S
M
T
W
T
F
S
30
75°
56°
31
73°
56°
1
71°
63°
2
70°
62°
3
77°
58°
4
74°
54°
5
68°
50°
6
66°
52°
7
70°
52°
8
67°
50°
9
65°
52°
10
71°
54°
11
69°
53°
12
67°
52°
13
68°
51°
14
66°
46°
15
64°
46°
16
64°
51°
17
67°
44°
18
62°
42°
19
62°
41°
20
64°
45°
21
68°
50°
22
71°
50°
23
71°
49°
24
70°
48°
25
68°
46°
26
69°
47°
27
70°
48°
28
69°
48°
29
68°
44°
30
59°
39°
1
57°
39°
2
61°
45°
3
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grand Gorge
Grand Gorge's September 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 39° and 63°. The average high for September is 67° with an average low of 49°. 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 Grand Gorge. See also: October | November | December.
