S
M
T
W
T
F
S
30
84°
54°
31
79°
57°
1
73°
60°
2
74°
63°
3
79°
63°
4
84°
58°
5
79°
57°
6
74°
51°
7
78°
56°
8
75°
52°
9
74°
54°
10
76°
57°
11
78°
57°
12
78°
54°
13
77°
53°
14
74°
51°
15
71°
50°
16
71°
54°
17
75°
50°
18
69°
47°
19
69°
46°
20
71°
50°
21
74°
54°
22
77°
55°
23
78°
54°
24
77°
51°
25
75°
50°
26
75°
51°
27
76°
52°
28
75°
52°
29
74°
47°
30
66°
43°
1
64°
42°
2
66°
49°
3
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Springfield
Springfield's September 2026 forecast shows daily high temperatures ranging from 64° to 84°, with overnight lows between 42° and 63°. The average high for September is 74° with an average low of 53°. 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 Springfield. See also: October | November | December.
