The division artillery had returned from the Ypres salient to the Somme on 13 September and was posted to XIV Corps but not under command of the 20th division. While at Ypres 90th artillery brigade had been broken up a distributed amongst the other to increase each battery from four to six 18-pounders or 4.5" howitzers. The 91st artillery brigade was in action on 15 September supporting the 56th (London) Division. The division returned to the front on 15 September as XIV Corps reserve, after a short rest but no reinforcement. The 59th brigade could muster only 900 rifles, the 60th brigade 1100 and the 61st brigade 1200. In the early hours of 16 September the 60th and 61st brigade went into the front line under orders of the Guards Division, the 61st to the right of the Guards line opposite Lesbœufs and the 60th in reserve.