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September Weather in Chasteaux, France

Last updated: August 23, 2025

In Chasteaux, France, the average temperature in September hovers around 18°C (65°F). Visitors can expect a range from a cool 5°C (41°F) to a warm 33°C (92°F). The month also sees approximately 63 mm (2.5 in) of precipitation spread over 8 days, with an average humidity level of 79%. Prepare accordingly for a blend of comfortable warmth and occasional rain!

September Temperature in Chasteaux

In September in Chasteaux, the average temperature is 18°C (65°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 5°C (41°F). This makes Chasteaux an ideal destination for travelers seeking a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Chasteaux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chasteaux, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec404649546068727165574743
Data source: Temperature data for Chasteaux 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 Chasteaux

In Chasteaux in September, the precipitation amount is 63 mm (2.5 in) spread over 8 days.

September Precipitation Trends in Chasteaux

The chart displays monthly precipitation patterns in Chasteaux, 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 Chasteaux, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec75768566102995651638789146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chasteaux

In Chasteaux in September, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

September Average Humidity in Chasteaux

This chart illustrates the average monthly humidity levels in Chasteaux, 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 Chasteaux is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%84%84%82%79%75%79%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chasteaux

In Chasteaux in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Chasteaux.

Maximum UV Index Levels in Chasteaux for September

The chart shows the monthly maximum UV Index (UVI) for Chasteaux 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 Chasteaux typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23678101097532
Data source: Chasteaux 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 Chasteaux Compares to Other Months

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

This table compares monthly weather conditions in Chasteaux, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)75 mm (3.0 inches)90%low
February Weather8°C (46°F)76 mm (3.0 inches)87%moderate
March Weather9°C (49°F)85 mm (3.4 inches)85%high
April Weather12°C (55°F)66 mm (2.6 inches)84%high
May Weather16°C (61°F)102 mm (4.0 inches)84%very high
June Weather20°C (68°F)99 mm (3.9 inches)82%very high
July Weather22°C (72°F)56 mm (2.2 inches)79%very high
August Weather22°C (71°F)51 mm (2.0 inches)75%very high
September Weather18°C (65°F)63 mm (2.5 inches)79%high
October Weather14°C (57°F)87 mm (3.4 inches)86%moderate
November Weather9°C (48°F)89 mm (3.5 inches)90%moderate
December Weather6°C (44°F)146 mm (5.7 inches)92%low

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