S
M
T
W
T
F
S
30
95°
74°
31
94°
73°
1
91°
73°
2
91°
72°
3
92°
70°
4
90°
70°
5
90°
71°
6
92°
72°
7
93°
72°
8
93°
71°
9
92°
71°
10
94°
72°
11
93°
65°
12
92°
70°
13
92°
64°
14
93°
63°
15
88°
63°
16
92°
66°
17
93°
68°
18
93°
69°
19
94°
68°
20
92°
65°
21
84°
61°
22
84°
66°
23
83°
61°
24
83°
61°
25
81°
62°
26
81°
62°
27
86°
58°
28
89°
61°
29
88°
59°
30
88°
63°
1
89°
64°
2
89°
54°
3
88°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Monroe
West Monroe's September 2026 forecast shows daily high temperatures ranging from 81° to 95°, with overnight lows between 53° and 74°. The average high for September is 90° with an average low of 66°. 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 West Monroe. See also: October | November | December.