Lebese joined Sundowns from Kaizer Chiefs back in 2017, but has failed to secure regular game-time at in Pretoria,
The 29-year-old has made a total of 16 appearances for Pitso Mosimane's side, scoring two goals in the process.
The winger will now spend the remainder of the 2018/2019 campaign on loan at SuperSport.
Kaitano Tembo's troops currently occupy seventh spot in the Absa Premiership standings.