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13°
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12°
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12°
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18°
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20°
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19°
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September is one of the best months to visit Brittany for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
September is warm, and quite sunny but with occasional periods of cloudy and overcast skies. September is quite dry but with occasional showers, though there are many days without rain. Also consider visiting Brittany in one of the other best months of June, July, August, for the best beach weather.
Also consider one of our other suggestions for September.
Yes, September is a good time for sunbathing in Brittany. September is warm but quite a high chance of overcast or cloudy skies, might make sunbathing less enjoyable, and there is quite a high chance of rain showers.
The average maximum temperature in Brittany in September is 20°C (68°F).
More about September temperature and sunshine.
Probably not, September is a little too cold to enjoy swimming in Brittany for any length of time with the sea water at 19°C (66°F).
More about September sea temperatures.
Yes, September is a good time for a holiday in Brittany.
September is warm and quite sunny but with occasional periods of cloudy and overcast skies. It is quite dry but with occasional showers, though there are many days without rain.
It's a quite rainy month, however on the days with out rain it's great for enjoying the beach and exploring the area.
The average maximum temperature in Brittany in September is 20°C (68°F).
More about the September temperatures and sunshine.
The average minimum temperature in Brittany in September is 12°C (53°F). The minimum temperature is 13°C (56°F) in the previous month and 10°C (50°F) in the next month.
More about the September temperatures and sunshine.
The average day light hours per day in Brittany in September are 12.6 and there are 5.8 hours of sunshine per day on average during September, making it quite sunny but with occasional periods of cloudy and overcast skies.
More about September sunshine.
Probably not, September is a little too cold to enjoy swimming in Brittany for any length of time with the sea water at 19°C (66°F).
More about September sea temperatures.
Yes, Brittany is warm in September.
The average maximum temperature in Brittany in September is 20°C (68°F). The average maximum temperature is 21°C (70°) in the previous month and 17°C (62°F) in the next month.
The average temperature in Brittany in September is 16°C (60°F). The average temperature ranges is 17°C (63°F) in the previous month and 13°C (56°F) in the next month.
More info about the September temperatures and sunshine.
The average maximum temperature in Brittany in September is 20°C (68°F). The average maximum temperature is 21°C (70°F) in the previous month and 17°C (62°F) in the next month.
The average temperature in Brittany in September is 16°C (60°F). The average temperature ranges is 17°C (63°F) in the previous month and 13°C (56°F) in the next month.
The average minimum temperature in Brittany in September is 12°C (53°F). The minimum temperature is 13°C (56°F) in the previous month and 10°C (50°F) in the next month.
The average day light hours per day in Brittany in September are 12.6 and there are 5.8 hours of sunshine per day on average during September making it quite sunny but with occasional periods of cloudy and overcast skies
The ultraviolet index in Brittany in September is typically 4.9 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Brittany in September is 18.8°C (65.8°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The average total rainfall in Brittany in September is 0.1cm (0.0inches) and on average there are 12.2 rainy days in September making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Brittany in September is 15°C (58°F) which is comfortable for everyone. The dew point is 16°C (60°F) in the previous month and 13°C (13°F) in the next month.
The average maximum relative humidity in Brittany in September is typically 97.4%. The maximum relative humidity is 97.4% in the previous month and 97.6% in the next month.
The average relative humidity in Brittany in September is typically 82.6%. The average relative humidity is 82.3% in the previous month and 85.8% in the next month.
The average maximum wind speed in Brittany in September is typically 23KM/H (14MPH). The average maximum wind speed is 25KM/H (15MPH) in the previous month and 25KM/H (16MPH) in the next month.
The average wind speed in Brittany in September is typically 12KM/H (8MPH). The average wind speed is 13KM/H (8MPH) in the previous month and 14KM/H (9MPH) in the next month.
The average wind direction in Brittany in September is from the West-Northwest.
