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September Weather in Descartes, France

Last updated: August 23, 2025

In September, the average temperature in Descartes, France is a pleasant 18°C (65°F), with a minimum dipping to 5°C (41°F) and a maximum soaring to 36°C (97°F). Expect about 35 mm (1.4 in) of precipitation spread over 6 days, alongside an average humidity of 76%. Perfect for those who enjoy a balance of warmth and occasional showers!

September Temperature in Descartes

In September in Descartes, the average temperature is 18°C (65°F). Maximums can reach 36°C (97°F), and minimums can drop as low as 5°C (41°F). It's advisable to pack for both warm and cooler conditions while exploring this destination.

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

The chart illustrates September temperature patterns in Descartes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Descartes, September typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548545967717064564744
Data source: Temperature data for Descartes 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 Descartes

In Descartes in September, the total precipitation amount is 35 mm (1.4 in) spread over a period of 6 days.

September Precipitation Trends in Descartes

The chart displays monthly precipitation patterns in Descartes, 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 Descartes, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec586771498579322835787398
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Descartes

In Descartes in September, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Descartes

This chart illustrates the average monthly humidity levels in Descartes, 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 Descartes is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%85%84%83%79%71%68%76%87%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Descartes

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

Maximum UV Index Levels in Descartes for September

The chart shows the monthly maximum UV Index (UVI) for Descartes 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 Descartes typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Descartes 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 Descartes Compares to Other Months

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

This table compares monthly weather conditions in Descartes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)58 mm (2.3 inches)90%low
February Weather7°C (45°F)67 mm (2.6 inches)88%moderate
March Weather9°C (49°F)71 mm (2.8 inches)85%moderate
April Weather12°C (54°F)49 mm (1.9 inches)83%high
May Weather15°C (60°F)85 mm (3.4 inches)83%very high
June Weather19°C (67°F)79 mm (3.1 inches)79%very high
July Weather22°C (71°F)32 mm (1.3 inches)71%very high
August Weather21°C (70°F)28 mm (1.1 inches)68%very high
September Weather18°C (65°F)35 mm (1.4 inches)76%high
October Weather14°C (57°F)78 mm (3.1 inches)87%moderate
November Weather8°C (47°F)73 mm (2.9 inches)91%low
December Weather7°C (45°F)98 mm (3.8 inches)93%low

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