England international Lennon has returned to training during the international break and could be fit to play Aston Villa on October 20.
"I'm extremely happy," Villas-Boas said on tottenhamhotspur.com.
"It's been a long time out for a player of Aaron's importance and the team is delighted with his return.
"He's proved year after year how important he is for us and to have him back is a major plus."
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