S
M
T
W
T
F
S
30
93°
69°
31
92°
70°
1
92°
70°
2
91°
71°
3
92°
70°
4
91°
71°
5
92°
70°
6
91°
69°
7
90°
70°
8
89°
69°
9
87°
70°
10
89°
70°
11
89°
69°
12
90°
70°
13
87°
69°
14
86°
69°
15
86°
68°
16
87°
69°
17
86°
69°
18
85°
68°
19
85°
65°
20
86°
63°
21
84°
66°
22
86°
67°
23
87°
66°
24
84°
67°
25
86°
66°
26
88°
65°
27
88°
66°
28
87°
65°
29
88°
65°
30
86°
64°
1
87°
65°
2
Hist. Avg.
84°
60°
3
Hist. Avg.
84°
59°
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 84° to 93°, with overnight lows between 63° and 71°. The average high for September is 88° with an average low of 68°. 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.
