S
M
T
W
T
F
S
30
85°
65°
31
82°
67°
1
90°
71°
2
92°
71°
3
89°
70°
4
81°
63°
5
81°
57°
6
79°
61°
7
78°
60°
8
74°
58°
9
75°
60°
10
78°
60°
11
77°
57°
12
75°
57°
13
74°
56°
14
75°
55°
15
78°
60°
16
75°
59°
17
76°
55°
18
71°
50°
19
74°
56°
20
79°
59°
21
79°
60°
22
78°
59°
23
79°
59°
24
79°
57°
25
78°
57°
26
78°
56°
27
77°
57°
28
77°
57°
29
76°
55°
30
74°
52°
1
72°
53°
2
74°
54°
3
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Kensington
New Kensington's September 2026 forecast shows daily high temperatures ranging from 71° to 92°, with overnight lows between 50° and 71°. The average high for September is 78° with an average low of 58°. 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 New Kensington. See also: October | November | December.
