Vögele began the US Open Series at the Stanford Classic where she defeated wildcard Ajla Tomljanović in the first round 6–4, 6–0. In the second round, she lost to third seed and eventual champion, Dominika Cibulková. Playing at the Washington Open, Vögele lost in the first round to sixth seed Mona Barthel. Seeded fifth for qualifying at Cincinnati, Vögele lost in the first round of qualifying to Sofia Arvidsson. Seeded fifth for qualifying at New Haven, she qualified by defeating American wildcard Katerina Stewart, Alexandra Cadanţu, and Yaroslava Shvedova. In the first round, she lost to fellow qualifier Alison Riske. At the US Open, Vögele lost in the first round to world No. 105, Anna Karolína Schmiedlová.
