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September Weather in Mendonk, Belgium

Last updated: August 22, 2025

In September, the average temperature in Mendonk, Belgium hovers around 16°C (61°F). Expect a minimum of 5°C (41°F) and a maximum reaching up to 32°C (90°F). During this month, precipitation amounts to 56 mm (2.2 in) over 10 days, contributing to an average humidity level of 82%. Enjoy the varied weather as you explore!

September Temperature in Mendonk

In September, in Mendonk, the average temperature is 16°C (61°F). Maximum temperatures can reach 32°C (90°F), while minimums can dip to as low as 5°C (41°F). This variability makes Mendonk a great destination for travelers who enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Mendonk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mendonk, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505764666660554643
Data source: Temperature data for Mendonk 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 Mendonk

In Mendonk in September, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

September Precipitation Trends in Mendonk

The chart displays monthly precipitation patterns in Mendonk, 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 Mendonk, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec626165406064677556825490
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mendonk

In Mendonk 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 Mendonk

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

In Mendonk 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 Mendonk.

Maximum UV Index Levels in Mendonk for September

The chart shows the monthly maximum UV Index (UVI) for Mendonk 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 Mendonk typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Mendonk 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 Mendonk Compares to Other Months

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

This table compares monthly weather conditions in Mendonk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)62 mm (2.4 inches)91%low
February Weather6°C (42°F)61 mm (2.4 inches)89%low
March Weather7°C (46°F)65 mm (2.6 inches)87%moderate
April Weather10°C (51°F)40 mm (1.6 inches)85%moderate
May Weather14°C (57°F)60 mm (2.4 inches)82%high
June Weather18°C (64°F)64 mm (2.5 inches)82%very high
July Weather19°C (66°F)67 mm (2.6 inches)80%very high
August Weather19°C (66°F)75 mm (3.0 inches)76%high
September Weather16°C (61°F)56 mm (2.2 inches)82%moderate
October Weather13°C (55°F)82 mm (3.2 inches)89%moderate
November Weather8°C (47°F)54 mm (2.1 inches)92%low
December Weather6°C (43°F)90 mm (3.6 inches)92%low

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