PäritoluFrom Proto-Finnic *süksü. Cognates include Finnish syksy and Hungarian ősz.
Vormidsügise(genitive) · sügist(partitive) · sügis(nominative, singular) · sügised(nominative, plural) · sügis(accusative, nominative, singular) · sügised(accusative, nominative, plural) · sügise(accusative, genitive, singular) · sügised(accusative, genitive, plural) · sügise(genitive, singular) · sügiste(genitive, plural) · sügist(partitive, singular) · sügiseid(partitive, plural) · sügisesse(illative, singular) · sügistesse(illative, plural) · sügiseisse(illative, plural) · sügises(inessive, singular) · sügistes(inessive, plural) · sügiseis(inessive, plural) · sügisest(elative, singular) · sügistest(elative, plural)