1) August headgear 2) Beach headwear 3) Beach topper 4) Big-brimmed bonnet 5) Bit of beachwear 6) Bonnet 7) Bonnet with a big brim 8) Broad-brimmed topper 9) Burn preventer on a beach 10) Haunts building in Panama 11) Haunts criminal in Panama 12) Headwear for the burn-wary 13) Hot-weather headgear Found on https://www.crosswordclues.com/clue/sunhat