The temperatures in Santillana del Mar in September are comfortable with low of 16°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Santillana del Mar during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Santillana del Mar in September 2026.
If you’re planning to visit Santillana del Mar in the near future, we highly recommend that you review the 14 day weather forecast for Santillana del Mar before you arrive.
Temperatures
21° / 16°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
58
mm
Sun Hours
10.9
Hrs
