This month are all Scottish words or slang (some are also regional too).
Not easy as I might have a couple of incorrect answers providing incorrect letters.
4d. Rabble (5) ?E?N?
14a. Outset (5) A?H.O
16d. Mongrel dog (6) ?A???N
18d. Scolding (9) F???GY???
21a. What?! (8) C?I?????
22a. Crowded (9) BO?E??I?G
23d. In all directions (5) ??O?S
25d. Excellent (3) G??
29a. Very (4) ????
31a. Small digit (6) ?????? (possibly PINKIE ?)