Corey's annual article is out regarding which week to hunt this fall. Be sure to check it out here: https://www.elk101.com/2020/12/the-best-week-to-hunt-elk-in-2021/
Looks like it might be a tough September in '21. Could entail a lot of sitting on trails and water, and glassing. The last few years they seem less willing to engage in calling, and they tend to get quiet when they hear bugles.