Get FREE email communications from Fodor's Travel, covering must-see travel destinations, expert trip planning advice, and travel inspiration to fuel your passion.
Weather should be warm--probably just need a sweater or light jacket early in the day and then again in the evening. Try weather.com and look under the historical data for those months.
Hi Irita, I am portuguese. Usually the weather is better at the end of September but nowadays we never know what it will be like . Weather has been very unestable in the last year so we can never tell.
Irita - I lived in Lisbon for three years and the weather in the fall is always nice but we always got a lot of rain as well so be sure to pack accordingly.