S
M
T
W
T
F
S
30
84°
59°
31
80°
58°
1
68°
62°
2
72°
62°
3
75°
62°
4
84°
64°
5
73°
60°
6
73°
54°
7
80°
51°
8
79°
56°
9
74°
53°
10
86°
69°
11
77°
52°
12
76°
46°
13
67°
61°
14
72°
50°
15
71°
45°
16
80°
51°
17
78°
64°
18
78°
45°
19
67°
51°
20
60°
50°
21
66°
51°
22
64°
49°
23
64°
50°
24
65°
53°
25
71°
52°
26
70°
53°
27
72°
53°
28
69°
54°
29
68°
50°
30
64°
52°
1
64°
53°
2
71°
53°
3
64°
53°
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 60° to 78°, with overnight lows between 45° and 64°. The average high for September is 68° with an average low of 52°. 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.
