The Frenchman's Gunners career has been badly affected by injuries and the emergence of Hector Bellerin as one of the league's best right-backs.
However, according to reports in France, his lack of action will not prevent Marseille from attempting to sign him in January.
Arsenal boss Arsene Wenger insists Debuchy still has a future at the Emirates. but the 31-year-old may choose to leave when the window opens.