They are winter Squash!! They will store a few months if cured.If th plants are dead and not just wilted then you have to pull them. However leave them in a warm place to cure for about 2 weeks..85 f is fine,ouside in the shade I think would be good.100 is really too hot.Take any out if they are immature and use them as summer squash,even really tiny ones. After curing, press your finger nail into the rind, it should not leave a mark, if it does, cure them a bit longer. Leave a stalk on, they store better but don't use it as a handle.
After curing, wipe down with a soltion of bleach and water 10% bleach.
Store in a cool place, not on a concret floor and not touching,,wood slats are best or hung is slings, but watch there is no strain on the handle.
They get sweeter when stored so if you try one today it won't be as nice as one later on.
XX Jeannine