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Bilbao Weather September
Bilbao is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Bilbao in September.
average daily high | +24.6°C | |
average daily low | +13.8°C | |
sea temperature | +21°C | |
daytime | 12.9 h | |
sunny / overcast hours | 5.3 / 7.6 | |
average monthly precipitation | 73 mm | |
High season with the best weather conditions for the beach leisure in Bilbao is typically July.
Temperature in Bilbao
In September the average daily maximum in Bilbao is +24.6°C, and the minimum +13.8°C.
The hottest September day on record is +41.7°C, and the coldest +3.8°C.
Best beach resorts in September:
Daylight hours
There are 12.9 hours of daylight in Bilbao in September. Out of these, on average 5.3 are sunny, which means it is mostly cloudy.
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Sea temperature
The average monthly temperature in the Atlantic Ocean on the beaches of Bilbao in September is +21°C.
The water is warm enough for most people to bathe in, however a majority would still consider it too cool.
Precipitation
The amount of precipitation in Bilbao in September is usually 73 mm, which may cause a change of plans on certain days.