S
M
T
W
T
F
S
30
76°
68°
31
77°
66°
1
78°
66°
2
77°
65°
3
76°
64°
4
74°
63°
5
73°
64°
6
74°
66°
7
76°
66°
8
78°
67°
9
75°
64°
10
75°
64°
11
76°
65°
12
75°
67°
13
77°
68°
14
80°
69°
15
80°
70°
16
81°
71°
17
82°
69°
18
81°
69°
19
79°
70°
20
80°
68°
21
80°
67°
22
78°
65°
23
74°
65°
24
75°
66°
25
80°
68°
26
75°
67°
27
Hist. Avg.
76°
65°
28
Hist. Avg.
76°
65°
29
Hist. Avg.
76°
65°
30
Hist. Avg.
76°
64°
1
Hist. Avg.
76°
64°
2
Hist. Avg.
76°
64°
3
Hist. Avg.
76°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Grant Hill
Grant Hill's September 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 63° and 71°. The average high for September is 77° 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 Grant Hill. See also: October | November | December.
