There was a slight hiccup in proceedings when rain belted down to flood vital greens and play stopped for 30 minutes.
"It gave me a chance to gather my thoughts and see how everyone else was going, so it wasn't too bad for me personally. It's a huge confidence-booster, like I said before, knowing I can get over the line is a great feeling and after working on my mental game recently this also adds to that and the progression I am making.
"I love it here at Akarana, it's a special place to me so to become the champion here tops off a great year so far."
Muir now leads the points race for the Jennian Homes Trophy after his consistent run of form on the New Zealand circuit. However, he will not be playing in the Muriwai Open, which gives the chasers a huge chance to win the inaugural Jennian Homes Trophy.
Muir is off to Perth for the Western Australian Open, which along with several pro-ams gives him the opportunity to play for prize money totalling more than $350,000.
"I would love to play Muriwai and have performed well there so it's disappointing that it clashes with my commitments in Perth. I love the concept of the Jennian Homes Trophy and it would be great to be playing Muriwai."
In the women's competition, Auckland's Brittney Dryland also chalked up her maiden win on the Jennian Homes Charles Tour, holding off one of the strongest fields this year.