S
M
T
W
T
F
S
30
75°
45°
31
87°
56°
1
68°
55°
2
65°
55°
3
63°
54°
4
64°
52°
5
71°
51°
6
70°
54°
7
72°
50°
8
80°
53°
9
89°
56°
10
80°
51°
11
71°
45°
12
64°
53°
13
63°
52°
14
70°
53°
15
70°
51°
16
80°
58°
17
87°
53°
18
71°
50°
19
75°
48°
20
82°
48°
21
75°
51°
22
N/A
23
70°
46°
24
70°
53°
25
64°
42°
26
66°
47°
27
67°
45°
28
69°
49°
29
66°
48°
30
64°
44°
1
65°
44°
2
67°
45°
3
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Mountaindale
Mountaindale's September 2026 forecast shows daily high temperatures ranging from 64° to 70°, with overnight lows between 42° and 53°. The average high for September is 67° 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 Mountaindale. See also: October | November | December.
