S
M
T
W
T
F
S
30
90°
67°
31
88°
67°
1
89°
62°
2
84°
59°
3
79°
64°
4
86°
68°
5
87°
67°
6
88°
64°
7
87°
65°
8
85°
64°
9
83°
62°
10
83°
57°
11
76°
57°
12
77°
59°
13
79°
63°
14
82°
64°
15
80°
63°
16
79°
63°
17
78°
54°
18
80°
52°
19
73°
52°
20
72°
55°
21
73°
60°
22
77°
62°
23
80°
62°
24
79°
60°
25
80°
51°
26
79°
52°
27
70°
51°
28
69°
49°
29
69°
51°
30
69°
60°
1
79°
58°
2
Hist. Avg.
72°
49°
3
Hist. Avg.
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Belton
Belton's September 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 49° and 68°. The average high for September is 80° with an average low of 60°. 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 Belton. See also: October | November | December.
