S
M
T
W
T
F
S
30
86°
62°
31
85°
62°
1
79°
59°
2
80°
60°
3
80°
59°
4
77°
60°
5
80°
61°
6
77°
61°
7
84°
60°
8
84°
60°
9
83°
62°
10
86°
63°
11
86°
60°
12
78°
56°
13
82°
59°
14
82°
59°
15
83°
60°
16
84°
59°
17
80°
55°
18
70°
49°
19
73°
55°
20
80°
56°
21
74°
56°
22
81°
55°
23
74°
48°
24
68°
53°
25
71°
47°
26
70°
51°
27
74°
54°
28
72°
53°
29
67°
52°
30
76°
51°
1
69°
45°
2
71°
52°
3
76°
51°
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 67° to 86°, with overnight lows between 45° and 63°. The average high for September is 78° with an average low of 56°. 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.
