S
M
T
W
T
F
S
30
87°
65°
31
88°
63°
1
80°
63°
2
82°
62°
3
84°
59°
4
87°
66°
5
87°
66°
6
86°
63°
7
86°
58°
8
79°
57°
9
81°
58°
10
84°
58°
11
84°
60°
12
83°
62°
13
82°
61°
14
81°
62°
15
83°
63°
16
83°
61°
17
82°
55°
18
76°
53°
19
74°
54°
20
75°
60°
21
74°
58°
22
75°
55°
23
74°
58°
24
73°
58°
25
74°
59°
26
78°
59°
27
80°
57°
28
79°
55°
29
75°
57°
30
72°
57°
1
71°
58°
2
72°
54°
3
73°
49°
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 71° to 88°, with overnight lows between 49° and 66°. The average high for September is 80° with an average low of 59°. 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.
