S
M
T
W
T
F
S
30
96°
70°
31
80°
64°
1
92°
63°
2
94°
68°
3
91°
69°
4
90°
67°
5
93°
68°
6
95°
66°
7
95°
76°
8
99°
77°
9
96°
75°
10
93°
73°
11
91°
72°
12
89°
71°
13
92°
70°
14
91°
71°
15
95°
66°
16
98°
70°
17
98°
70°
18
94°
68°
19
93°
67°
20
90°
66°
21
93°
66°
22
95°
68°
23
95°
68°
24
92°
65°
25
90°
64°
26
93°
67°
27
89°
66°
28
88°
65°
29
89°
62°
30
90°
64°
1
92°
65°
2
92°
64°
3
93°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Top-of-the-World
Top-of-the-World's September 2026 forecast shows daily high temperatures ranging from 88° to 99°, with overnight lows between 62° and 77°. The average high for September is 93° with an average low of 68°. 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 Top-of-the-World. See also: October | November | December.
