If you planning to travel to Fortaleza de Santiago, Sesimbra, Portugal, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 7:33 AM. The temperature feels like 64.05000000000001 with a humidity level of 83 so dress accordingly. Cloud coverage is 66 percent with visibility at 14.9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 5:15 PM.