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September Weather in Athus, Belgium

Last updated: August 22, 2025

In Athus, Belgium, the average temperature in September is a comfortable 15°C (59°F), with minimums dipping to 4°C (39°F) and maximums soaring to 32°C (90°F). Expect precipitation of around 70 mm (2.8 in) spread over 10 days, contributing to an average humidity of 83%. Perfect for those who enjoy a mild and slightly damp climate!

September Temperature in Athus

In September in Athus average temperature is 15°C (59°F). Maximum can reach 32°C (90°F) and minimum can be as low as 4°C (39°F). Be prepared for a mix of warm and cool weather when traveling during this month.

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

The chart illustrates September temperature patterns in Athus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Athus, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943495564666659524239
Data source: Temperature data for Athus 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 Athus

In Athus in September, the precipitation amount is 70 mm (2.8 in) over a period of 10 days.

September Precipitation Trends in Athus

The chart displays monthly precipitation patterns in Athus, 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 Athus, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7983884279807367708775136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Athus

In Athus in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.

September Average Humidity in Athus

This chart illustrates the average monthly humidity levels in Athus, 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 Athus is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Athus

In Athus in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Athus, you can refer to this Hourly UV Index in Athus.

Maximum UV Index Levels in Athus for September

The chart shows the monthly maximum UV Index (UVI) for Athus 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 Athus typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Athus 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 Athus Compares to Other Months

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

This table compares monthly weather conditions in Athus, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)79 mm (3.1 inches)91%low
February Weather4°C (39°F)83 mm (3.3 inches)90%moderate
March Weather6°C (43°F)88 mm (3.4 inches)88%moderate
April Weather10°C (49°F)42 mm (1.6 inches)84%high
May Weather13°C (56°F)79 mm (3.1 inches)81%very high
June Weather18°C (64°F)80 mm (3.1 inches)82%very high
July Weather19°C (66°F)73 mm (2.9 inches)82%very high
August Weather19°C (66°F)67 mm (2.6 inches)80%very high
September Weather15°C (59°F)70 mm (2.8 inches)83%high
October Weather11°C (52°F)87 mm (3.4 inches)89%moderate
November Weather6°C (43°F)75 mm (2.9 inches)91%low
December Weather4°C (39°F)136 mm (5.4 inches)93%low

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