Zabala (2–2) || Jim Konstanty (7) || see 2nd game || 69–63 |- style="background:#bfb" | 133 || September 5 (2) || @ Giants || 4–2 || Russ Meyer (11–8) || Dave Koslo (8–11) || None || 16,577 || 70–63 |- style="background:#bfb" | 134 || September 6 (1) || @ Giants || 4–2 (10) || Jim Konstanty (8–5) || Larry Jansen (15–14) || None || see 2nd game || 71–63 |- style="background:#fbb" | 135 || September 6 (2) || @ Giants || 1–4 || Sheldon Jones (12–10) || Hank Borowy (12–10) || None || 4,150 || 71–64 |- style="background:#bfb" | 136 || September 8 || @ Braves || 3–1 || Russ Meyer (12–8) || Johnny Sain (10–14) || None || 5,856 || 72–64 |- style="background:#bbb" | – || September 9 || @ Braves || colspan=6 | Postponed (rain); Makeup: September 11 as a traditional double-header |- style="background:#fbb" | 137 || September 10 || @ Braves || 0–1 || Warren Spahn (18–12) || Robin Roberts (14–13) || None || 5,450 || 72–65 |- style="background:#bfb" | 138 || September 11 (1) || @ Braves || 3–1 || Ken Heintzelman (17–7) || Bill Voiselle (6–7) || None || see 2nd game || 73–65 |- style="background:#bfb" | 139 || September 11 (2) || @ Braves || 6–3 || Russ Meyer (13–8) || Vern Bickford (14–10) || Curt Simmons (1) || 10,801 || 74–65 |- style="background:#fbb" | 140 || September 13 || @ Pirates || 6–11 || Cliff Chambers (10–7) || Hank Borowy (12–11) || None || 11,878 || 74–66 |- style="background:#bfb" | 141 || September 14 || @ Pirates || 12–4 || Robin Roberts (15–13) || Junior Walsh (1–4) || None || 3,920 || 75–66 |- style="background:#fbb" | 142 || September 16 || @ Reds || 1–2 || Ken Raffensberger (16–15) || Ken Heintzelman (17–8) || None || 1,185 || 75–67 |- style="background:#bfb" | 143 || September 17 || @ Reds || 4–0 || Russ Meyer (14–8) || Herm Wehmeier (11–10) || None || 2,065 || 76–67 |- style="background:#fbb" | 144 || September 18 || @ Cardinals || 3–15 || Red Munger (15–6) || Robin Roberts (15–14) || Gerry Staley (5) || 24,319 || 76–68 |- style="background:#bfb" | 145 || September 19 || @ Cardinals || 4–3 || Jocko Thompson (1–2) || Howie Pollet (19–9) || None || 16,874 || 77–68 |- style="background:#fbb" | 146 || September 20 || @ Cardinals || 5–7 || Fred