Setubal, Portugal offers 17 beaches perfect for sunbathing, surfing, swimming, and more. Setubal is known for its beautiful beaches and vibrant marine life, making it a popular destination for travel and beach tourism. The best time to travel to Setúbal, Portugal, is from May to September, when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the average sea temperature is around 18°C to 22°C (64°F to 72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!