S
M
T
W
T
F
S
30
88°
64°
31
87°
62°
1
79°
56°
2
79°
57°
3
82°
63°
4
83°
64°
5
85°
64°
6
86°
62°
7
83°
59°
8
85°
60°
9
85°
60°
10
84°
59°
11
86°
61°
12
85°
60°
13
85°
60°
14
86°
53°
15
84°
50°
16
75°
50°
17
75°
54°
18
79°
58°
19
83°
58°
20
82°
57°
21
80°
57°
22
77°
54°
23
80°
56°
24
82°
57°
25
83°
56°
26
83°
56°
27
82°
52°
28
80°
48°
29
72°
53°
30
71°
52°
1
70°
54°
2
71°
52°
3
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Flag Fork
Flag Fork's September 2026 forecast shows daily high temperatures ranging from 70° to 88°, with overnight lows between 48° and 64°. The average high for September is 81° with an average low of 57°. 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 Flag Fork. See also: October | November | December.
