Santander Weather in September

The climate in Santander during September can be summarized as warm and a little damp.

September is in the fall / autumn in Santander and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 14°C (58°F) is normal.

On average September is the 4th driest month of the year in Santander with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.9 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Santander in September 2024.