This will seem like a stupid answer, but go where the deer are. As you are probably aware, they will migrate south. I've been told the migration is like clock work each year, but you never know. I wouldn't think a ton will be down low in the sand below the White Cliffs, but everything above there should be in your game plan for the muzzy hunt.
When I had my rifle tag I went down below the Whites to get the law of the land during the first week of September. I was told I probably wouldn't see many deer, but they would be there in October. I literally did not even see sign of a single deer. No tracks in the sand, nothing. When I went down for the rifle hunt, there were deer everywhere and the sand looked like a deer super-highway.