S
M
T
W
T
F
S
30
92°
78°
31
89°
78°
1
90°
77°
2
92°
78°
3
93°
78°
4
92°
77°
5
88°
77°
6
90°
78°
7
90°
77°
8
89°
77°
9
91°
76°
10
92°
77°
11
92°
77°
12
90°
76°
13
88°
77°
14
88°
74°
15
88°
75°
16
91°
75°
17
92°
76°
18
91°
72°
19
89°
73°
20
86°
72°
21
86°
72°
22
87°
73°
23
88°
70°
24
89°
72°
25
90°
72°
26
88°
73°
27
84°
72°
28
83°
69°
29
87°
70°
30
87°
72°
1
88°
70°
2
87°
70°
3
87°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Garden District
Garden District's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 69° and 78°. The average high for September is 89° with an average low of 74°. 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 Garden District. See also: October | November | December.