Rent this sleeping bag from Packlist, and have it delivered and picked up.
Marmot, MEC, or similar

Sleeping Bag

Regular price $15.00 $0.00 Price per day per
Shipping calculated at checkout.

A high quality, comfortable sleeping bag that will keep you more than warm enough, even on those chilly fall nights. This is a perfect all-purpose bag. If you only own one sleeping bag, this is a great pick.