Lake Charter Township, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lake Charter Township is known for Warren Dunes State Park in regard to tourism. The best time to travel to Lake Charter Township, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature in Lake Michigan is approximately 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!