In North Africa… The airfields at Benghazi and Barce are attacked by British units of the Long Range Desert Group. The British also attempt an amphibious landing at Tobruk, it is repelled with heavy losses.
In the Solomon Islands… On Guadalcanal, the Japanese attacks intensify. The American forces hold them off with difficulty, aided by effective artillery support.
In the Arctic… Convoy PQ-18 leaves for Archangel. It is provided with a large escort including a carrier, fares much better than the last convoy (in June). It loses 13 ships in the course of the voyage (September 12-18), but the Germans will lose 20 planes and 2 U-boats.