S
M
T
W
T
F
S
30
86°
54°
31
81°
48°
1
80°
46°
2
84°
46°
3
79°
54°
4
91°
52°
5
95°
64°
6
91°
59°
7
93°
64°
8
81°
52°
9
81°
45°
10
90°
37°
11
73°
46°
12
63°
43°
13
72°
46°
14
68°
55°
15
68°
34°
16
72°
34°
17
73°
37°
18
68°
59°
19
64°
57°
20
63°
54°
21
65°
47°
22
65°
54°
23
65°
53°
24
78°
54°
25
72°
55°
26
69°
46°
27
67°
49°
28
67°
45°
29
69°
45°
30
69°
44°
1
67°
43°
2
66°
38°
3
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Salem
New Salem's September 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 38° and 55°. The average high for September is 68° with an average low of 48°. 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 New Salem. See also: October | November | December.
