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