Originally Posted by
Antonio8069
Day 9 is Milford Sound (if it does not rain). Is better to schedule 2 days.
April has an average 14.7 rainy days and a low monthly average of 548mm
https://en.wikipedia.org/wiki/Milford_Sound
OP does not have enough time for Dunedin. And is not on the Canterbury - Central Otago- West Coast loop. And to me as a Canterbury resident is not that interesting.
Many (all?) DOC huts require prebooking.
Flying CHC ZQN is an alternative to driving, but past Mt Cook
Great Circle Mapper