather, you can check out Westende weather in April.

September and May offer distinct weather experiences, reflecting the transition from summer to autumn. In September, temperatures range from a mild minimum of 11°C (52°F) to a comfortable maximum of 24°C (76°F), averaging 17°C (62°F). This month also sees a higher level of precipitation at 81 mm (3.2 in) over 11 days, contributing to an environment rich in humidity at 82%. In contrast, May starts cooler with minimum temperatures around 6°C (44°F) and reaches a maximum of 22°C (71°F), averaging 12°C (55°F). With 57 mm (2.2 in) of rain accumulated over the same number of days, May presents drier conditions, yet maintains the same humidity level of 82%. For more details about the weather in May, you can visit Westende weather in May.

In comparing the weather between September and June, we see some notable similarities and differences. September boasts a slightly warmer average temperature of 17°C (62°F) compared to June's 16°C (61°F), with highs reaching 24°C (76°F) versus June's max of 25°C (78°F). Precipitation is more prevalent in September, with 81 mm (3.2 in) over 11 days, while June experiences less rain at 60 mm (2.4 in) across 9 days. Interestingly, both months share the same humidity level of 82%. For more detailed insights about June weather, you can visit Westende weather in June.

In comparing the weather between September and July, we see notable differences in temperature and precipitation. September experiences a cooler temperature range, with minimums dropping to 11°C (52°F), while July has slightly warmer lows of 14°C (58°F). The average temperature in September is 17°C (62°F), compared to July's warmer average of 18°C (65°F), but July peaks higher with a maximum temperature of 29°C (85°F) versus September's maximum of 24°C (76°F). Additionally, September receives more precipitation, totaling 81 mm (3.2 in) across 11 days, compared to July’s 58 mm (2.3 in) over the same number of days. Humidity levels are also similar, with September at 82% and July at 80%. For more detailed insights, check out the Westende weather in July.

September brings slightly cooler temperatures compared to August, with minimums around 11°C (52°F) and maximums reaching 24°C (76°F), while August enjoys warmer nights with a minimum of 13°C (56°F) and highs averaging 28°C (82°F). Both months experience similar levels of precipitation, with September receiving 81 mm (3.2 in) over 11 days and August seeing 85 mm (3.3 in) across 14 days, but September tends to be a bit more humid at 82% compared to August's 76%. For a closer look at August weather patterns, you can visit Westende weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures typically range from a mild 11°C (52°F) at night to a pleasant 24°C (76°F) during the day, with an average temperature of 17°C (62°F). This month experiences around 81 mm (3.2 in) of precipitation over approximately 11 days and maintains a relative humidity of 82%.

In contrast, October sees a drop in temperatures, with lows of 7°C (44°F) and highs reaching only 22°C (71°F), leading to an average of 14°C (57°F). This month is wetter, with precipitation increasing to 115 mm (4.5 in) spread over 18 days, while humidity also rises to 89%. For a more detailed overview, you can check Westende weather in October.

September typically offers milder temperatures, with an average of 17°C (63°F) and a maximum of 24°C (76°F), making it a pleasant month for outdoor activities. In contrast, November sees a significant drop in temperature, averaging just 10°C (50°F) and reaching a maximum of 17°C (63°F). While both months experience similar precipitation levels—81 mm (3.2 in) for September and 87 mm (3.4 in) for November—November tends to have more rainy days, totaling 15 compared to September's 11 days. Additionally, the humidity levels rise in November to 92%, compared to September's 82%, adding to the chill in the air. For more detailed information about the weather in November, visit Westende weather in November.

In September, the weather is generally milder with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F). This month sees about 81 mm (3.2 in) of precipitation over 11 days, with humidity at 82%. By contrast, December brings significantly cooler temperatures, averaging between 1°C (34°F) to a maximum of 13°C (55°F). Precipitation increases to 138 mm (5.4 in) over 20 days, and humidity rises to 92%. For more details about the December weather, you can visit Westende weather in December.

Compare Westende's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Westende

As summer gracefully transitions into autumn, September in Westende showcases a delightful blend of warm days and cooler evenings. With a maximum temperature that peaks at 24°C, it comforts sun-seekers while offering an average that encourages outdoor activities amidst nature's changing palette. While the average humidity hovers around a noticeable 82%, the increased likelihood of rainy days is a gentle reminder of the approaching fall, making the 81 mm of precipitation over the month a welcome blend for the lush landscapes. Overall, September stands apart from the preceding summer months, offering a unique charm that balances warmth with a refreshing hint of autumn. For detailed insights into the climate of this delightful coastal area, check out Westende Climate.