August 26 || Padres || 4–3 || Don Carman (5–4) || Lance McCullers (0–1) || None || 25,736 || 58–65 |- style="background:#fbb" | 124 || August 27 || Padres || 1–4 || Mark Thurmond (6–7) || John Denny (8–11) || Roy Lee Jackson (2) || 23,604 || 58–66 |- style="background:#bfb" | 125 || August 29 || @ Dodgers || 3–2 (10) || Don Carman (6–4) || Rick Honeycutt (7–12) || None || 39,487 || 59–66 |- style="background:#bfb" | 126 || August 30 || @ Dodgers || 5–2 || Kevin Gross (13–9) || Bob Welch (9–3) || Dave Shipanoff (1) || 49,068 || 60–66 |- style="background:#bfb" | 127 || August 31 || @ Dodgers || 5–0 || Shane Rawley (11–6) || Fernando Valenzuela (16–9) || None || 46,942 || 61–66 |- |- style="background:#bfb" | 128 || September 1 || @ Dodgers || 4–1 || John Denny (9–11) || Jerry Reuss (12–9) || Dave Shipanoff (2) || 29,029 || 62–66 |- style="background:#bfb" | 129 || September 2 || @ Giants || 4–3 (10) || Don Carman (7–4) || Mike Jeffcoat (0–2) || Dave Shipanoff (3) || 6,522 || 63–66 |- style="background:#bfb" | 130 || September 3 || @ Giants || 4–3 (13) || Dave Shipanoff (1–0) || Greg Minton (3–4) || Freddie Toliver (1) || 1,632 || 64–66 |- style="background:#fbb" | 131 || September 4 || @ Giants || 3–4 || Mark Davis (5–8) || Freddie Toliver (0–1) || None || 2,067 || 64–67 |- style="background:#fbb" | 132 || September 6 || @ Padres || 2–3 (11) || Rich Gossage (3–2) || Dave Shipanoff (1–1) || None || 14,889 || 64–68 |- style="background:#bfb" | 133 || September 7 || @ Padres || 2–0 || John Denny (10–11) || Andy Hawkins (17–5) || None || 11,141 || 65–68 |- style="background:#bfb" | 134 || September 8 || @ Padres || 9–7 || Rich Surhoff (1–0) || Ed Wojna (1–3) || Dave Rucker (1) || 15,765 || 66–68 |- style="background:#bfb" | 135 || September 10 || Expos || 5–2 (11) || Don Carman (8–4) || Tim Burke (8–3) || None || 15,920 || 67–68 |- style="background:#bfb" | 136 || September 11 || Expos || 4–1 || Kevin Gross (14–9) || Bill Gullickson (13–11) || None || 15,193 || 68–68 |- style="background:#fbb" | 137 || September 12 || Expos || 3–6 || Floyd Youmans (3–2) || Shane Rawley (11–7) || Jeff Reardon (34) || 15,335 ||