Month that always finishes windy (6)

I believe the answer is:

august

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'month' is the definition.
(August is an example)

I don't understand how the remainder of the clue works.

(Other definitions for august that I've seen before include "there's not much of it left now [27 AUGUST]" , "Inspiring respect and admiration" , "Dignified - time of year" , "Period in 1 down" , "Gregorian calendar month" .)

I've seen this clue in the Evening Standard.

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