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