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September Weather in Mardeuil, France

Last updated: August 23, 2025

In Mardeuil, France, the average temperature in September hovers around 17°C (62°F), with a minimum dipping to 5°C (41°F) and a maximum soaring to 34°C (94°F). Expect about 60 mm (2.3 in) of precipitation spread across 8 days, resulting in an average humidity of 81%. Perfect for a cozy month!

September Temperature in Mardeuil

In September in Mardeuil, the average temperature is 17°C (62°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 5°C (41°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for fluctuating temperatures.

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

The chart illustrates September temperature patterns in Mardeuil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mardeuil, September typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec384245515866696862544542
Data source: Temperature data for Mardeuil 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 Mardeuil

In Mardeuil in September, the precipitation amount is 60 mm (2.3 in) over a span of 8 days.

September Precipitation Trends in Mardeuil

The chart displays monthly precipitation patterns in Mardeuil, 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 Mardeuil, September typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7172703669666259608467110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mardeuil

In Mardeuil in September, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

September Average Humidity in Mardeuil

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

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

Maximum UV Index Levels in Mardeuil for September

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

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

This table compares monthly weather conditions in Mardeuil, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)71 mm (2.8 inches)91%low
February Weather6°C (42°F)72 mm (2.8 inches)89%moderate
March Weather7°C (46°F)70 mm (2.7 inches)86%moderate
April Weather11°C (52°F)36 mm (1.4 inches)84%high
May Weather14°C (58°F)69 mm (2.7 inches)82%very high
June Weather19°C (66°F)66 mm (2.6 inches)82%very high
July Weather20°C (69°F)62 mm (2.4 inches)80%very high
August Weather20°C (69°F)59 mm (2.3 inches)76%very high
September Weather17°C (62°F)60 mm (2.3 inches)81%high
October Weather12°C (54°F)84 mm (3.3 inches)88%moderate
November Weather7°C (45°F)67 mm (2.6 inches)92%low
December Weather5°C (42°F)110 mm (4.3 inches)93%low

Compare Mardeuil's Climate with Cities Worldwide