S
M
T
W
T
F
S
30
95°
72°
31
95°
72°
1
94°
71°
2
95°
73°
3
96°
71°
4
94°
71°
5
94°
70°
6
93°
72°
7
94°
67°
8
89°
67°
9
89°
68°
10
92°
68°
11
93°
69°
12
92°
69°
13
93°
68°
14
92°
69°
15
91°
68°
16
91°
67°
17
90°
66°
18
87°
68°
19
86°
63°
20
88°
62°
21
86°
62°
22
82°
61°
23
84°
62°
24
85°
65°
25
84°
66°
26
86°
66°
27
88°
65°
28
88°
66°
29
87°
66°
30
88°
65°
1
89°
64°
2
87°
58°
3
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kountze
Kountze's September 2026 forecast shows daily high temperatures ranging from 82° to 96°, with overnight lows between 58° and 73°. The average high for September is 90° with an average low of 67°. 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 Kountze. See also: October | November | December.