S
M
T
W
T
F
S
30
78°
60°
31
83°
64°
1
83°
64°
2
84°
63°
3
84°
57°
4
79°
54°
5
76°
56°
6
76°
61°
7
81°
62°
8
81°
62°
9
78°
60°
10
75°
61°
11
81°
60°
12
80°
62°
13
81°
61°
14
80°
61°
15
81°
60°
16
80°
60°
17
78°
59°
18
79°
53°
19
73°
51°
20
72°
50°
21
69°
49°
22
70°
53°
23
72°
52°
24
72°
49°
25
68°
48°
26
70°
50°
27
69°
49°
28
74°
55°
29
73°
54°
30
74°
55°
1
70°
54°
2
72°
51°
3
Hist. Avg.
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Salem
Salem's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 48° and 64°. The average high for September is 76° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Salem. See also: October | November | December.
