Related Clues:

• Third quarter
• Calendar quarter
• Keel over
• Leaf-viewing season
• Cooling-off period?
• Mark E. Smith band, with 'The'
• Demise
• Get beaten
• Crisp period
• Sudden decline
• See 23 Across
• Cider season
• One of the Four Seasons
• Cool time
• Back to school season