S
M
T
W
T
F
S
30
90°
64°
31
92°
66°
1
93°
67°
2
92°
68°
3
88°
67°
4
89°
66°
5
91°
67°
6
90°
67°
7
92°
66°
8
92°
67°
9
91°
66°
10
91°
66°
11
92°
67°
12
91°
66°
13
90°
63°
14
85°
60°
15
85°
59°
16
86°
60°
17
86°
63°
18
89°
64°
19
89°
62°
20
83°
63°
21
86°
63°
22
89°
62°
23
89°
60°
24
83°
56°
25
82°
55°
26
82°
57°
27
87°
60°
28
85°
60°
29
86°
60°
30
Hist. Avg.
82°
57°
1
Hist. Avg.
82°
56°
2
Hist. Avg.
82°
56°
3
Hist. Avg.
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Monroe
Monroe's September 2026 forecast shows daily high temperatures ranging from 82° to 93°, with overnight lows between 55° and 68°. The average high for September is 88° with an average low of 63°. 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.
