漠漠秋雲起，Autumn skies heavily clouded,

稍稍夜寒生。night chill soon slightly descended.

但覺衣裳濕，Only damp clothes could I feel, 

無點亦無聲。not any drops nor any sound. 

PS Obviously, Mr. Bai was talking about raining, but he did not mention a single word of rain,  So brilliant!