S
M
T
W
T
F
S
30
71°
63°
31
82°
66°
1
77°
64°
2
82°
59°
3
74°
55°
4
69°
54°
5
72°
53°
6
72°
51°
7
76°
49°
8
76°
60°
9
80°
63°
10
71°
46°
11
78°
44°
12
83°
57°
13
69°
50°
14
63°
46°
15
74°
55°
16
66°
47°
17
67°
44°
18
61°
44°
19
64°
40°
20
63°
54°
21
56°
45°
22
58°
37°
23
63°
36°
24
64°
38°
25
65°
43°
26
64°
38°
27
66°
42°
28
69°
47°
29
74°
45°
30
68°
58°
1
69°
54°
2
62°
49°
3
60°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Atlanta
Atlanta's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Atlanta. See also: October | November | December.
