S
M
T
W
T
F
S
30
84°
54°
31
79°
57°
1
69°
62°
2
79°
61°
3
82°
62°
4
85°
59°
5
80°
53°
6
78°
52°
7
81°
46°
8
82°
50°
9
83°
60°
10
87°
65°
11
80°
51°
12
79°
47°
13
74°
63°
14
75°
48°
15
73°
43°
16
80°
51°
17
81°
62°
18
80°
60°
19
66°
49°
20
62°
54°
21
69°
52°
22
68°
44°
23
68°
41°
24
69°
40°
25
71°
41°
26
66°
56°
27
63°
58°
28
60°
55°
29
68°
56°
30
72°
55°
1
75°
62°
2
86°
51°
3
71°
43°
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 71° to 86°, with overnight lows between 43° and 62°. The average high for September is 77° with an average low of 52°. 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.
