S
M
T
W
T
F
S
30
72°
51°
31
75°
55°
1
78°
50°
2
72°
49°
3
71°
48°
4
72°
50°
5
73°
56°
6
77°
55°
7
78°
54°
8
71°
54°
9
69°
55°
10
74°
54°
11
72°
52°
12
73°
53°
13
69°
51°
14
68°
46°
15
67°
46°
16
67°
44°
17
68°
46°
18
67°
51°
19
72°
51°
20
73°
52°
21
72°
47°
22
67°
44°
23
66°
48°
24
65°
49°
25
71°
43°
26
68°
41°
27
Hist. Avg.
66°
47°
28
Hist. Avg.
66°
46°
29
Hist. Avg.
65°
46°
30
Hist. Avg.
65°
46°
1
Hist. Avg.
65°
45°
2
Hist. Avg.
64°
45°
3
Hist. Avg.
64°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Mountain Top
Mountain Top's September 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 41° and 56°. The average high for September is 71° with an average low of 50°. 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 Top. See also: October | November | December.
