November in American harbour is rather hairy (8)

I believe the answer is:

unshaven

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'rather hairy' is the definition.
'unshaven' can be an answer for 'hairy' (thesaurus). I'm unsure of the 'rather' bit.

'november in american harbour' is the wordplay.
'november' becomes 'N' (phonetic alphabet: alpha, bravo, charlie etc.).
'in' indicates putting letters inside.
'american' becomes 'us' (abbreviation for United States).
'harbour' becomes 'haven' (synonyms).
'n' placed inside 'us' is 'uns'.
'uns'+'haven'='UNSHAVEN'

'is' acts as a link.

Can you help me to learn more?

(Other definitions for unshaven that I've seen before include "whiskers to deal with?" , "Stubbly" , "Not having removed incipient beard" , "Not having used a razor" , "Showing facial stubble" .)

I've seen this clue in The Telegraph.

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