S
M
T
W
T
F
S
30
92°
75°
31
91°
76°
1
90°
76°
2
91°
75°
3
93°
75°
4
90°
75°
5
89°
74°
6
96°
72°
7
95°
75°
8
92°
75°
9
92°
74°
10
82°
74°
11
89°
72°
12
91°
72°
13
97°
72°
14
96°
73°
15
97°
72°
16
91°
76°
17
90°
71°
18
91°
70°
19
94°
70°
20
96°
72°
21
97°
73°
22
N/A
23
N/A
24
91°
71°
25
89°
68°
26
87°
69°
27
90°
71°
28
91°
72°
29
89°
72°
30
90°
76°
1
87°
73°
2
87°
72°
3
86°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Laplace
Laplace's September 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 69° 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 Laplace. See also: October | November | December.
