S
M
T
W
T
F
S
30
85°
66°
31
88°
65°
1
88°
65°
2
87°
64°
3
84°
65°
4
84°
64°
5
82°
63°
6
81°
61°
7
80°
63°
8
84°
57°
9
82°
60°
10
79°
64°
11
85°
62°
12
84°
61°
13
84°
61°
14
83°
60°
15
84°
61°
16
86°
61°
17
Hist. Avg.
80°
56°
18
Hist. Avg.
80°
56°
19
Hist. Avg.
80°
56°
20
Hist. Avg.
79°
55°
21
Hist. Avg.
79°
55°
22
Hist. Avg.
78°
54°
23
Hist. Avg.
78°
54°
24
Hist. Avg.
78°
54°
25
Hist. Avg.
77°
53°
26
Hist. Avg.
77°
53°
27
Hist. Avg.
77°
52°
28
Hist. Avg.
76°
52°
29
Hist. Avg.
76°
52°
30
Hist. Avg.
76°
51°
1
Hist. Avg.
75°
51°
2
Hist. Avg.
75°
50°
3
Hist. Avg.
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Salem
Salem's September 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 57° and 66°. The average high for September is 84° with an average low of 62°. 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.
