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September Weather in Le Trevoux, France

Last updated: August 23, 2025

In September, the average temperature in Le Trevoux, France is a pleasant 16°C (61°F). Expect a comfortable range, with minimums dipping to 7°C (45°F) and maximums reaching up to 29°C (85°F). During this month, precipitation averages around 49 mm (1.9 in) over approximately 9 days, contributing to a relatively high average humidity of 79%.

September Temperature in Le Trevoux

In September in Le Trevoux, the average temperature is 16°C (61°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as 7°C (45°F). This makes it a great time to enjoy outdoor activities while being prepared for both warm and cooler conditions.

September Weather in Le Trevoux: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Le Trevoux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Trevoux, September typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (85°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec444648515662656361554947
Data source: Temperature data for Le Trevoux 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 Le Trevoux

In Le Trevoux in September, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Le Trevoux

The chart displays monthly precipitation patterns in Le Trevoux, 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 Le Trevoux, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6086734470734757499787120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Le Trevoux

In Le Trevoux in September humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

September Average Humidity in Le Trevoux

This chart illustrates the average monthly humidity levels in Le Trevoux, 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 Le Trevoux is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%81%82%82%80%77%78%79%82%81%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Le Trevoux

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

Maximum UV Index Levels in Le Trevoux for September

The chart shows the monthly maximum UV Index (UVI) for Le Trevoux 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 Le Trevoux typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Le Trevoux 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 Le Trevoux Compares to Other Months

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

This table compares monthly weather conditions in Le Trevoux, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)60 mm (2.4 inches)82%low
February Weather8°C (46°F)86 mm (3.4 inches)83%moderate
March Weather9°C (48°F)73 mm (2.9 inches)81%moderate
April Weather11°C (52°F)44 mm (1.7 inches)82%high
May Weather13°C (56°F)70 mm (2.8 inches)82%very high
June Weather16°C (62°F)73 mm (2.9 inches)80%very high
July Weather18°C (65°F)47 mm (1.9 inches)77%very high
August Weather17°C (64°F)57 mm (2.2 inches)78%very high
September Weather16°C (61°F)49 mm (1.9 inches)79%high
October Weather13°C (56°F)97 mm (3.8 inches)82%moderate
November Weather9°C (49°F)86 mm (3.4 inches)81%low
December Weather8°C (47°F)120 mm (4.7 inches)82%low

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