S
M
T
W
T
F
S
30
78°
62°
31
77°
61°
1
77°
62°
2
78°
64°
3
77°
67°
4
78°
61°
5
79°
62°
6
78°
61°
7
77°
60°
8
78°
59°
9
76°
60°
10
76°
61°
11
77°
58°
12
75°
58°
13
75°
57°
14
76°
58°
15
77°
64°
16
80°
63°
17
78°
57°
18
74°
55°
19
73°
56°
20
74°
60°
21
73°
56°
22
73°
57°
23
76°
59°
24
77°
60°
25
78°
61°
26
77°
53°
27
76°
53°
28
70°
52°
29
70°
51°
30
69°
51°
1
Hist. Avg.
74°
53°
2
Hist. Avg.
73°
52°
3
Hist. Avg.
73°
52°
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 69° to 80°, with overnight lows between 51° and 67°. The average high for September is 76° with an average low of 59°. 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.
