Preacher Roe (19–2) || Robin Roberts (18–12) || None || 12,589 || 65–70 |- style="background:#fbb" | 136 || September 8 || @ Braves || 0–5 || Chet Nichols (9–6) || Bubba Church (13–10) || None || 2,629 || 65–71 |- style="background:#fbb" | 137 || September 9 (1) || @ Braves || 4–5 || Warren Spahn (19–12) || Ken Johnson (5–6) || None || see 2nd game || 65–72 |- style="background:#fbb" | 138 || September 9 (2) || @ Braves || 1–4 || Dave Cole (2–4) || Niles Jordan (1–3) || None || 8,588 || 65–73 |- style="background:#bfb" | 139 || September 11 || @ Pirates || 3–2 || Robin Roberts (19–12) || Don Carlsen (2–3) || None || 8,152 || 66–73 |- style="background:#fbb" | 140 || September 12 || @ Pirates || 6–8 || Vern Law (6–9) || Andy Hansen (2–1) || Ted Wilks (10) || 2,364 || 66–74 |- style="background:#bfb" | 141 || September 14 || @ Reds || 10–4 || Bubba Church (14–10) || Willie Ramsdell (9–16) || None || 3,588 || 67–74 |- style="background:#bfb" | 142 || September 15 || @ Reds || 5–2 || Niles Jordan (2–3) || Herm Wehmeier (5–10) || Robin Roberts (2) || 1,795 || 68–74 |- style="background:#fbb" | 143 || September 16 || @ Cardinals || 2–9 || Gerry Staley (17–13) || Ken Johnson (5–7) || None || 11,942 || 68–75 |- style="background:#bfb" | 144 || September 17 || @ Cardinals || 2–1 (10) || Robin Roberts (20–12) || Al Brazle (6–4) || None || 4,525 || 69–75 |- style="background:#fbb" | 145 || September 18 || @ Cubs || 4–7 || Cal McLish (4–10) || Lou Possehl (0–1) || Johnny Klippstein (2) || 2,929 || 69–76 |- style="background:#bfb" | 146 || September 19 || @ Cubs || 5–1 || Bubba Church (15–10) || Bob Rush (9–11) || None || 3,792 || 70–76 |- style="background:#bfb" | 147 || September 21 || @ Dodgers || 9–6 || Robin Roberts (21–12) || Clem Labine (4–1) || None || 23,753 || 71–76 |- style="background:#bfb" | 148 || September 22 || @ Dodgers || 7–3 || Karl Drews (1–0) || Don Newcombe (18–9) || None || 30,723 || 72–76 |- style="background:#fbb" | 149 || September 23 || @ Dodgers || 2–6 || Preacher Roe (22–2) || Bubba Church (15–11) || None || 19,135 || 72–77 |- style="background:#fbb" | 150 || September 25 || Giants || 1–5 ||