S
M
T
W
T
F
S
30
90°
66°
31
88°
67°
1
96°
71°
2
96°
71°
3
90°
70°
4
94°
68°
5
82°
66°
6
83°
63°
7
83°
59°
8
87°
56°
9
90°
60°
10
91°
69°
11
82°
70°
12
82°
68°
13
89°
72°
14
81°
61°
15
79°
53°
16
86°
56°
17
91°
68°
18
84°
65°
19
76°
63°
20
83°
64°
21
70°
60°
22
68°
59°
23
69°
56°
24
72°
55°
25
73°
53°
26
74°
52°
27
75°
51°
28
76°
54°
29
74°
55°
30
75°
50°
1
72°
54°
2
75°
55°
3
68°
54°
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 91°, with overnight lows between 50° and 68°. The average high for September is 75° with an average low of 57°. 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.
