My squash and pumpkin plants have just set fruit. Will there be enough time for them to mature? The squash are delicata, and an heirloom called "butternut rugosa". The pumpkin is a volunteer, so I don't know what kind it is.

You've got about 6 weeks left before your first frost is expected, so I'd say there's a good chance you'll get some mature fruit!

Reid, It is all weather dependent. Hope for warm nights and lots of sunshine. Growing Winter Squash here is always a gamble since we can have frost late August, early September. I have a few different kinds of winter squash that are now starting to form fruit. Tons of blooms as well. It will all depend on the weather, but my hope is that the ones that have formed will be mature enough to pick in early September.
I did pick get some good size Zucchini last weekend (Summer Squash)

She is some artist!

Great avatar! Very talented daughter! Squash looks good too!