S
M
T
W
T
F
S
30
81°
49°
31
83°
50°
1
82°
51°
2
81°
50°
3
83°
51°
4
85°
51°
5
86°
50°
6
86°
52°
7
84°
52°
8
85°
51°
9
84°
49°
10
84°
47°
11
78°
47°
12
77°
46°
13
79°
46°
14
81°
44°
15
77°
43°
16
76°
43°
17
78°
42°
18
77°
47°
19
77°
44°
20
76°
43°
21
77°
42°
22
75°
39°
23
75°
43°
24
79°
41°
25
77°
42°
26
78°
43°
27
78°
41°
28
79°
39°
29
80°
39°
30
80°
41°
1
81°
36°
2
74°
33°
3
77°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grants
Grants's September 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 33° and 52°. The average high for September is 80° with an average low of 45°. 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 Grants. See also: October | November | December.
