S
M
T
W
T
F
S
30
72°
59°
31
70°
55°
1
72°
52°
2
66°
57°
3
79°
64°
4
68°
57°
5
70°
54°
6
79°
60°
7
71°
55°
8
66°
50°
9
66°
49°
10
66°
55°
11
69°
50°
12
69°
53°
13
69°
56°
14
70°
55°
15
69°
51°
16
66°
52°
17
65°
50°
18
67°
54°
19
63°
49°
20
66°
52°
21
67°
52°
22
67°
51°
23
66°
52°
24
67°
50°
25
65°
47°
26
63°
47°
27
64°
48°
28
64°
49°
29
63°
48°
30
64°
48°
1
63°
43°
2
63°
49°
3
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kettering
Kettering's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 43° and 60°. The average high for September is 66° with an average low of 51°. 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 Kettering. See also: October | November | December.
