nomadseason

September Weather in Chavenay, France

Last updated: August 23, 2025

In September, the average temperature in Chavenay, France hovers around 16°C (62°F), with a minimum dipping to 4°C (40°F) and a maximum soaring to 33°C (92°F). Expect about 50 mm (2.0 in) of precipitation spread across 9 days, and be prepared for an average humidity level of 76%.

September Temperature in Chavenay

In September in Chavenay, the average temperature is 16°C (62°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 4°C (40°F). Therefore, travelers should prepare for a range of temperatures and pack accordingly for both warmer and cooler conditions.

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

The chart illustrates September temperature patterns in Chavenay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chavenay, September typically has an average temperature of 16°C (62°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346525765686761544643
Data source: Temperature data for Chavenay generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Chavenay

In Chavenay in September, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

September Precipitation Trends in Chavenay

The chart displays monthly precipitation patterns in Chavenay, 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 Chavenay, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5666763781805062507965101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Chavenay

In Chavenay in September, humidity is 76%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes exploring the outdoors feel both refreshing and slightly muggy, urging travelers to take breaks often and enjoy the shade.

September Average Humidity in Chavenay

This chart illustrates the average monthly humidity levels in Chavenay, 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 Chavenay is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chavenay

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

Maximum UV Index Levels in Chavenay for September

The chart shows the monthly maximum UV Index (UVI) for Chavenay 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 Chavenay typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689886421
Data source: Chavenay 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 Chavenay Compares to Other Months

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

This table compares monthly weather conditions in Chavenay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)56 mm (2.2 inches)91%low
February Weather6°C (43°F)66 mm (2.6 inches)89%moderate
March Weather8°C (47°F)76 mm (3.0 inches)85%moderate
April Weather11°C (52°F)37 mm (1.5 inches)84%high
May Weather14°C (58°F)80 mm (3.2 inches)82%very high
June Weather18°C (65°F)80 mm (3.2 inches)80%very high
July Weather20°C (69°F)50 mm (2.0 inches)73%very high
August Weather20°C (67°F)62 mm (2.4 inches)68%very high
September Weather16°C (62°F)50 mm (2.0 inches)76%high
October Weather12°C (55°F)79 mm (3.1 inches)88%moderate
November Weather8°C (46°F)65 mm (2.5 inches)92%low
December Weather6°C (43°F)101 mm (4.0 inches)93%low

Compare Chavenay's Climate with Cities Worldwide