After the Battle of the Eastern Solomons on 24 August, "Amagiri" took on troops from transport ships while at sea, and sailed on to Guadalcanal. During this operation, she was attacked north-northeast of Savo Island by United States Marine Corps SBD Dauntless dive bombers from Henderson Field, which sank her sister ship and severely damaged . After rescuing the "Asagiri" survivors, she towed "Shirakumo" to Shortlands. "Amagiri" continued to be used on numerous "Tokyo Express" transport missions to various locations in the Solomon Islands in September.