S
M
T
W
T
F
S
30
87°
70°
31
90°
70°
1
93°
70°
2
95°
72°
3
95°
72°
4
93°
72°
5
97°
72°
6
97°
69°
7
79°
68°
8
86°
68°
9
85°
68°
10
88°
70°
11
88°
69°
12
88°
68°
13
86°
67°
14
89°
66°
15
86°
65°
16
84°
64°
17
85°
63°
18
86°
64°
19
83°
61°
20
79°
64°
21
86°
64°
22
85°
63°
23
84°
64°
24
84°
63°
25
83°
63°
26
84°
62°
27
85°
64°
28
84°
63°
29
83°
63°
30
83°
62°
1
82°
62°
2
82°
59°
3
75°
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 75° to 97°, with overnight lows between 56° and 70°. The average high for September is 85° with an average low of 64°. 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.
