S
M
T
W
T
F
S
30
91°
73°
31
93°
74°
1
96°
75°
2
97°
76°
3
98°
77°
4
96°
75°
5
99°
74°
6
97°
70°
7
97°
70°
8
90°
71°
9
91°
71°
10
92°
75°
11
93°
74°
12
89°
73°
13
93°
75°
14
96°
73°
15
87°
-100°
16
89°
65°
17
90°
67°
18
92°
69°
19
90°
72°
20
89°
73°
21
89°
71°
22
83°
70°
23
87°
69°
24
88°
67°
25
84°
64°
26
83°
65°
27
81°
65°
28
83°
64°
29
85°
56°
30
86°
69°
1
84°
66°
2
86°
70°
3
84°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Augusta
Augusta's September 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 56° and 73°. The average high for September is 86° with an average low of 67°. 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 Augusta. See also: October | November | December.
