I hear your whine...
Last time around we were going to spend all of early Oct seeing the National Parks and Monuments in southern Utah and northern Arizona.
We got to Moab Sept 29th and spent the 30th seeing the "high points" of both Arches and Canyonlands.
Then we started seeing State and Tribal Parks.
We finally gave up and started home on the 12th, getting there on the 15th.... Of course it all re-opened in the 16th
We went back this past spring to see the things we didn't get a chance two years ago.
I don't think it's going to happen again this year, but even if it does, you have the opportunity to return.