3–5 || Castillo (14–5) || Ponce de Leon (1–2) || Iglesias (28) || 38,665 || 76–60 || L1 |- style="background:#cfc;" | 137 || September 2 || Giants || 3–1 || Wainwright (10–9) || Beede (3–9) || Martínez (17) || 40,732 || 77–60 || W1 |- style="background:#cfc;" | 138 || September 3 || Giants || 1–0 || Flaherty (9–7) || Rodríguez (5–8) || Martínez (18) || 38,259 || 78–60 || W2 |- style="background:#fbb;" | 139 || September 4 || Giants || 8–9 || Rogers (1–0) || Gallegos (3–2) || Smith (31) || 41,945 || 78–61 || L1 |- style="background:#cfc;" | 140 || September 5 || Giants || 10–0 || Hudson (15–6) || Webb (1–1) || Cabrera (1) || 36,800 || 79–61 || W1 |- style="background:#fbb;" | 141 || September 6 || @Pirates || 4–9 || Wang (3–0) || Miller (4–5) || Vázquez (25) || 19,090 || 79–62 || L1 |- style="background:#cfc;" | 142 || September 7 || @Pirates || 10–1 || Wainwright (11–9) || Brault (4–4) || — || 23,996 || 80–62 || W1 |- style="background:#cfc;" | 143 || September 8 || @Pirates || 2–0 || Flaherty (10–7) || Marvel (0–1) || Martínez (19) || 18,363 || 81–62 || W2 |- style="background:#fbb;" | 144 || September 10 || @Rockies || 1–2 || Gonzalez (1–6) || Wacha (6–7) || Díaz (2) || 31,514 || 81–63 || L1 |- style="background:#fbb;" | 145 || September 11 || @Rockies || 1–2 || Senzatela (9–10) || Hudson (15–7) || Díaz (3) || 31,931 || 81–64 || L2 |- style="background:#cfc;" | 146 || September 12 || @Rockies || 10–3 || Mikolas (9–13) || Melville (2–2) || — || 27,618 || 82–64 || W1 |- style="background:#cfc;" | 147 || September 13 || Brewers || 10–0 || Wainwright (12–9) || Houser (6–6) || — || 47,075 || 83–64 || W2 |- style="background:#fbb;" | 148 || September 14 || Brewers || 2–5 || Lyles (11–8) || Flaherty (10–8) || Hader (32) || 46,665 || 83–65 || L1 |- style="background:#fbb;" | 149 || September 15 || Brewers || 6–7 || Albers (7–5) || Gant (10–1) || Hader (33) || 46,722 || 83–66 || L2 |- style="background:#cfc;" | 150 || September 16 || Nationals || 4–2 || Hudson (16–7) || Doolittle (6–5) || Martínez (20) || 42,812 || 84–66 || W1 |- style="background:#fbb;" | 151 || September 17 || Nationals || 2–6 || Corbin (13–7) || Mikolas (9–14) || Hudson (4) ||