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September Weather in Lyons-la-Foret, France

Last updated: August 23, 2025

In September, the average temperature in Lyons-la-Foret, France hovers around 15°C (60°F), with a minimum dipping to 4°C (40°F) and a maximum soaring to 30°C (86°F). Expect a precipitation amount of 46 mm (1.8 in) spread over about 11 days, and enjoy an average humidity level of 76%.

September Temperature in Lyons-la-Foret

In September in Lyons-la-Foret, the average temperature is 15°C (60°F). Maximums can reach 30°C (86°F), and minimums can be as low as 4°C (40°F). This range of temperatures makes it a great time for travelers to explore the area while enjoying mild weather.

September Weather in Lyons-la-Foret: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lyons-la-Foret, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lyons-la-Foret, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505563666560544543
Data source: Temperature data for Lyons-la-Foret 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 Lyons-la-Foret

In Lyons-la-Foret in September, the precipitation amount is 46 mm (1.8 in) over the course of 11 days.

September Precipitation Trends in Lyons-la-Foret

The chart displays monthly precipitation patterns in Lyons-la-Foret, 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 Lyons-la-Foret, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6268773885704571468178110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lyons-la-Foret

In Lyons-la-Foret in September humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

September Average Humidity in Lyons-la-Foret

This chart illustrates the average monthly humidity levels in Lyons-la-Foret, 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 Lyons-la-Foret is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lyons-la-Foret

In Lyons-la-Foret 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 Lyons-la-Foret, you can refer to this Hourly UV Index in Lyons-la-Foret.

Maximum UV Index Levels in Lyons-la-Foret for September

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

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

This table compares monthly weather conditions in Lyons-la-Foret, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)62 mm (2.4 inches)91%low
February Weather6°C (42°F)68 mm (2.7 inches)89%moderate
March Weather7°C (46°F)77 mm (3.0 inches)85%moderate
April Weather10°C (50°F)38 mm (1.5 inches)84%high
May Weather13°C (56°F)85 mm (3.3 inches)82%very high
June Weather17°C (63°F)70 mm (2.7 inches)80%very high
July Weather19°C (66°F)44 mm (1.8 inches)73%very high
August Weather18°C (65°F)71 mm (2.8 inches)68%very high
September Weather15°C (60°F)46 mm (1.8 inches)76%high
October Weather12°C (54°F)81 mm (3.2 inches)88%moderate
November Weather7°C (46°F)78 mm (3.1 inches)92%low
December Weather6°C (43°F)110 mm (4.3 inches)93%low

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