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September Weather in Perthes, France

Last updated: August 23, 2025

In September, the average temperature in Perthes, France stands at a pleasant 17°C (62°F). Expect a temperature range with minimums dipping to 5°C (42°F) and maximums reaching up to 34°C (94°F). You may encounter some rain, with an average precipitation of 64 mm (2.5 in) spread over 9 days. Don’t forget to factor in the 81% humidity for a fully immersive experience!

September Temperature in Perthes

In September in Perthes, the average temperature is 17°C (62°F). Maximums can reach up to 34°C (94°F), while minimums can drop as low as 5°C (42°F). This varied climate makes Perthes a great destination for travelers seeking a mix of warm and cool weather experiences.

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

The chart illustrates September temperature patterns in Perthes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Perthes, September typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec384246525867706962544542
Data source: Temperature data for Perthes 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 Perthes

In Perthes in September, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

September Precipitation Trends in Perthes

The chart displays monthly precipitation patterns in Perthes, 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 Perthes, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9579853276645556648373142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Perthes

In Perthes in September, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

September Average Humidity in Perthes

This chart illustrates the average monthly humidity levels in Perthes, 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 Perthes is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Perthes

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

Maximum UV Index Levels in Perthes for September

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

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

This table compares monthly weather conditions in Perthes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)95 mm (3.8 inches)91%low
February Weather6°C (43°F)79 mm (3.1 inches)89%moderate
March Weather8°C (46°F)85 mm (3.4 inches)86%moderate
April Weather11°C (52°F)32 mm (1.3 inches)84%high
May Weather15°C (58°F)76 mm (3.0 inches)82%very high
June Weather19°C (67°F)64 mm (2.5 inches)82%very high
July Weather21°C (70°F)55 mm (2.2 inches)80%very high
August Weather21°C (69°F)56 mm (2.2 inches)76%very high
September Weather17°C (62°F)64 mm (2.5 inches)81%high
October Weather12°C (55°F)83 mm (3.3 inches)88%moderate
November Weather7°C (45°F)73 mm (2.9 inches)92%low
December Weather5°C (42°F)142 mm (5.6 inches)93%low

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