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    France

    West France weather in September 2025

    France

    West France weather in September 2025

     

    Day

    22 °C

     

    Night

    13 °C

     

    Sea

    18 °C

     

    Precipitation

    59 mm

    in month

     

    Rainy days

    9 days

    in month

     

    Daylight

    12 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    79 %

     

    Day

    22 °C

     

    Night

    13 °C

     

    Sea

    18 °C

     

    Precipitation

    59 mm

    in month

     

    Rainy days

    9 days

    in month

     

    Daylight

    12 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    79 %

    Overview: West France
    In West France in September, the average air temperature ranges from 22 °C (71 °F) during the day to 13 °C (55 °F) at night. There are 9 days of rain on average, where the rainfall is 59 mm (2.32 in).

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    Aerial view of beach in Île d'Oléron on a cloudy day
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    Aerial view of beach with a lot of people in Les Sables-d'Olonne with nice weather and blue sky

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    Weather overview and FAQs

    Weather overview

    In West France in September, the average air temperature ranges from 22 °C (71 °F) during the day to 13 °C (55 °F) at night. There are 9 days of rain on average, where the rainfall is 59 mm (2.32 in).

    Is September a good month to visit West France?

    There are good conditions for visiting in West France in September. Especially for non-beach activities, such as hiking or sightseeing. The daily temperatures in this month reach pleasant 22 °C (71 °F). There are only 9 days of rain in the whole month, so you can leave your umbrella at home. A sea temperature of 18 °C (65 °F) can seem colder to some, but others will call it refreshing. The temperature of 13 °C (55 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    What is the sea temperature in September in West France?

    The temperature of the sea in West France in September is 18 °C (65 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

    What is the temperature in West France during the day in September?

    In September in West France, the average daily temperatures will be 22 °C (71 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

    How many rainy days can I expect in September in West France?

    There are 9 days, which are rainy in West France in September, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.0 days of the week, or in general - 28 % days.

    What is the night temperature in September in West France?

    The average night temperature in West France in September is 13 °C (55 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

    How heavy is the precipitation in West France in September?

    There is precipitation of 59 mm (2.32 in) in September in West France, which means 2 mm (0.08 in) rainfall per day on average.

    How many hours of sun to expect in September in West France?

    There is an average length of sunshine of 7 hours per day in West France in September.

    Is there a dry season in September in West France?

    No, September is not a dry month in West France, expect rain approximately 9 days in a month.

    How long is the day (from dawn till dusk) in West France in September?

    The length of daylight in West France in September is 12 hours.

    Is there a wet season in September in West France?

    No, there is no wet season in West France in September - you can expect 9 days of rain during the month.

    How windy is it in West France in September?

    In West France in September, there will be an average wind scale of 4.

    What level of humidity is to expect in West France in September?

    Humidity in West France in September is 79 %.

    Is West France rainier in September than in October?

    No, in West France in September it does not rain more than in October.

    Is the weather in West France warmer in September than in August?

    No, September is not warmer in West France than August.

    Is the sea in West France warmer in September than in August?

    No, the sea is not warmer in West France in September than in August.

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