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September Weather in Les Avins, Belgium

Last updated: August 22, 2025

In September, the average temperature in Les Avins, Belgium hovers around 15°C (59°F), with extremes ranging from a chilly 2°C (36°F) to a warm 34°C (93°F). Expect about 68 mm (2.7 in) of precipitation spread over 11 days, contributing to an average humidity level of 81%.

September Temperature in Les Avins

In September in Les Avins, the average temperature is 15°C (59°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 2°C (36°F). This variation in temperature makes Les Avins an ideal destination for travelers seeking both warm and cool experiences.

September Weather in Les Avins: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Les Avins, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Les Avins, September typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec374044495564656559534440
Data source: Temperature data for Les Avins 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 Les Avins

In Les Avins in September, the total precipitation amount is 68 mm (2.7 in) spread over a duration of 11 days.

September Precipitation Trends in Les Avins

The chart displays monthly precipitation patterns in Les Avins, 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 Les Avins, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7978884269808384689063116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Les Avins

In Les Avins in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

September Average Humidity in Les Avins

This chart illustrates the average monthly humidity levels in Les Avins, 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 Les Avins is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Les Avins

In Les Avins 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 Les Avins.

Maximum UV Index Levels in Les Avins for September

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

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

This table compares monthly weather conditions in Les Avins, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)79 mm (3.1 inches)91%low
February Weather5°C (41°F)78 mm (3.1 inches)90%moderate
March Weather7°C (44°F)88 mm (3.5 inches)87%moderate
April Weather9°C (49°F)41 mm (1.6 inches)84%moderate
May Weather13°C (56°F)69 mm (2.7 inches)77%high
June Weather18°C (64°F)80 mm (3.2 inches)74%very high
July Weather18°C (66°F)83 mm (3.3 inches)72%very high
August Weather18°C (65°F)84 mm (3.3 inches)71%high
September Weather15°C (59°F)68 mm (2.7 inches)81%moderate
October Weather11°C (53°F)90 mm (3.5 inches)88%moderate
November Weather7°C (44°F)63 mm (2.5 inches)91%low
December Weather5°C (41°F)116 mm (4.6 inches)92%low

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