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 7:28 AM. The temperature feels like 61.45 with a humidity level of 71 so dress accordingly. Cloud coverage is 32 percent with visibility at 14.1 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 10 MPH. At the end of the day don’t miss the sunset at 5:17 PM.