S
M
T
W
T
F
S
30
73°
58°
31
87°
65°
1
89°
72°
2
93°
71°
3
86°
67°
4
78°
64°
5
78°
57°
6
78°
56°
7
77°
54°
8
82°
53°
9
86°
68°
10
73°
59°
11
78°
54°
12
81°
64°
13
79°
62°
14
81°
66°
15
77°
60°
16
71°
55°
17
68°
55°
18
65°
49°
19
63°
46°
20
63°
48°
21
64°
49°
22
64°
49°
23
69°
54°
24
74°
53°
25
67°
51°
26
73°
52°
27
74°
53°
28
73°
51°
29
67°
50°
30
71°
52°
1
68°
50°
2
64°
49°
3
69°
51°
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 63° to 86°, with overnight lows between 46° and 68°. The average high for September is 71° with an average low of 54°. 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.
