S
M
T
W
T
F
S
30
83°
63°
31
86°
64°
1
89°
65°
2
88°
65°
3
88°
64°
4
87°
59°
5
83°
64°
6
87°
65°
7
87°
64°
8
86°
64°
9
81°
63°
10
84°
64°
11
86°
63°
12
86°
63°
13
86°
64°
14
85°
63°
15
86°
63°
16
85°
62°
17
85°
55°
18
78°
56°
19
79°
53°
20
79°
53°
21
76°
52°
22
74°
53°
23
76°
57°
24
82°
55°
25
82°
58°
26
80°
58°
27
81°
57°
28
81°
56°
29
80°
55°
30
80°
55°
1
78°
53°
2
79°
54°
3
80°
56°
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 74° to 89°, with overnight lows between 52° and 65°. The average high for September is 83° 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.
