nomadseason

September Weather in La Roche-Posay, France

Last updated: August 23, 2025

In September, the average temperature in La Roche-Posay, France is a pleasant 18°C (65°F). Temperatures can range from a cool 5°C (41°F) to a sizzling 36°C (97°F), offering a diverse weather experience. During this month, expect about 37 mm (1.5 in) of precipitation spread over 6 days, contributing to an average humidity of 76%. Enjoy the balance of warmth and moisture as you explore!

September Temperature in La Roche-Posay

In September in La Roche-Posay, the average temperature is 18°C (65°F). Maximums can reach 36°C (97°F), and minimums can drop as low as 5°C (41°F). It's advisable to pack for both warm and cooler conditions while exploring this destination.

September Weather in La Roche-Posay: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Roche-Posay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Roche-Posay, September typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548546067717064564744
Data source: Temperature data for La Roche-Posay 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 La Roche-Posay

In La Roche-Posay in September, the precipitation amount is 37 mm (1.5 in) over the course of 6 days.

September Precipitation Trends in La Roche-Posay

The chart displays monthly precipitation patterns in La Roche-Posay, 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 La Roche-Posay, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5864725183783327377672100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in La Roche-Posay

In La Roche-Posay in September, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

September Average Humidity in La Roche-Posay

This chart illustrates the average monthly humidity levels in La Roche-Posay, 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 La Roche-Posay is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%85%84%83%79%71%68%76%87%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Roche-Posay

In La Roche-Posay 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 La Roche-Posay, you can refer to this Hourly UV Index in La Roche-Posay.

Maximum UV Index Levels in La Roche-Posay for September

The chart shows the monthly maximum UV Index (UVI) for La Roche-Posay 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 La Roche-Posay typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: La Roche-Posay 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 La Roche-Posay Compares to Other Months

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

This table compares monthly weather conditions in La Roche-Posay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)58 mm (2.3 inches)90%low
February Weather7°C (45°F)64 mm (2.5 inches)88%moderate
March Weather9°C (49°F)72 mm (2.8 inches)85%moderate
April Weather12°C (54°F)51 mm (2.0 inches)83%high
May Weather15°C (60°F)83 mm (3.3 inches)83%very high
June Weather20°C (67°F)78 mm (3.1 inches)79%very high
July Weather22°C (71°F)33 mm (1.3 inches)71%very high
August Weather21°C (70°F)27 mm (1.0 inches)68%very high
September Weather18°C (65°F)37 mm (1.5 inches)76%high
October Weather14°C (57°F)76 mm (3.0 inches)87%moderate
November Weather8°C (47°F)72 mm (2.8 inches)91%low
December Weather7°C (45°F)100 mm (3.9 inches)93%low

Compare La Roche-Posay's Climate with Cities Worldwide