The September weather guide for Porto, Portugal shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute.

Weather in Porto in september 2020. Pestana Vintage Porto Hotel & World Heritage Site. Get the monthly weather forecast for Porto, Porto, Portugal, including daily high/low, historical averages, to help you plan ahead. Hotels for Porto in September. Weather details in september. Aside from the Madeira Archipelago, which experiences different climatic conditions than those of the Iberian Peninsula, the whole Portuguese territory enjoys the characteristics that favor a splendid climate throughout September in Portugal. North of the River Tejo, in mainland Portugal, along the temperate humid Atlantic coast, winters are usually rainy and summers are mild and dry, becoming hotter the further east you travel. The weather conditions in Portugal are greatly influenced by the Azores High, a high pressure system that brings nice weather both in winter and summer.

You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month. The weather in Porto in september comes from statistical datas on the last years.

Find out more about our data sources.