The Collaborative International Dictionary
mid-September
mid-September \mid-September\ n. the middle part of September.
Wiktionary
mid-september
a. Happening in the middle of September. adv. In the middle of September. n. Any time in the middle of September.
WordNet
mid-September
n. the middle part of September
Usage examples of "mid-september".
Weather conditions in the Cyclades between early July and mid-September are remarkably predictable.
She was diagnosed with pancreatic cancer in early August, and gone by mid-September.
It was mid-September 1965 and the frigid spray from the North Sea deposited a dewlike film on the sailor's dark pea coat.