S
M
T
W
T
F
S
30
78°
60°
31
76°
58°
1
76°
54°
2
75°
52°
3
76°
51°
4
76°
51°
5
74°
50°
6
65°
48°
7
64°
51°
8
64°
57°
9
65°
55°
10
64°
52°
11
64°
47°
12
63°
52°
13
63°
56°
14
64°
51°
15
62°
49°
16
61°
48°
17
63°
49°
18
67°
53°
19
71°
50°
20
71°
50°
21
67°
45°
22
60°
44°
23
60°
47°
24
61°
46°
25
59°
45°
26
60°
46°
27
60°
48°
28
61°
48°
29
59°
49°
30
58°
46°
1
59°
48°
2
62°
53°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Stickney
Lake Stickney's September 2026 forecast shows daily high temperatures ranging from 58° to 78°, with overnight lows between 44° and 60°. The average high for September is 66° with an average low of 50°. 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 Lake Stickney. See also: October | November | December.
