S
M
T
W
T
F
S
30
83°
58°
31
86°
65°
1
89°
72°
2
92°
70°
3
87°
67°
4
80°
64°
5
79°
59°
6
77°
55°
7
80°
53°
8
83°
62°
9
89°
67°
10
78°
54°
11
78°
54°
12
82°
61°
13
82°
61°
14
78°
59°
15
77°
56°
16
76°
55°
17
78°
55°
18
76°
54°
19
73°
52°
20
70°
49°
21
77°
54°
22
72°
52°
23
71°
53°
24
76°
52°
25
76°
53°
26
77°
52°
27
74°
51°
28
76°
53°
29
77°
53°
30
77°
52°
1
76°
52°
2
74°
46°
3
72°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kittanning
Kittanning's September 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 43° and 67°. The average high for September is 77° with an average low of 54°. 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 Kittanning. See also: October | November | December.
