S
M
T
W
T
F
S
30
96°
69°
31
96°
72°
1
95°
74°
2
96°
74°
3
97°
75°
4
96°
73°
5
94°
74°
6
96°
72°
7
99°
76°
8
99°
75°
9
98°
74°
10
98°
75°
11
92°
68°
12
92°
67°
13
91°
68°
14
89°
66°
15
85°
70°
16
86°
69°
17
89°
69°
18
91°
68°
19
90°
69°
20
89°
69°
21
86°
68°
22
90°
68°
23
90°
67°
24
89°
67°
25
90°
66°
26
89°
67°
27
90°
66°
28
90°
66°
29
89°
65°
30
90°
66°
1
89°
66°
2
88°
65°
3
87°
65°
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 85° to 99°, with overnight lows between 65° and 76°. The average high for September is 91° with an average low of 69°. 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.