Brittany weather in September
Planning a journey to Brittany this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:
What is the weather like in Brittany in September?
Brittany is a region in France. September in Brittany generally has temperatures that range from moderate to warm, with moderate precipitation. The month of September is in the summer season.
Based on our climate data spanning from 1990-2020, the average maximum temperature is moderate in Porspoder at 18°C to warm in Varennes at 23°C. Nighttime temperatures generally drop to 12°C in Varennes and 15°C in Porspoder.
In September, precipitation varies across different areas. From moderate rainfall in Sixt-sur-Aff with an average of 53 mm to moderate rainfall in Cancale with 85 mm. Saint Malo enjoys a balanced 169 hours of sunlight. Ensuring it's neither too overcast nor too sunny.
For specific regional insights in Brittany for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Brittany climate page.
Where to go in Brittany in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Brittany?
Saint Malo
In September Saint Malo generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Carnac
In September Carnac generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Rennes
In September Rennes generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Brest
In September Brest generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
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Perros-Guirec
In September Perros-Guirec generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
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Is your destination not in the list? Have a look at other destinations in Brittany, in France.
Is September the best time to visit Brittany?
We believe that September is one of the best times to visit Brittany with overall perfect weather in Saint Malo. It's worth noting that weather conditions might differ depending on the location you visit.
Generally speaking, July, August and September provide perfect weather in Saint Malo. The weather in January and December, on the other hand, tends to be poor.
Interested in more climate information?
We have much more information about the climate in Brittany.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to France? Get detailed historical weather averages for many cities in France.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.