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September Weather in Montfort-sur-Risle, France

Last updated: August 23, 2025

In September, the average temperature in Montfort-sur-Risle, France is a pleasant 16°C (60°F), with a minimum dipping to 4°C (39°F) and a maximum reaching up to 31°C (87°F). Expect 47 mm (1.8 in) of precipitation, spread over about 10 days, and enjoy average humidity levels of 76%, making for a typically refreshing atmosphere.

September Temperature in Montfort-sur-Risle

In September in Montfort-sur-Risle, the average temperature is 16°C (60°F), with maximum highs reaching 31°C (87°F) and minimum lows dipping to as low as 4°C (39°F). This makes it a great time for travelers to enjoy mild weather while exploring the area.

September Weather in Montfort-sur-Risle: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Montfort-sur-Risle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montfort-sur-Risle, September typically has an average temperature of 16°C (60°F), with highs reaching up to 31°C (87°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346515663666560544644
Data source: Temperature data for Montfort-sur-Risle 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 Montfort-sur-Risle

In Montfort-sur-Risle in September, the total precipitation amount is 47 mm (1.8 in) spread over a period of 10 days.

September Precipitation Trends in Montfort-sur-Risle

The chart displays monthly precipitation patterns in Montfort-sur-Risle, 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 Montfort-sur-Risle, September typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5866703886814565477475106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montfort-sur-Risle

In Montfort-sur-Risle in September humidity is 76%. With an average temperature of 16°C (60°F), this humidity feels like a warm embrace, making it somewhat uncomfortable for traveling, as the air can feel heavy and oppressive, potentially leading to fatigue and a constant need for hydration.

September Average Humidity in Montfort-sur-Risle

This chart illustrates the average monthly humidity levels in Montfort-sur-Risle, 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 Montfort-sur-Risle 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 Montfort-sur-Risle

In Montfort-sur-Risle 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 Montfort-sur-Risle, you can refer to this Hourly UV Index in Montfort-sur-Risle.

Maximum UV Index Levels in Montfort-sur-Risle for September

The chart shows the monthly maximum UV Index (UVI) for Montfort-sur-Risle 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 Montfort-sur-Risle typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689986421
Data source: Montfort-sur-Risle 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 Montfort-sur-Risle Compares to Other Months

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

This table compares monthly weather conditions in Montfort-sur-Risle, 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)91%low
February Weather6°C (43°F)66 mm (2.6 inches)89%moderate
March Weather8°C (46°F)70 mm (2.8 inches)85%moderate
April Weather10°C (51°F)38 mm (1.5 inches)84%high
May Weather13°C (56°F)85 mm (3.4 inches)82%very high
June Weather17°C (63°F)81 mm (3.2 inches)80%very high
July Weather19°C (66°F)45 mm (1.8 inches)73%very high
August Weather18°C (65°F)65 mm (2.6 inches)68%very high
September Weather16°C (60°F)47 mm (1.8 inches)76%high
October Weather12°C (55°F)74 mm (2.9 inches)88%moderate
November Weather8°C (46°F)75 mm (3.0 inches)92%low
December Weather6°C (44°F)106 mm (4.2 inches)93%low

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