S
M
T
W
T
F
S
31
77°
66°
1
72°
63°
2
82°
59°
3
82°
61°
4
82°
61°
5
72°
52°
6
75°
50°
7
79°
54°
8
79°
54°
9
79°
54°
10
84°
61°
11
88°
64°
12
90°
66°
13
90°
68°
14
90°
68°
15
91°
64°
16
90°
64°
17
91°
63°
18
88°
63°
19
82°
61°
20
73°
63°
21
79°
61°
22
82°
63°
23
73°
63°
24
68°
61°
25
77°
59°
26
79°
55°
27
81°
55°
28
82°
59°
29
81°
59°
30
81°
61°
1
82°
57°
2
82°
61°
3
82°
63°
4
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Monett
Monett's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Monett. See also: October | November | December.