S
M
T
W
T
F
S
30
74°
50°
31
76°
49°
1
75°
50°
2
74°
49°
3
75°
50°
4
76°
48°
5
76°
50°
6
75°
53°
7
74°
52°
8
75°
48°
9
73°
49°
10
72°
46°
11
73°
46°
12
74°
47°
13
75°
52°
14
72°
48°
15
77°
52°
16
78°
54°
17
78°
54°
18
79°
48°
19
78°
43°
20
73°
44°
21
68°
50°
22
69°
49°
23
72°
50°
24
73°
51°
25
74°
41°
26
73°
39°
27
66°
42°
28
64°
41°
29
65°
41°
30
64°
39°
1
Hist. Avg.
64°
44°
2
Hist. Avg.
63°
44°
3
Hist. Avg.
63°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grant
Grant's September 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 39° and 54°. The average high for September is 73° with an average low of 48°. 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. See also: October | November | December.
