September enjoyed more game-time last season with the arrival of coach Stuart Baxter in January following the sacking of Gordon Igesund.
However, Matsatsantsa are keen to groom the 33-year-old for a managerial position.
"He has not been offered a playing contract but has been offered an ambassadorial contract to do PR, brand and eventing for us while we train him up in other admin areas with a view to be a future member of our management team," confirms Matthews. "He declined a coaching job in the academy.
"He has a great track record with us as a player and has represented us well on and off the field so it's a natural progression and is a further demonstration of how we like to reward loyal players who have conducted themselves well at the club such as Ricardo Katza and Kaitano Tembo... By finding a space for them to continue to add value and grow themselves and the club.
"We have given Thabo two weeks to decide what study courses he wants to pursue and where he wants to start his focus areas. I believe not enough clubs look after their former players and it's a positive message to the market."