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September Weather in Chassal, France

Last updated: August 23, 2025

In September, the average temperature in Chassal, France hovers around 15°C (60°F), with a minimum of 3°C (37°F) and the possibility of rising to a pleasant 29°C (85°F). Expect some rain, as precipitation amounts reach 93 mm (3.7 in) over approximately 10 days, while the average humidity remains high at 81%.

September Temperature in Chassal

In September in Chassal, the average temperature is 15°C (60°F). Maximums can reach 29°C (85°F) and minimums can be as low as 3°C (37°F). This climate offers a pleasant range for travelers, making it an ideal time to explore Chassal.

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

The chart illustrates September temperature patterns in Chassal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chassal, September typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (85°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec354044505664676760514237
Data source: Temperature data for Chassal 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 Chassal

In Chassal in September, the precipitation amount is 93 mm (3.7 in) over the course of 10 days.

September Precipitation Trends in Chassal

The chart displays monthly precipitation patterns in Chassal, 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 Chassal, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1471111597117515111110393131133252
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chassal

In Chassal in September, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

September Average Humidity in Chassal

This chart illustrates the average monthly humidity levels in Chassal, 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 Chassal is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chassal

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

Maximum UV Index Levels in Chassal for September

The chart shows the monthly maximum UV Index (UVI) for Chassal 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 Chassal typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356810986432
Data source: Chassal 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 Chassal Compares to Other Months

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

This table compares monthly weather conditions in Chassal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)147 mm (5.8 inches)91%low
February Weather4°C (40°F)111 mm (4.4 inches)89%moderate
March Weather6°C (44°F)159 mm (6.3 inches)87%moderate
April Weather10°C (50°F)71 mm (2.8 inches)84%high
May Weather13°C (56°F)175 mm (6.9 inches)80%very high
June Weather18°C (65°F)151 mm (5.9 inches)82%very high
July Weather20°C (68°F)111 mm (4.4 inches)82%very high
August Weather19°C (67°F)103 mm (4.1 inches)77%very high
September Weather15°C (60°F)93 mm (3.7 inches)81%high
October Weather11°C (52°F)131 mm (5.2 inches)89%moderate
November Weather5°C (42°F)133 mm (5.2 inches)89%moderate
December Weather3°C (38°F)252 mm (9.9 inches)91%low

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