S
M
T
W
T
F
S
30
81°
57°
31
75°
59°
1
75°
52°
2
79°
52°
3
79°
54°
4
84°
55°
5
72°
55°
6
80°
55°
7
84°
60°
8
86°
61°
9
65°
50°
10
67°
49°
11
68°
51°
12
70°
50°
13
72°
55°
14
71°
54°
15
74°
57°
16
67°
52°
17
64°
51°
18
65°
50°
19
63°
47°
20
65°
49°
21
67°
51°
22
69°
48°
23
70°
50°
24
70°
51°
25
69°
53°
26
69°
51°
27
65°
47°
28
67°
49°
29
67°
49°
30
66°
50°
1
62°
45°
2
62°
46°
3
65°
45°
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 62° to 86°, with overnight lows between 45° and 61°. The average high for September is 69° with an average low of 51°. 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.
