S
M
T
W
T
F
S
30
95°
72°
31
95°
73°
1
96°
72°
2
99°
74°
3
97°
75°
4
95°
74°
5
90°
76°
6
97°
73°
7
89°
72°
8
90°
72°
9
93°
70°
10
90°
73°
11
86°
72°
12
83°
71°
13
89°
72°
14
93°
71°
15
92°
70°
16
90°
68°
17
88°
68°
18
90°
67°
19
86°
63°
20
84°
66°
21
83°
64°
22
85°
64°
23
82°
61°
24
86°
65°
25
86°
65°
26
85°
63°
27
85°
62°
28
84°
63°
29
86°
64°
30
86°
64°
1
85°
63°
2
85°
62°
3
84°
63°
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 82° to 93°, with overnight lows between 61° and 73°. The average high for September is 86° with an average low of 66°. 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.
