Why is the ninth month called September?
Old English hæfen "haven, port," from Old Norse höfn "haven, harbor" or directly from Proto-Germanic *hafno- (cf. Danish havn, Middle Low German havene, German Hafen), perhaps from PIE *kap- "to seize, hold contain" (see have) on notion of place that "holds" ships, but cf. also Old Norse haf, Old English hæf "sea" (see haff). Figurative sense of "refuge," now practically the only sense, is c.1200.
a harbour (Ps. 107:30; Acts 27: 12). The most famous on the coast of Palestine was that of Tyre (Ezek. 27:3). That of Crete, called "Fair Havens," is mentioned Acts 27:8.