S
M
T
W
T
F
S
30
73°
50°
31
76°
50°
1
78°
54°
2
77°
54°
3
76°
53°
4
77°
54°
5
74°
54°
6
70°
51°
7
76°
51°
8
75°
53°
9
76°
47°
10
74°
51°
11
75°
52°
12
74°
51°
13
74°
52°
14
73°
50°
15
76°
51°
16
69°
51°
17
71°
50°
18
Hist. Avg.
74°
48°
19
Hist. Avg.
74°
48°
20
Hist. Avg.
73°
47°
21
Hist. Avg.
73°
47°
22
Hist. Avg.
72°
47°
23
Hist. Avg.
72°
46°
24
Hist. Avg.
72°
46°
25
Hist. Avg.
71°
45°
26
Hist. Avg.
71°
45°
27
Hist. Avg.
71°
44°
28
Hist. Avg.
70°
44°
29
Hist. Avg.
70°
44°
30
Hist. Avg.
70°
43°
1
Hist. Avg.
69°
43°
2
Hist. Avg.
69°
42°
3
Hist. Avg.
69°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Whitetop
Whitetop's September 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 47° and 54°. The average high for September is 74° with an average low of 52°. 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 Whitetop. See also: October | November | December.