S
M
T
W
T
F
S
30
93°
73°
31
91°
73°
1
92°
72°
2
93°
73°
3
94°
73°
4
94°
72°
5
91°
72°
6
92°
71°
7
92°
72°
8
93°
71°
9
93°
72°
10
92°
72°
11
93°
71°
12
93°
71°
13
91°
70°
14
91°
69°
15
90°
68°
16
92°
69°
17
94°
70°
18
92°
65°
19
89°
66°
20
85°
63°
21
86°
65°
22
86°
67°
23
89°
65°
24
90°
63°
25
89°
65°
26
89°
65°
27
84°
64°
28
83°
62°
29
86°
63°
30
86°
64°
1
88°
62°
2
87°
61°
3
87°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Independence
Independence's September 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 61° and 73°. The average high for September is 90° with an average low of 68°. 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 Independence. See also: October | November | December.