S
M
T
W
T
F
S
30
90°
68°
31
90°
69°
1
91°
68°
2
85°
65°
3
86°
65°
4
87°
67°
5
89°
66°
6
89°
65°
7
84°
64°
8
85°
64°
9
85°
65°
10
86°
63°
11
86°
63°
12
88°
64°
13
85°
61°
14
83°
62°
15
84°
61°
16
85°
61°
17
86°
64°
18
86°
65°
19
86°
62°
20
Hist. Avg.
83°
62°
21
Hist. Avg.
83°
61°
22
Hist. Avg.
82°
61°
23
Hist. Avg.
82°
60°
24
Hist. Avg.
82°
60°
25
Hist. Avg.
82°
60°
26
Hist. Avg.
81°
59°
27
Hist. Avg.
81°
59°
28
Hist. Avg.
81°
58°
29
Hist. Avg.
80°
58°
30
Hist. Avg.
80°
57°
1
Hist. Avg.
80°
57°
2
Hist. Avg.
80°
56°
3
Hist. Avg.
79°
56°
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 83° to 91°, with overnight lows between 61° and 69°. The average high for September is 86° with an average low of 64°. 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.
