Active volcanoes, the steaming hot-spring resort of Beppu, ramen alleys in Fukuoka's Hakata district, and Yakushima's ancient cedar forests a ferry ride from Kagoshima.
Cherry blossoms reach Kumamoto Castle in late March, and Aso volcano's grasslands green up before the rainy season arrives.
Tsuyu rainy season hits Kyushu first, then humid summer. Beach trips to Amami and matsuri in Fukuoka work; volcano hiking does not.
Beppu's eight 'hells' steam most photogenically against autumn colour, and Yakushima's Jomon cedar trail is at its driest.
Nagasaki Lantern Festival in February lights up Chinatown for two weeks, and Kyushu's mild winter keeps onsen towns comfortable to walk.