S
M
T
W
T
F
S
30
91°
73°
31
90°
72°
1
90°
73°
2
88°
73°
3
88°
72°
4
89°
73°
5
86°
71°
6
85°
72°
7
86°
72°
8
87°
71°
9
87°
72°
10
89°
73°
11
90°
72°
12
90°
72°
13
89°
71°
14
90°
71°
15
89°
70°
16
87°
71°
17
89°
70°
18
85°
70°
19
86°
69°
20
85°
70°
21
88°
63°
22
85°
64°
23
89°
64°
24
88°
63°
25
87°
64°
26
86°
63°
27
85°
66°
28
86°
67°
29
85°
66°
30
85°
65°
1
86°
65°
2
88°
63°
3
87°
64°
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 85° to 91°, with overnight lows between 63° and 73°. The average high for September is 87° with an average low of 69°. 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.
