S
M
T
W
T
F
S
30
94°
65°
31
85°
62°
1
83°
65°
2
83°
65°
3
87°
59°
4
82°
60°
5
80°
61°
6
77°
61°
7
84°
60°
8
84°
60°
9
83°
62°
10
86°
63°
11
83°
60°
12
82°
59°
13
82°
60°
14
81°
57°
15
71°
51°
16
74°
58°
17
82°
57°
18
82°
59°
19
81°
58°
20
83°
57°
21
76°
56°
22
81°
54°
23
68°
49°
24
71°
54°
25
74°
54°
26
79°
56°
27
79°
55°
28
78°
56°
29
76°
55°
30
77°
54°
1
76°
52°
2
71°
52°
3
75°
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 68° to 94°, with overnight lows between 49° and 65°. The average high for September is 80° with an average low of 58°. 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.
