Porto · Portugal
Weather in Porto in September
In September the typical daytime high in Porto is 22.9 °C on average, from 23.4 °C at the start to 22.1 °C at the end of the month.
The last 10 years were 1.4 °C cooler than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Porto, 2 km away.