S
M
T
W
T
F
S
30
87°
69°
31
89°
68°
1
86°
68°
2
84°
66°
3
84°
68°
4
83°
67°
5
83°
65°
6
84°
65°
7
84°
66°
8
83°
64°
9
82°
61°
10
82°
65°
11
81°
60°
12
86°
61°
13
86°
65°
14
85°
58°
15
81°
57°
16
80°
58°
17
79°
57°
18
83°
58°
19
85°
58°
20
84°
59°
21
84°
61°
22
83°
63°
23
80°
61°
24
81°
58°
25
81°
59°
26
83°
59°
27
82°
58°
28
82°
60°
29
83°
60°
30
82°
61°
1
82°
60°
2
81°
60°
3
82°
57°
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 79° to 89°, with overnight lows between 57° and 69°. The average high for September is 83° with an average low of 62°. 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.
