In September "Mutine" supported the Allied landings at Salerno. She was slightly damaged by a near miss from shore fire on 8 September whilst sweeping for mines off the beachhead. On 16 September she carried out sweeping operations in the Bay of Naples with her flotilla. Together they managed to clear 135 mines in the Salerno area. At the end of September she sailed for Capri. On 1 October "Mutine" was deployed in support of operations off the west coast of Sicily. These duties included mine clearance of positions to be used by Allied warships for bombardments prior to military advances. During these activities, the minesweepers often came under fire from shore batteries and air attacks. She carried out these duties into December, when she was moved to the Anzio area to support Operation Shingle, the planned allied landings. She carried out sweeping duties in January, in company with and of the 19th Flotilla and and of the 13th Flotilla. "Mutine" carried out these duties until March, followed by sweeping duties off Malta.