S
M
T
W
T
F
S
30
90°
68°
31
87°
69°
1
98°
73°
2
88°
70°
3
91°
71°
4
91°
71°
5
82°
65°
6
85°
60°
7
81°
59°
8
83°
62°
9
89°
68°
10
90°
68°
11
82°
62°
12
84°
63°
13
85°
66°
14
86°
65°
15
84°
63°
16
80°
60°
17
81°
61°
18
78°
60°
19
80°
59°
20
78°
57°
21
82°
61°
22
79°
60°
23
75°
60°
24
75°
59°
25
76°
59°
26
80°
58°
27
79°
58°
28
79°
59°
29
80°
59°
30
80°
58°
1
79°
58°
2
77°
57°
3
78°
55°
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 75° to 90°, with overnight lows between 55° and 68°. The average high for September is 81° with an average low of 61°. 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.
