S
M
T
W
T
F
S
30
87°
66°
31
87°
67°
1
86°
66°
2
87°
66°
3
86°
64°
4
82°
61°
5
81°
60°
6
85°
62°
7
86°
65°
8
87°
65°
9
86°
64°
10
87°
65°
11
87°
65°
12
86°
64°
13
86°
64°
14
86°
62°
15
87°
62°
16
86°
60°
17
84°
61°
18
76°
54°
19
77°
52°
20
76°
52°
21
79°
53°
22
81°
54°
23
80°
59°
24
82°
52°
25
79°
51°
26
76°
51°
27
77°
56°
28
80°
53°
29
78°
57°
30
79°
51°
1
77°
55°
2
79°
55°
3
79°
54°
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 76° to 87°, with overnight lows between 51° and 67°. The average high for September is 82° 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.
