S
M
T
W
T
F
S
30
87°
67°
31
93°
67°
1
95°
74°
2
94°
72°
3
95°
72°
4
96°
74°
5
95°
70°
6
83°
62°
7
82°
57°
8
87°
59°
9
79°
67°
10
75°
62°
11
81°
58°
12
90°
65°
13
79°
54°
14
78°
51°
15
96°
66°
16
85°
70°
17
93°
70°
18
75°
68°
19
79°
69°
20
76°
62°
21
63°
59°
22
70°
56°
23
69°
58°
24
72°
55°
25
70°
58°
26
76°
51°
27
79°
49°
28
79°
49°
29
83°
50°
30
72°
61°
1
80°
61°
2
71°
47°
3
72°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Normal
Normal's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Normal. See also: October | November | December.
