"Bicester" detached from WS22 on 1 September, returning to Derry for further convoy escort duties, which included joining military convoy WS23 in the Clyde on 4 October. After detaching from WS23, "Bicester" returned for escort duties in Derry, and was nominated for the escort of military convoys to North Africa for allied landings on 8 October. "Bicester" was deployed escorting the convoys to Gibraltar throughout November and December.