S
M
T
W
T
F
S
30
72°
53°
31
73°
51°
1
77°
53°
2
78°
49°
3
75°
42°
4
70°
43°
5
69°
45°
6
69°
47°
7
73°
48°
8
75°
50°
9
77°
50°
10
78°
49°
11
77°
49°
12
75°
48°
13
76°
47°
14
75°
48°
15
74°
47°
16
74°
48°
17
75°
43°
18
70°
43°
19
64°
35°
20
63°
38°
21
64°
40°
22
Hist. Avg.
71°
39°
23
Hist. Avg.
71°
39°
24
Hist. Avg.
70°
38°
25
Hist. Avg.
70°
38°
26
Hist. Avg.
69°
38°
27
Hist. Avg.
69°
37°
28
Hist. Avg.
68°
37°
29
Hist. Avg.
68°
37°
30
Hist. Avg.
67°
36°
1
Hist. Avg.
67°
36°
2
Hist. Avg.
66°
36°
3
Hist. Avg.
66°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sundance
Sundance's September 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 35° and 53°. The average high for September is 73° with an average low of 46°. 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 Sundance. See also: October | November | December.
