S
M
T
W
T
F
S
30
80°
60°
31
81°
55°
1
82°
54°
2
77°
53°
3
76°
58°
4
79°
62°
5
83°
57°
6
83°
53°
7
76°
52°
8
76°
56°
9
78°
59°
10
77°
58°
11
76°
59°
12
74°
57°
13
74°
51°
14
73°
49°
15
72°
49°
16
72°
52°
17
73°
56°
18
78°
57°
19
79°
57°
20
80°
55°
21
78°
53°
22
77°
55°
23
73°
47°
24
77°
46°
25
69°
45°
26
69°
47°
27
77°
54°
28
71°
54°
29
77°
52°
30
Hist. Avg.
70°
48°
1
Hist. Avg.
69°
48°
2
Hist. Avg.
69°
47°
3
Hist. Avg.
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cedar Lake
Cedar Lake's September 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 45° and 62°. The average high for September is 76° with an average low of 54°. 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 Cedar Lake. See also: October | November | December.
