S
M
T
W
T
F
S
30
74°
52°
31
74°
53°
1
76°
58°
2
75°
60°
3
78°
60°
4
83°
59°
5
84°
57°
6
78°
50°
7
73°
50°
8
75°
53°
9
77°
49°
10
74°
50°
11
73°
50°
12
75°
49°
13
76°
56°
14
80°
56°
15
72°
54°
16
70°
52°
17
71°
54°
18
70°
53°
19
74°
46°
20
70°
49°
21
73°
45°
22
71°
45°
23
69°
44°
24
68°
44°
25
69°
50°
26
71°
43°
27
67°
51°
28
72°
49°
29
70°
42°
30
65°
46°
1
67°
49°
2
73°
47°
3
70°
41°
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 65° to 84°, with overnight lows between 41° and 60°. The average high for September is 73° with an average low of 50°. 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.
