Just can't tell. FWIW, I was up there several days, Durango, Silverton, Ridgeway and back down the Telluride side last year 2021, September 20th. Short sleeve weather. Just beautiful.
Thats why several of us are saying it’s hit or miss.
In elevation, you have to be prepared for sleet or snow anytime of the year. It’s snowed on me on beartooth pass and pikes peak in July. I’ve also ridden the same highways in summer in short sleeves in the 60’s.
Mid September it will be green and you might start to see fall colors.
We use to camp in Silverton when the mine was still operating.
Off roading
When I was up at the top of the summit and pulled over to take a picture… There was a road there That went up the mountain even further… I wondered where it went… Now I know… Red Mountain town…