Ngwat-Mahop contributed greatly in his club's season opener, as he scored the fourth goal and assisted the sixth, in Red Bull Salzburg's 6–0 home devastation against SV Mattersburg. A few days later he added two more to his tally, as his club won Armenian club Banants by a 7–0 scoreline at home, for the first Qualifying round of the 2008–09 UEFA Cup. He once again scored in his club's first leg match for the second Qualifying round of the 2008–09 UEFA Cup, against Lithuanian club FK Sūduva. He continued his scoring trends three days later for the first round of the ÖFB-Cup, in a 1–4 away win against Pasching. It took him almost a month to find the net again, as he scored the last goal in his club's 4–2 home win against Vöcklabrucker for the 2nd round of the ÖFB-Cup. A week later he managed to score the opening goal, in Red Bull Salzburg's 2–2 away draw against Sturm Graz. Until the end of the season he featured regularly in his team's matches, although mostly as a substitute, and only managed to score one more goal in a 4–1 home win against Austria Kärnten. At the end he counted 36 appearances with Red Bull Salzburg, of which 27 in the Bundesliga, six in the UEFA Cup and three in the ÖFB-Cup. Out of these matches he scored a total of eight goals, of which three in the Bundesliga, three in the UEFA Cup and two in the ÖFB-Cup.