The league consisted of Eastern and Western Divisions.
[1] Dartford won the Eastern Division for the second successive season, whilst newly elected Yeovil & Petters United won the Western Division.
Dartford were declared Southern League champions after winning a championship play-off 2–1.
[2] Five clubs from the Southern League applied to join the Football League, with Aldershot Town and Newport County being successful.
Team relegated from 1930–31 Football League: Newly elected team: As Wigan Borough (resigned) and Thames (disbanded) had left the Football League, there were two places available, one in the Third Division North and one in the Third Division South.