Possible Clues:

• Pumpkin-picking time: Abbr.
• Except in leap years, its calendar is identical to Jan.
• O, see how 21 across starts with a little tea
• Perhaps there's no V to follow this
• UNICEF month
• Mo. of National Pumpkin Spice Day
• Fall month: Abbr.
• End of the MLB season
• Beer-festival mo.
• No. V 6 down this