S
M
T
W
T
F
S
30
99°
75°
31
99°
75°
1
101°
74°
2
101°
73°
3
102°
76°
4
98°
77°
5
97°
79°
6
97°
72°
7
99°
74°
8
101°
75°
9
100°
76°
10
100°
74°
11
103°
74°
12
101°
76°
13
100°
76°
14
101°
75°
15
101°
76°
16
100°
72°
17
97°
74°
18
92°
76°
19
98°
75°
20
97°
72°
21
98°
72°
22
97°
73°
23
96°
73°
24
92°
72°
25
96°
72°
26
96°
72°
27
N/A
28
98°
72°
29
98°
76°
30
92°
71°
1
82°
73°
2
91°
74°
3
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Knippa
Knippa's September 2026 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 Knippa. See also: October | November | December.