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September Weather in Wavre, Belgium

Last updated: August 22, 2025

In September, the average temperature in Wavre, Belgium hovers around 15°C (60°F). Expect a range from a cool 4°C (39°F) to a warm 33°C (91°F). During this time, precipitation averages 58 mm (2.3 in) spread across 10 days, and you can anticipate a high humidity level of around 82%.

September Temperature in Wavre

In September in Wavre, 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 Wavre a great destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Wavre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wavre, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394145505664666660544542
Data source: Temperature data for Wavre 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 Wavre

In Wavre in September, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

September Precipitation Trends in Wavre

The chart displays monthly precipitation patterns in Wavre, 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 Wavre, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec657071376072748458785892
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wavre

In Wavre 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 Wavre

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

In Wavre 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 Wavre.

Maximum UV Index Levels in Wavre for September

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

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

This table compares monthly weather conditions in Wavre, 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 (2.6 inches)91%low
February Weather5°C (42°F)70 mm (2.7 inches)89%low
March Weather7°C (45°F)71 mm (2.8 inches)87%moderate
April Weather10°C (50°F)36 mm (1.4 inches)85%moderate
May Weather13°C (57°F)60 mm (2.4 inches)82%high
June Weather18°C (65°F)72 mm (2.8 inches)82%very high
July Weather19°C (66°F)74 mm (2.9 inches)80%very high
August Weather19°C (66°F)84 mm (3.3 inches)76%high
September Weather15°C (60°F)58 mm (2.3 inches)82%moderate
October Weather12°C (54°F)78 mm (3.1 inches)89%moderate
November Weather7°C (45°F)57 mm (2.3 inches)92%low
December Weather5°C (42°F)92 mm (3.6 inches)92%low

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