Weather is against me?

Ohio is looking like a real early fall , my ladies are looking fine so far with buds about the size of my thumb on the tops BUT it looks like we are going to drop into the 40’s this week and I am wondering what to do to protect them ?? They are outside plants and I would hate to lose them this close to harvest !

The climate waits for no man. Preotect them with a temporary structure; Or, get the clippers out. Peace