"Crisp autumn" refers to a time in the fall season when the air feels cool and refreshing, usually accompanied by dry leaves and clear skies. Full definition
Since we are pretty much Fall bound at this point, I think it's high time we start to think about Fall scents surrounding us on crisp Autumn days. (thefashionablehousewife.com)
I love the long summer days but it's no secret that the cooler, crisp autumn air calls to my heart. (delayedmissives.com)
From late summer evenings to crisp autumn mornings, we could dream our life away on the front porch of any of these eleven historic homes for sale. (countryliving.com)