S
M
T
W
T
F
S
30
82°
73°
31
90°
73°
1
93°
72°
2
93°
73°
3
93°
72°
4
93°
72°
5
91°
73°
6
82°
70°
7
81°
66°
8
93°
66°
9
82°
68°
10
81°
61°
11
82°
57°
12
79°
57°
13
63°
54°
14
75°
57°
15
70°
61°
16
70°
65°
17
75°
64°
18
81°
69°
19
80°
62°
20
69°
59°
21
69°
55°
22
70°
55°
23
72°
54°
24
71°
52°
25
73°
55°
26
74°
54°
27
74°
57°
28
76°
54°
29
72°
48°
30
72°
54°
1
75°
54°
2
69°
53°
3
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Monroe
Monroe's September 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 48° and 69°. The average high for September is 73° with an average low of 57°. 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 Monroe. See also: October | November | December.
