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September Weather in Avallon, France

Last updated: August 23, 2025

In September, the average temperature in Avallon, France is a pleasant 16°C (62°F). Temperatures can vary significantly, with a minimum of 2°C (37°F) and a maximum reaching up to 34°C (94°F). Be prepared for some rain, as there is an average precipitation amount of 58 mm (2.3 in) over 9 days. With an average humidity of 78%, it’s essential to stay comfortable during your visit!

September Temperature in Avallon

In September in Avallon, the average temperature is 16°C (62°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 2°C (37°F). Be sure to pack for a range of weather conditions if you're traveling during this time.

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

The chart illustrates September temperature patterns in Avallon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avallon, September typically has an average temperature of 16°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec384246515766696862544441
Data source: Temperature data for Avallon 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 Avallon

In Avallon in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Avallon

The chart displays monthly precipitation patterns in Avallon, 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 Avallon, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9376884389876250588678140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Avallon

In Avallon in September, humidity is 78%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities enjoyable yet slightly sticky. Travelers may find the weather pleasantly mild, though they'll appreciate having light, breathable clothing on hand to stay comfortable while exploring.

September Average Humidity in Avallon

This chart illustrates the average monthly humidity levels in Avallon, 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 Avallon is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%82%82%79%72%78%88%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Avallon

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

Maximum UV Index Levels in Avallon for September

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

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

This table compares monthly weather conditions in Avallon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)93 mm (3.7 inches)91%low
February Weather6°C (42°F)76 mm (3.0 inches)89%moderate
March Weather8°C (46°F)88 mm (3.5 inches)86%moderate
April Weather11°C (52°F)43 mm (1.7 inches)84%high
May Weather14°C (57°F)89 mm (3.5 inches)82%very high
June Weather19°C (66°F)87 mm (3.4 inches)82%very high
July Weather20°C (69°F)62 mm (2.4 inches)79%very high
August Weather20°C (68°F)50 mm (2.0 inches)72%very high
September Weather16°C (62°F)58 mm (2.3 inches)78%high
October Weather12°C (54°F)86 mm (3.4 inches)88%moderate
November Weather7°C (45°F)78 mm (3.1 inches)91%low
December Weather5°C (41°F)140 mm (5.5 inches)93%low

Compare Avallon's Climate with Cities Worldwide