S
M
T
W
T
F
S
30
86°
50°
31
86°
48°
1
87°
51°
2
88°
53°
3
88°
51°
4
86°
47°
5
86°
48°
6
85°
50°
7
83°
47°
8
81°
45°
9
82°
44°
10
80°
44°
11
82°
45°
12
85°
43°
13
84°
44°
14
84°
49°
15
83°
46°
16
81°
46°
17
81°
42°
18
78°
39°
19
76°
39°
20
77°
40°
21
76°
41°
22
80°
47°
23
81°
47°
24
74°
46°
25
72°
47°
26
73°
44°
27
72°
42°
28
73°
43°
29
72°
42°
30
79°
43°
1
74°
42°
2
Hist. Avg.
77°
39°
3
Hist. Avg.
77°
39°
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 72° to 88°, with overnight lows between 39° and 53°. 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.
