S
M
T
W
T
F
S
30
92°
75°
31
90°
75°
1
91°
75°
2
94°
74°
3
94°
78°
4
86°
73°
5
90°
75°
6
94°
73°
7
96°
73°
8
91°
72°
9
92°
73°
10
82°
72°
11
87°
74°
12
92°
72°
13
94°
74°
14
95°
73°
15
94°
73°
16
94°
75°
17
91°
72°
18
91°
68°
19
93°
69°
20
95°
72°
21
94°
70°
22
93°
73°
23
94°
73°
24
92°
67°
25
90°
66°
26
91°
67°
27
88°
64°
28
87°
65°
29
88°
64°
30
87°
64°
1
86°
65°
2
84°
62°
3
84°
65°
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 95°, with overnight lows between 62° and 73°. The average high for September is 90° with an average low of 67°. 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.
