S
M
T
W
T
F
S
30
81°
69°
31
91°
72°
1
94°
77°
2
96°
78°
3
92°
79°
4
93°
78°
5
83°
73°
6
79°
71°
7
80°
66°
8
85°
73°
9
81°
69°
10
79°
61°
11
81°
66°
12
83°
67°
13
81°
68°
14
81°
67°
15
76°
61°
16
73°
62°
17
72°
57°
18
72°
58°
19
71°
55°
20
70°
58°
21
74°
57°
22
70°
62°
23
72°
61°
24
78°
62°
25
78°
62°
26
77°
61°
27
77°
62°
28
79°
62°
29
78°
63°
30
78°
62°
1
75°
56°
2
70°
50°
3
63°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cicero
Cicero's September 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 47° and 73°. The average high for September is 76° with an average low of 61°. 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 Cicero. See also: October | November | December.
