S
M
T
W
T
F
S
30
74°
49°
31
73°
42°
1
69°
44°
2
65°
50°
3
68°
51°
4
73°
42°
5
69°
40°
6
64°
43°
7
66°
45°
8
69°
48°
9
69°
42°
10
62°
42°
11
62°
43°
12
61°
40°
13
59°
37°
14
59°
38°
15
60°
44°
16
62°
47°
17
61°
41°
18
66°
45°
19
60°
43°
20
63°
44°
21
61°
40°
22
57°
39°
23
57°
34°
24
56°
42°
25
57°
39°
26
60°
36°
27
Hist. Avg.
58°
37°
28
Hist. Avg.
58°
37°
29
Hist. Avg.
57°
37°
30
Hist. Avg.
57°
37°
1
Hist. Avg.
57°
36°
2
Hist. Avg.
57°
36°
3
Hist. Avg.
56°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Red Rock
Red Rock's September 2026 forecast shows daily high temperatures ranging from 56° to 74°, with overnight lows between 34° and 51°. The average high for September is 64° with an average low of 43°. 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 Red Rock. See also: October | November | December.