S
M
T
W
T
F
S
30
69°
52°
31
72°
55°
1
75°
55°
2
75°
54°
3
76°
51°
4
74°
53°
5
71°
47°
6
74°
46°
7
67°
47°
8
67°
51°
9
69°
53°
10
70°
47°
11
71°
46°
12
66°
49°
13
71°
48°
14
67°
51°
15
70°
46°
16
70°
45°
17
Hist. Avg.
65°
47°
18
Hist. Avg.
65°
47°
19
Hist. Avg.
65°
47°
20
Hist. Avg.
64°
46°
21
Hist. Avg.
64°
46°
22
Hist. Avg.
64°
46°
23
Hist. Avg.
63°
46°
24
Hist. Avg.
63°
45°
25
Hist. Avg.
63°
45°
26
Hist. Avg.
62°
45°
27
Hist. Avg.
62°
45°
28
Hist. Avg.
62°
44°
29
Hist. Avg.
62°
44°
30
Hist. Avg.
61°
44°
1
Hist. Avg.
61°
44°
2
Hist. Avg.
61°
43°
3
Hist. Avg.
60°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cape Jack
Cape Jack's September 2026 forecast shows daily high temperatures ranging from 66° to 76°, with overnight lows between 45° and 55°. The average high for September is 71° 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 Cape Jack. See also: October | November | December.
