S
M
T
W
T
F
S
30
74°
58°
31
74°
59°
1
75°
62°
2
77°
63°
3
80°
64°
4
80°
63°
5
82°
64°
6
81°
63°
7
78°
63°
8
74°
62°
9
75°
62°
10
78°
63°
11
75°
62°
12
72°
61°
13
76°
60°
14
79°
61°
15
79°
60°
16
77°
60°
17
77°
59°
18
78°
60°
19
74°
59°
20
76°
59°
21
78°
57°
22
78°
48°
23
75°
49°
24
69°
52°
25
72°
53°
26
73°
54°
27
75°
55°
28
74°
55°
29
77°
57°
30
78°
54°
1
77°
49°
2
74°
52°
3
69°
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 69° to 82°, with overnight lows between 48° and 64°. The average high for September is 76° with an average low of 58°. 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.