S
M
T
W
T
F
S
30
95°
70°
31
97°
76°
1
98°
77°
2
96°
77°
3
96°
76°
4
98°
77°
5
99°
74°
6
102°
75°
7
97°
69°
8
99°
73°
9
99°
74°
10
101°
74°
11
98°
73°
12
94°
72°
13
99°
74°
14
95°
72°
15
97°
73°
16
98°
73°
17
96°
72°
18
85°
62°
19
87°
67°
20
89°
66°
21
91°
68°
22
90°
67°
23
90°
67°
24
89°
66°
25
90°
67°
26
88°
66°
27
88°
65°
28
87°
66°
29
87°
65°
30
86°
63°
1
84°
56°
2
75°
53°
3
75°
52°
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 75° to 102°, with overnight lows between 52° and 75°. The average high for September is 92° with an average low of 68°. 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.
