YOU SAID:

I promise you that soon the autumn comes to darken fading sunlit skies

INTO JAPANESE

もうすぐ秋が来て、薄暗くなった太陽の空が暗くなることを約束します

BACK INTO ENGLISH

Autumn is coming soon and promises to darken the sun's dimmed skies

INTO JAPANESE

秋がもうすぐやって来て、太陽の薄暗い空が暗くなることを約束します

BACK INTO ENGLISH

Autumn is just around the corner and the sun's dim sky promises to darken

INTO JAPANESE

秋はすぐそこまで来ており、太陽の薄暗い空は暗くなることが約束されています

BACK INTO ENGLISH

Autumn is just around the corner and the sun's dim sky promises to darken