S
M
T
W
T
F
S
30
100°
73°
31
101°
74°
1
100°
74°
2
102°
75°
3
94°
77°
4
98°
78°
5
100°
73°
6
100°
75°
7
101°
75°
8
101°
77°
9
100°
76°
10
98°
75°
11
99°
77°
12
101°
76°
13
99°
75°
14
99°
76°
15
98°
70°
16
94°
69°
17
94°
69°
18
92°
68°
19
92°
67°
20
87°
65°
21
89°
64°
22
93°
69°
23
92°
69°
24
87°
68°
25
83°
68°
26
89°
67°
27
88°
68°
28
88°
68°
29
89°
67°
30
88°
64°
1
81°
57°
2
79°
56°
3
79°
56°
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 79° to 101°, with overnight lows between 56° and 77°. The average high for September is 92° with an average low of 69°. 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.
