S
M
T
W
T
F
S
30
74°
55°
31
77°
57°
1
78°
57°
2
78°
56°
3
77°
49°
4
74°
47°
5
69°
49°
6
70°
54°
7
74°
54°
8
75°
53°
9
76°
54°
10
70°
53°
11
75°
52°
12
75°
54°
13
74°
54°
14
74°
53°
15
75°
53°
16
74°
47°
17
72°
52°
18
72°
46°
19
71°
44°
20
67°
43°
21
63°
41°
22
63°
49°
23
64°
45°
24
66°
42°
25
62°
41°
26
62°
41°
27
64°
45°
28
69°
47°
29
68°
46°
30
68°
45°
1
62°
46°
2
62°
38°
3
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mountain Dale
Mountain Dale's September 2026 forecast shows daily high temperatures ranging from 61° to 78°, with overnight lows between 38° and 57°. The average high for September is 70° 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 Mountain Dale. See also: October | November | December.
