S
M
T
W
T
F
S
30
97°
65°
31
98°
72°
1
100°
76°
2
100°
77°
3
100°
81°
4
101°
75°
5
103°
77°
6
104°
76°
7
99°
74°
8
102°
68°
9
99°
76°
10
100°
74°
11
90°
73°
12
100°
75°
13
100°
72°
14
101°
74°
15
101°
75°
16
101°
75°
17
100°
73°
18
101°
71°
19
101°
71°
20
100°
72°
21
95°
72°
22
N/A
23
88°
60°
24
85°
63°
25
89°
66°
26
91°
67°
27
88°
63°
28
87°
65°
29
88°
63°
30
81°
64°
1
84°
62°
2
79°
56°
3
82°
61°
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 79° to 91°, with overnight lows between 56° and 67°. The average high for September is 86° 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.
