Schubert's 'An den Mond in einer Herbstnacht' D.614 is a poignant setting of another Goethe text, conveying a more somber and introspective mood. The piano accompaniment mirrors the autumnal, nocturnal atmosphere.
Cultivate a melancholic tone and pay close attention to the subtle dynamic shifts that convey the piece's atmospheric qualities.
An den Mond in einer Herbstnacht (D.614) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of An den Mond in einer Herbstnacht (D.614) lasts about 3 minutes.
An den Mond in einer Herbstnacht (D.614) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.