S
M
T
W
T
F
S
30
88°
71°
31
N/A
1
93°
70°
2
95°
70°
3
94°
69°
4
93°
71°
5
94°
67°
6
87°
64°
7
84°
61°
8
86°
60°
9
87°
59°
10
89°
60°
11
88°
60°
12
83°
59°
13
83°
59°
14
84°
58°
15
81°
63°
16
76°
61°
17
76°
60°
18
79°
61°
19
77°
60°
20
75°
57°
21
77°
54°
22
77°
54°
23
78°
53°
24
80°
59°
25
81°
59°
26
75°
58°
27
73°
59°
28
73°
58°
29
74°
57°
30
77°
57°
1
73°
56°
2
72°
56°
3
74°
55°
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 72° to 95°, with overnight lows between 53° and 71°. The average high for September is 81° with an average low of 60°. 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.
