Summerset Township is one of seventeen townships in Adair County, Iowa, USA.

[3] Summerset Township was organized in 1856.

[4] Summerset Township covers an area of 35.81 square miles (92.7 km2) and contains one incorporated settlement, Fontanelle.

According to the USGS, it contains one cemetery, Fontanelle.

This article about the geography of Adair County, Iowa is a stub.