In August "Blackmore" joined the 57th Fleet Division based at Malta, and deployed for convoy defence in the central Mediterranean. In September the destroyer joined a naval task force to escort and support the Allied invasion of Italy. On 8 September the destroyer was deployed as an escort of the military convoy TSF1X during passage from Palermo to the Salerno beach head. Upon being released from the invasion of Italy, the destroyer resumed her convoy defence duties with the Division. Between November and December, "Blackmore" joined the 60th Destroyer Division, also based in Malta but deploying for convoy defence and support duties of military operations in the Adriatic sea.