S
M
T
W
T
F
S
30
77°
56°
31
77°
60°
1
75°
60°
2
71°
60°
3
80°
63°
4
80°
62°
5
74°
57°
6
69°
52°
7
75°
48°
8
76°
52°
9
78°
57°
10
82°
61°
11
74°
54°
12
75°
49°
13
73°
64°
14
69°
49°
15
69°
46°
16
74°
52°
17
78°
66°
18
80°
54°
19
67°
60°
20
67°
59°
21
68°
55°
22
63°
52°
23
66°
52°
24
69°
58°
25
72°
56°
26
70°
53°
27
71°
58°
28
71°
57°
29
70°
58°
30
71°
53°
1
66°
52°
2
73°
56°
3
66°
56°
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 63° to 80°, with overnight lows between 52° and 66°. The average high for September is 70° with an average low of 56°. 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.
