S
M
T
W
T
F
S
30
91°
70°
31
93°
70°
1
96°
70°
2
98°
72°
3
97°
73°
4
97°
72°
5
100°
72°
6
97°
71°
7
82°
73°
8
90°
69°
9
92°
66°
10
92°
67°
11
87°
72°
12
84°
70°
13
90°
71°
14
93°
72°
15
90°
70°
16
86°
68°
17
87°
67°
18
88°
67°
19
83°
64°
20
80°
61°
21
78°
58°
22
80°
61°
23
80°
62°
24
81°
60°
25
82°
63°
26
82°
60°
27
81°
59°
28
83°
62°
29
83°
63°
30
82°
63°
1
82°
62°
2
81°
61°
3
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sandy Springs
Sandy Springs's September 2026 forecast shows daily high temperatures ranging from 78° to 93°, with overnight lows between 58° and 72°. The average high for September is 84° with an average low of 64°. 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 Sandy Springs. See also: October | November | December.