Banyana hold a commanding 2-0 first-leg advantage as they look to secure qualification for the continental competition in Morocco.
"We're settling in well," Ellis said.
"We've had a couple of sessions yesterday after a very long journey with a stretching session this morning.
"It was encouraging to see the enthusiasm while working on a couple of things. With regards to the weather, I think our players based in Europe will adapt better to the cooler climate.
"A lot of our foreign players struggled with the heat in South Africa and that's what forced us into making changes in the first game.
"I think those players now will thrive in this weather and it will suit us as much as it will suit them."