Last year, DH and I went camping in early October with our 40-degree bags. I'll admit that we were somewhat novice campers, and I didn't appreciate that the bags are probably only good to 50 degrees. Well, the temperature overnight dropped about 10 degrees colder than anticipated on top of that. It was a very long night, even with a lot of layers, hats and gloves. We now have true winter bags, in addition to our summer bags. Given when we do most of our camping--mid summer and fall--I'm hoping the bags will cover us. When it's truly hot out, we usually bring bag liners, too.
My advice is to bring more layers/blankets than you think you'll need for fall or early spring camping, just in case it turns colder than forecast. Bring a hat and gloves, too.
Live with intention. Walk to the edge. Listen hard. Practice wellness. Play with abandon. Laugh. Choose with no regret. Continue to learn. Appreciate your friends. Do what you love. Live as if this is all there is.
--Mary Anne Radmacher