S
M
T
W
T
F
S
30
92°
68°
31
91°
67°
1
90°
67°
2
89°
66°
3
86°
67°
4
89°
67°
5
90°
66°
6
89°
67°
7
88°
62°
8
90°
62°
9
86°
61°
10
87°
60°
11
81°
63°
12
86°
62°
13
89°
62°
14
90°
53°
15
81°
53°
16
75°
54°
17
76°
60°
18
76°
61°
19
85°
61°
20
83°
60°
21
82°
56°
22
82°
54°
23
84°
59°
24
84°
60°
25
82°
59°
26
80°
57°
27
82°
50°
28
75°
50°
29
70°
49°
30
71°
48°
1
72°
51°
2
70°
54°
3
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nixa
Nixa's September 2026 forecast shows daily high temperatures ranging from 69° to 92°, with overnight lows between 48° and 68°. The average high for September is 83° with an average low of 59°. 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 Nixa. See also: October | November | December.