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September Weather in Sugny, Belgium

Last updated: August 22, 2025

In Sugny, Belgium, the average temperature in September hovers around 15°C (59°F). However, be prepared for a range: temperatures can dip as low as 3°C (38°F) or soar up to 33°C (92°F). With an average precipitation of 70 mm (2.8 in) spread over 10 days, the atmosphere can feel quite humid, with an average humidity level of 81%.

September Temperature in Sugny

In September in Sugny, the average temperature is 15°C (59°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 3°C (38°F). This makes Sugny a great destination for travelers looking to enjoy mild weather with the possibility of warm days and cool nights.

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

The chart illustrates September temperature patterns in Sugny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sugny, 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 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943495564656559524339
Data source: Temperature data for Sugny 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 Sugny

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

September Precipitation Trends in Sugny

The chart displays monthly precipitation patterns in Sugny, 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 Sugny, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec92909946797873777010280146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sugny

In Sugny 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 Sugny

This chart illustrates the average monthly humidity levels in Sugny, 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 Sugny is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sugny

In Sugny 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 Sugny, you can refer to this Hourly UV Index in Sugny.

Maximum UV Index Levels in Sugny for September

The chart shows the monthly maximum UV Index (UVI) for Sugny 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 Sugny typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688886421
Data source: Sugny 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 Sugny Compares to Other Months

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

This table compares monthly weather conditions in Sugny, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)92 mm (3.6 inches)91%low
February Weather4°C (40°F)90 mm (3.5 inches)89%moderate
March Weather6°C (44°F)99 mm (3.9 inches)86%moderate
April Weather9°C (49°F)46 mm (1.8 inches)84%high
May Weather13°C (55°F)79 mm (3.1 inches)82%very high
June Weather18°C (64°F)78 mm (3.1 inches)82%very high
July Weather18°C (66°F)73 mm (2.9 inches)80%very high
August Weather18°C (65°F)77 mm (3.0 inches)76%very high
September Weather15°C (59°F)70 mm (2.8 inches)81%high
October Weather11°C (52°F)102 mm (4.0 inches)88%moderate
November Weather6°C (43°F)80 mm (3.2 inches)92%low
December Weather4°C (39°F)146 mm (5.8 inches)93%low

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