S
M
T
W
T
F
S
30
63°
55°
31
64°
52°
1
68°
52°
2
59°
48°
3
63°
54°
4
64°
54°
5
63°
54°
6
68°
54°
7
65°
51°
8
59°
50°
9
59°
47°
10
65°
52°
11
62°
49°
12
63°
53°
13
61°
52°
14
63°
52°
15
61°
49°
16
58°
50°
17
61°
50°
18
61°
49°
19
62°
51°
20
60°
51°
21
62°
52°
22
62°
52°
23
61°
51°
24
62°
50°
25
58°
50°
26
58°
47°
27
60°
50°
28
61°
50°
29
60°
49°
30
60°
50°
1
59°
50°
2
60°
49°
3
59°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cullen
Cullen's September 2026 forecast shows daily high temperatures ranging from 58° to 65°, with overnight lows between 47° and 53°. The average high for September is 61° 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 Cullen. See also: October | November | December.
