The New Zealander returned for a second stint in charge after compatriot Wayne Pivac paid the price for a difficult November last year.
While Gatland’s side were short of where they needed to be during the Six Nations in the spring, a crop of talented youngsters and a few veteran heads could go well at the tournament.
And after becoming the first team to reach the last eight, Wales may just fancy their chances of reaching a third semi-final in four tournaments.
Here is the World Cup schedule for Wales and their possible route to the final. Get all the latest Rugby World Cup odds here.
Wales pool fixtures:
Wales are in Pool C alongside Australia, Fiji, Georgia and Portugal.
Sunday 10 September: Wales 32-26 Fiji, Pool C (Stade de Bordeaux)
Saturday 16 September: Wales 28-8 Portugal, Pool C (Stade de Nice)
Sunday 24 September: Wales 40-6 Australia, Pool C (OL Stadium, Lyon)
Saturday 7 October: Wales vs Georgia, Pool C (Nantes, 2pm)
Saturday 14 October: Quarter-Final 1 (Winner Pool C vs Runner-Up Pool D) - Marseille, 4pm
Sunday 15 October: Quarter-Final 3 (Winner Pool Dvs Runner-Up Pool C) - Marseille, 4pm
Friday 20 October: Semi-Final 1 (Winner of QF1 vs Winner of QF2) - Paris, 8pm
Saturday 21 October: Semi-Final 2 (Winner of QF4 vs Winner of QF4) - Paris, 8pm
Saturday 28 October: Winner of SF1 vs Winner of SF2, Paris, 8pm