Frequent temperatures in Porto throughout the time of September is 17 with a general average high of 24 degrees with a low of 14. We have put some more information below:

MonthDegrees Celsius
Temperature17
High Temperature24
Low Temperature14
Sunshine Per Day8

Porto, Portugal Weather in September FAQs

What is the weather like?

You should expect to see 17 degrees on average

How sunny does it get?

On average there is 8 of sun per day

How cold should I expect it to get?

Usually the low temps are 14 degrees.Click to see more Porto Weather including Porto, Portugal August Weather and Porto, Portugal October Weather