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September Weather in Lonzee, Belgium

Last updated: August 22, 2025

In September, the average temperature in Lonzee, Belgium hovers around 15°C (59°F). However, don’t be surprised by temperature fluctuations; you may experience a minimum of 2°C (37°F) and a peak of 33°C (92°F). Expect around 65 mm (2.5 in) of rainfall over 11 days, with an average humidity level of 82%, making it a season of varied weather!

September Temperature in Lonzee

In September in Lonzee, the average temperature is 15°C (59°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 2°C (37°F). This unpredictable weather makes it essential to pack layers when traveling to Lonzee during this month.

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

The chart illustrates September temperature patterns in Lonzee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lonzee, September typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec384144495664656559534441
Data source: Temperature data for Lonzee 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 Lonzee

In Lonzee in September, the precipitation amount is 65 mm (2.5 in) over a span of 11 days.

September Precipitation Trends in Lonzee

The chart displays monthly precipitation patterns in Lonzee, 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 Lonzee, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6973774267787789658660105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lonzee

In Lonzee in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in Lonzee

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

In Lonzee 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 Lonzee.

Maximum UV Index Levels in Lonzee for September

The chart shows the monthly maximum UV Index (UVI) for Lonzee 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 Lonzee typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234578875421
Data source: Lonzee 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 Lonzee Compares to Other Months

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

This table compares monthly weather conditions in Lonzee, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)69 mm (2.7 inches)91%low
February Weather5°C (41°F)73 mm (2.9 inches)89%moderate
March Weather7°C (45°F)77 mm (3.0 inches)87%moderate
April Weather10°C (50°F)41 mm (1.6 inches)85%moderate
May Weather13°C (56°F)67 mm (2.6 inches)82%high
June Weather18°C (64°F)78 mm (3.1 inches)82%very high
July Weather19°C (66°F)77 mm (3.0 inches)80%very high
August Weather18°C (66°F)89 mm (3.5 inches)76%high
September Weather15°C (59°F)65 mm (2.5 inches)82%moderate
October Weather12°C (53°F)86 mm (3.4 inches)89%moderate
November Weather7°C (44°F)60 mm (2.3 inches)92%low
December Weather5°C (41°F)105 mm (4.1 inches)92%low

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