A native of Stockholm, Sweden, Lönnqvist produced a pair of top-25 finishes in September while boasting a scoring average of 73.67 strokes. On Sept. 16-17, he tied for 23rd place at the Griffin Invitational in a field of nearly 70 golfers with a score of eight-over 221 (74-73-74) behind four birdies and a team-high 39 pars over three rounds played. The following week, Lönnqvist tied for 12th overall in a field of nearly 60 golfers after firing a five-over 221 (74-74-73) over three rounds at the Jay Jennison Cup. He produced a stellar final round with a score of one-over 73 with one birdie and 15 pars to climb three positions on the leaderboard. Lönnqvist finished the event tied for the team lead with eight birdies and made 36 pars.