S
M
T
W
T
F
S
30
75°
46°
31
75°
50°
1
74°
48°
2
74°
46°
3
75°
49°
4
75°
48°
5
73°
48°
6
73°
45°
7
74°
46°
8
81°
49°
9
82°
53°
10
83°
53°
11
82°
52°
12
83°
53°
13
82°
51°
14
80°
44°
15
76°
47°
16
75°
51°
17
80°
52°
18
81°
50°
19
80°
49°
20
80°
51°
21
78°
52°
22
79°
51°
23
79°
49°
24
77°
50°
25
77°
51°
26
78°
51°
27
78°
49°
28
71°
48°
29
68°
49°
30
71°
48°
1
68°
46°
2
65°
42°
3
64°
45°
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 64° to 83°, with overnight lows between 42° and 53°. The average high for September is 76° with an average low of 49°. 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.
