S
M
T
W
T
F
S
30
101°
78°
31
101°
76°
1
101°
73°
2
103°
78°
3
104°
74°
4
101°
77°
5
101°
73°
6
101°
74°
7
102°
77°
8
102°
77°
9
99°
75°
10
99°
75°
11
100°
76°
12
105°
77°
13
104°
76°
14
96°
71°
15
93°
68°
16
94°
69°
17
94°
68°
18
93°
67°
19
90°
66°
20
89°
62°
21
94°
69°
22
93°
68°
23
90°
67°
24
82°
66°
25
80°
66°
26
84°
65°
27
84°
65°
28
85°
64°
29
86°
65°
30
87°
56°
1
78°
53°
2
78°
52°
3
76°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Graham
Graham's September 2026 forecast shows daily high temperatures ranging from 76° to 105°, with overnight lows between 51° and 77°. The average high for September is 91° with an average low of 67°. 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 Graham. See also: October | November | December.
