Explore details about location R. 21 de Setembro. R. 21 de Setembro is a location situated within the São Mateus do Sul alongside other areas such as R. Ten. Max Wolf Filho, Av. Ozy Mendonça de Lima, R. Ivan Ulbrich. Additionally, some smaller parts of R. 21 de Setembro include specific areas like R. Evaldo Gaensly adding to the diversity of its landscape.