Sentence:  The day was cool and snappy for <WSD>August</WSD>, and the Rise all green with a lavish nature. Now we plunged into a deep shade with the boughs lacing each other overhead, and crossed dainty, rustic bridges over the cold trout-streams, the boards giving back the clatter of our horses' feet:.... 
Meaning of the word marked with <WSD> tags:  (month) The eighth month of the Roman, Julian, and Gregorian calendars, following July and preceding September.