Wiktionary
mid-autumn
a. (context British English) Happening in the middle of autumn. adv. (context British English) In the middle of autumn. alt. (context British English) The middle of autumn. n. (context British English) The middle of autumn.
Wikipedia
Mid-Autumn
Usage examples of "mid-autumn".
It was mid-autumn by the time we all gathered in the garishly striped royal pavilion Corrolin had ordered to be set up on the outskirts of the fair, and each ruler rose in turn to address an assembly comprised of assorted state functionaries and by observers from Tolnedra and from the Alorn kingdoms.
The interior of the shielded bow, under the heat of a mid-autumn afternoon, was a sweltering pit.