After May and June, Lisbon in September is one of my favourite months in the city. It's a little less busy, but the weather is still incredible, and you can certainly enjoy a day at the beach. It doesn't rain much, and there are plenty of outdoor activities to do. Let's take a closer look at some fun September events in Lisbon and which sights you can visit. The post Weather in Lisbon in September and the best activities appeared first on Discover Portugal.