CON climo for 9/21 is 71/45. So we'd be looking at a 91/65 type day. From my count, CON has 9 91+ days from 9/21 onward in their ~160 year history. That includes 3 92s and 1 93F on 9/21. There's 9 days with mins > 65F from 9/21 onward. That 9/22-23/1970 torch is probably the closest it would be with today's normals...92/64 and 87/67 gets them near +20F.
I know DIT is just throwing weenies around, but it got me curious to see what the chances are for it up here. Give it another month and the +20s probably get a little more common.