September Weather in Saint-Jean-Bonnefonds, France

Last updated: August 23, 2025

In September, the average temperature in Saint-Jean-Bonnefonds, France hovers around 16°C (61°F). However, temperatures can fluctuate, with a minimum dropping to 3°C (37°F) and a maximum soaring up to 32°C (89°F). During this month, expect about 57 mm (2.3 in) of precipitation spread over 9 days, contributing to an average humidity level of 72%.

September Temperature in Saint-Jean-Bonnefonds

In September in Saint-Jean-Bonnefonds, the average temperature is 16°C (61°F). Maximum temperatures can reach 32°C (89°F), while the minimum can drop as low as 3°C (37°F). Be prepared for a range of weather conditions when traveling during this time.

September Weather in Saint-Jean-Bonnefonds: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saint-Jean-Bonnefonds, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Jean-Bonnefonds, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (89°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec364145505765696861534339
Data source: Temperature data for Saint-Jean-Bonnefonds 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 Saint-Jean-Bonnefonds

In Saint-Jean-Bonnefonds in September, the precipitation amount is 57 mm (2.3 in) over the course of 9 days.

September Precipitation Trends in Saint-Jean-Bonnefonds

The chart displays monthly precipitation patterns in Saint-Jean-Bonnefonds, 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 Saint-Jean-Bonnefonds, September typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5947646011294895957908693
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saint-Jean-Bonnefonds

In Saint-Jean-Bonnefonds in September humidity is 72%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making every step feel heavier and requiring extra effort while traveling.

September Average Humidity in Saint-Jean-Bonnefonds

This chart illustrates the average monthly humidity levels in Saint-Jean-Bonnefonds, 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 Saint-Jean-Bonnefonds is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%88%84%81%77%76%68%61%72%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saint-Jean-Bonnefonds

In Saint-Jean-Bonnefonds 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 Saint-Jean-Bonnefonds.

Maximum UV Index Levels in Saint-Jean-Bonnefonds for September

The chart shows the monthly maximum UV Index (UVI) for Saint-Jean-Bonnefonds 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 Saint-Jean-Bonnefonds typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810997532
Data source: Saint-Jean-Bonnefonds 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 Saint-Jean-Bonnefonds Compares to Other Months

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

This table compares monthly weather conditions in Saint-Jean-Bonnefonds, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)59 mm (2.3 inches)91%low
February Weather5°C (41°F)47 mm (1.9 inches)88%moderate
March Weather7°C (45°F)64 mm (2.5 inches)84%high
April Weather10°C (51°F)60 mm (2.4 inches)81%high
May Weather14°C (57°F)112 mm (4.4 inches)77%very high
June Weather19°C (66°F)93 mm (3.7 inches)76%very high
July Weather21°C (69°F)89 mm (3.5 inches)68%very high
August Weather20°C (69°F)59 mm (2.3 inches)61%very high
September Weather16°C (61°F)57 mm (2.3 inches)72%high
October Weather12°C (53°F)90 mm (3.5 inches)88%moderate
November Weather6°C (44°F)86 mm (3.4 inches)91%moderate
December Weather4°C (40°F)93 mm (3.7 inches)92%low

Compare Saint-Jean-Bonnefonds's Climate with Cities Worldwide