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September Weather in Westouter, Belgium

Last updated: August 22, 2025

In Westouter, Belgium, the average temperature in September hovers around 16°C (61°F). During this time, temperatures can dip as low as 4°C (40°F) and soar to a maximum of 31°C (88°F). Expect some rain, with an average precipitation of 49 mm (1.9 in) over 9 days. Humidity levels are typically high, averaging at 82%, adding to the overall climate experience of the region.

September Temperature in Westouter

In September in Westouter, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 4°C (40°F). This climate makes it ideal for travelers seeking a mix of warm days and cooler nights.

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

The chart illustrates September temperature patterns in Westouter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westouter, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346505663666560554643
Data source: Temperature data for Westouter 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 Westouter

In Westouter in September, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Westouter

The chart displays monthly precipitation patterns in Westouter, 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 Westouter, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec635762366260497049805694
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Westouter

In Westouter in September humidity is 82%. With an average temperature of 16°C (61°F), this humidity feels like a heavy blanket enveloping you, making travel feel a bit sluggish and requiring frequent breaks to hydrate and cool down.

September Average Humidity in Westouter

This chart illustrates the average monthly humidity levels in Westouter, 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 Westouter is approximately 82%, 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 Westouter

In Westouter in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Westouter.

Maximum UV Index Levels in Westouter for September

The chart shows the monthly maximum UV Index (UVI) for Westouter 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 Westouter typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Westouter 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.

How September Weather in Westouter Compares to Other Months

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

This table compares monthly weather conditions in Westouter, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)63 mm (2.5 inches)91%low
February Weather6°C (43°F)57 mm (2.2 inches)89%low
March Weather8°C (46°F)62 mm (2.4 inches)87%moderate
April Weather10°C (50°F)36 mm (1.4 inches)85%moderate
May Weather13°C (56°F)62 mm (2.4 inches)82%high
June Weather17°C (64°F)60 mm (2.4 inches)82%very high
July Weather19°C (66°F)49 mm (1.9 inches)80%very high
August Weather19°C (66°F)70 mm (2.8 inches)76%high
September Weather16°C (61°F)49 mm (1.9 inches)82%moderate
October Weather13°C (55°F)80 mm (3.2 inches)89%moderate
November Weather8°C (47°F)56 mm (2.2 inches)92%low
December Weather6°C (43°F)94 mm (3.7 inches)92%low

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