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September Weather in Vlezenbeek, Belgium

Last updated: August 22, 2025

In Vlezenbeek, Belgium, the average temperature in September hovers around 15°C (60°F), with a minimum dip to as low as 4°C (39°F) and a peak reaching up to 33°C (91°F). Expect a moderate precipitation of 55 mm (2.2 in) spread across about 9 days, accompanied by an average humidity level of 82%. Prepare for a diverse range of weather!

September Temperature in Vlezenbeek

In September in Vlezenbeek, the average temperature is 15°C (60°F). Maximums can reach 33°C (91°F) and minimums can be as low as 4°C (39°F). This makes Vlezenbeek a great destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Vlezenbeek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vlezenbeek, September typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec394245505664666660544542
Data source: Temperature data for Vlezenbeek 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 Vlezenbeek

In Vlezenbeek in September, the precipitation amount is 55 mm (2.2 in) over a span of 9 days.

September Precipitation Trends in Vlezenbeek

The chart displays monthly precipitation patterns in Vlezenbeek, 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 Vlezenbeek, September typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec656971375866718055765793
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vlezenbeek

In Vlezenbeek in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

September Average Humidity in Vlezenbeek

This chart illustrates the average monthly humidity levels in Vlezenbeek, 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 Vlezenbeek 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 Vlezenbeek

In Vlezenbeek 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 Vlezenbeek.

Maximum UV Index Levels in Vlezenbeek for September

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

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

This table compares monthly weather conditions in Vlezenbeek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)65 mm (2.5 inches)91%low
February Weather5°C (42°F)69 mm (2.7 inches)89%low
March Weather7°C (45°F)70 mm (2.8 inches)87%moderate
April Weather10°C (50°F)37 mm (1.5 inches)85%moderate
May Weather13°C (57°F)58 mm (2.3 inches)82%high
June Weather18°C (65°F)66 mm (2.6 inches)82%very high
July Weather19°C (66°F)71 mm (2.8 inches)80%very high
August Weather19°C (66°F)80 mm (3.2 inches)76%high
September Weather15°C (60°F)55 mm (2.2 inches)82%moderate
October Weather12°C (54°F)76 mm (3.0 inches)89%moderate
November Weather7°C (45°F)57 mm (2.2 inches)92%low
December Weather5°C (42°F)93 mm (3.7 inches)92%low

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