Longer jacket, shorter sleeves, longer collar tips, and pull the pocket square up a bit. Then this will be a great fall look.
I have no experience with Proper Cloth, but really like their collar styles gallery. It shows all of their collar offerings on a mannequin with a tie straight on at collar level. This is the ideal set up in my opinion, but few MTM companies get this right. Upon clicking on a particular collar style, you also get a view of the collar unbuttoned without a tie and buttoned up without a tie. Each of the three collar presentations are also taken from several angles as well. Very nicely done, Proper Cloth.
Gingham and Dots.