S
M
T
W
T
F
S
30
89°
71°
31
88°
70°
1
89°
71°
2
88°
68°
3
88°
67°
4
87°
68°
5
87°
68°
6
88°
69°
7
88°
68°
8
89°
69°
9
88°
69°
10
91°
70°
11
91°
67°
12
90°
70°
13
90°
70°
14
89°
69°
15
90°
69°
16
90°
67°
17
89°
68°
18
87°
68°
19
89°
67°
20
87°
67°
21
88°
68°
22
90°
67°
23
87°
66°
24
87°
66°
25
88°
65°
26
Hist. Avg.
86°
62°
27
Hist. Avg.
85°
62°
28
Hist. Avg.
85°
61°
29
Hist. Avg.
85°
61°
30
Hist. Avg.
85°
60°
1
Hist. Avg.
84°
60°
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
*Temporarily Unavailable
September Weather in Springfield
Springfield's September 2026 forecast shows daily high temperatures ranging from 87° to 91°, with overnight lows between 65° and 71°. The average high for September is 89° 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.
