S
M
T
W
T
F
S
30
91°
65°
31
89°
66°
1
88°
60°
2
88°
55°
3
79°
58°
4
82°
64°
5
86°
65°
6
87°
62°
7
88°
63°
8
84°
62°
9
81°
61°
10
81°
54°
11
77°
54°
12
78°
54°
13
78°
60°
14
81°
60°
15
82°
61°
16
80°
60°
17
80°
58°
18
81°
48°
19
75°
49°
20
73°
52°
21
74°
55°
22
78°
58°
23
81°
59°
24
80°
58°
25
81°
48°
26
80°
49°
27
71°
48°
28
69°
47°
29
70°
47°
30
72°
56°
1
80°
55°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carrollton
Carrollton's September 2026 forecast shows daily high temperatures ranging from 69° to 91°, with overnight lows between 47° and 66°. The average high for September is 80° with an average low of 57°. 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 Carrollton. See also: October | November | December.
