S
M
T
W
T
F
S
30
93°
75°
31
92°
74°
1
90°
74°
2
88°
73°
3
88°
73°
4
88°
72°
5
87°
71°
6
87°
72°
7
88°
72°
8
87°
71°
9
86°
69°
10
86°
72°
11
87°
67°
12
90°
70°
13
91°
71°
14
89°
65°
15
85°
64°
16
83°
65°
17
84°
64°
18
87°
65°
19
89°
65°
20
89°
68°
21
88°
68°
22
88°
69°
23
86°
68°
24
86°
64°
25
85°
65°
26
87°
63°
27
87°
62°
28
86°
66°
29
87°
67°
30
87°
67°
1
86°
66°
2
87°
67°
3
87°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fortson
Fortson's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 62° and 75°. The average high for September is 87° 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 Fortson. See also: October | November | December.
