S
M
T
W
T
F
S
30
66°
57°
31
64°
54°
1
68°
52°
2
66°
57°
3
68°
60°
4
68°
56°
5
65°
56°
6
74°
59°
7
65°
55°
8
62°
53°
9
61°
52°
10
63°
53°
11
64°
54°
12
62°
52°
13
64°
56°
14
63°
55°
15
64°
56°
16
61°
52°
17
62°
51°
18
62°
51°
19
63°
53°
20
64°
53°
21
64°
55°
22
63°
54°
23
64°
53°
24
63°
53°
25
63°
52°
26
62°
53°
27
63°
52°
28
63°
54°
29
62°
53°
30
62°
50°
1
58°
48°
2
57°
47°
3
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kirkby
Kirkby's September 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 46° and 60°. The average high for September is 63° with an average low of 53°. 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 Kirkby. See also: October | November | December.