S
M
T
W
T
F
S
30
81°
70°
31
87°
73°
1
93°
72°
2
91°
75°
3
87°
73°
4
92°
72°
5
82°
64°
6
79°
61°
7
80°
62°
8
84°
68°
9
83°
59°
10
76°
59°
11
78°
61°
12
79°
62°
13
76°
59°
14
73°
58°
15
77°
59°
16
76°
57°
17
75°
58°
18
71°
51°
19
73°
57°
20
76°
57°
21
71°
56°
22
70°
55°
23
73°
55°
24
74°
56°
25
75°
56°
26
73°
55°
27
74°
56°
28
75°
56°
29
73°
55°
30
72°
55°
1
68°
49°
2
60°
46°
3
60°
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 60° to 84°, with overnight lows between 41° and 68°. The average high for September is 74° 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.
