S
M
T
W
T
F
S
30
73°
47°
31
71°
52°
1
73°
49°
2
70°
48°
3
72°
47°
4
77°
52°
5
70°
45°
6
70°
45°
7
71°
46°
8
70°
45°
9
70°
45°
10
71°
46°
11
70°
48°
12
73°
47°
13
76°
46°
14
77°
47°
15
76°
51°
16
77°
53°
17
76°
48°
18
75°
43°
19
69°
41°
20
73°
49°
21
72°
42°
22
67°
44°
23
68°
48°
24
64°
48°
25
62°
44°
26
62°
45°
27
61°
41°
28
60°
40°
29
60°
47°
30
61°
50°
1
62°
47°
2
62°
40°
3
61°
38°
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 60° to 77°, with overnight lows between 38° and 53°. The average high for September is 69° with an average low of 46°. 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.
