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September Weather in Saint-Paterne, France

Last updated: August 23, 2025

In September, the average temperature in Saint-Paterne, France hovers around 15°C (60°F). Daytime highs can reach up to 31°C (88°F), while nights may dip as low as 4°C (39°F). Expect about 51 mm (2.0 in) of precipitation over 10 days, accompanied by a comfortable average humidity of 76%.

September Temperature in Saint-Paterne

In September in Saint-Paterne, the average temperature is 15°C (60°F), with maximums reaching as high as 31°C (88°F) and minimums dropping down to 4°C (39°F). This variation in temperature makes it advisable to pack layers to ensure comfort during your travels.

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

The chart illustrates September temperature patterns in Saint-Paterne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Paterne, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346515663666560544543
Data source: Temperature data for Saint-Paterne 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-Paterne

In Saint-Paterne in September, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.

September Precipitation Trends in Saint-Paterne

The chart displays monthly precipitation patterns in Saint-Paterne, 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-Paterne, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5566714385102475951827799
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saint-Paterne

In Saint-Paterne in September humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

September Average Humidity in Saint-Paterne

This chart illustrates the average monthly humidity levels in Saint-Paterne, 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-Paterne 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 Saint-Paterne

In Saint-Paterne 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 Saint-Paterne, you can refer to this Hourly UV Index in Saint-Paterne.

Maximum UV Index Levels in Saint-Paterne for September

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

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

This table compares monthly weather conditions in Saint-Paterne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)55 mm (2.2 inches)91%low
February Weather6°C (43°F)66 mm (2.6 inches)89%moderate
March Weather8°C (46°F)71 mm (2.8 inches)85%moderate
April Weather10°C (51°F)43 mm (1.7 inches)84%high
May Weather13°C (56°F)85 mm (3.3 inches)82%very high
June Weather17°C (63°F)102 mm (4.0 inches)80%very high
July Weather19°C (66°F)47 mm (1.9 inches)73%very high
August Weather18°C (65°F)59 mm (2.3 inches)68%very high
September Weather15°C (60°F)51 mm (2.0 inches)76%high
October Weather12°C (54°F)82 mm (3.2 inches)88%moderate
November Weather7°C (46°F)77 mm (3.0 inches)92%low
December Weather6°C (43°F)98 mm (3.9 inches)93%low

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