How a redhead leaves the house on a sunny day? (8)
I believe the answer is:
gingerly
'how' is the definition.
Both the definition and answer are adverbs. Perhaps you can see a link between them that I can't see?
I don't understand how the rest of the clue works.
(Other definitions for gingerly that I've seen before include "With extreme care and delicacy" , "(Approach) in a cautious manner" , "Showing caution" , "With soft steps" , "Cautiously (as if in pain?)" .)