S
M
T
W
T
F
S
30
76°
58°
31
78°
59°
1
77°
58°
2
78°
50°
3
76°
48°
4
70°
54°
5
70°
57°
6
77°
49°
7
75°
48°
8
67°
46°
9
68°
50°
10
71°
55°
11
69°
56°
12
77°
54°
13
76°
50°
14
70°
48°
15
65°
45°
16
65°
49°
17
66°
47°
18
64°
45°
19
69°
42°
20
64°
42°
21
63°
50°
22
65°
50°
23
70°
44°
24
68°
50°
25
68°
51°
26
65°
51°
27
71°
48°
28
71°
42°
29
68°
44°
30
59°
48°
1
64°
45°
2
68°
48°
3
64°
49°
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 59° to 78°, with overnight lows between 42° and 59°. The average high for September is 69° with an average low of 49°. 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.
