S
M
T
W
T
F
S
30
93°
73°
31
94°
74°
1
93°
74°
2
92°
70°
3
92°
69°
4
91°
70°
5
90°
70°
6
91°
73°
7
93°
74°
8
94°
74°
9
93°
73°
10
93°
73°
11
95°
72°
12
91°
73°
13
92°
73°
14
95°
67°
15
92°
68°
16
91°
67°
17
90°
68°
18
91°
69°
19
90°
70°
20
93°
70°
21
89°
69°
22
89°
71°
23
90°
70°
24
89°
70°
25
89°
69°
26
90°
69°
27
89°
68°
28
88°
69°
29
88°
69°
30
89°
68°
1
89°
68°
2
91°
67°
3
91°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Louise
Louise's September 2026 forecast shows daily high temperatures ranging from 88° to 95°, with overnight lows between 63° and 74°. The average high for September is 91° with an average low of 70°. 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 Louise. See also: October | November | December.
