### Clue: Fancy costume with hat briefly worn in November? (9)
### Answer: MOUSTACHE 
 ### Explanation: Definition: worn in November?
***(costume ha)** [anag:*fancy*] where HA is HA(t) [*briefly*] 
*Men are encouraged to be sponsored to grow a moustache in November as part of the Movember campaign which raises money to help men's health issues.