S
M
T
W
T
F
S
30
91°
72°
31
95°
70°
1
97°
72°
2
99°
72°
3
99°
73°
4
99°
73°
5
100°
75°
6
99°
72°
7
88°
72°
8
90°
72°
9
93°
68°
10
93°
66°
11
95°
68°
12
88°
73°
13
95°
70°
14
97°
68°
15
97°
70°
16
95°
73°
17
97°
68°
18
99°
72°
19
92°
67°
20
88°
68°
21
90°
68°
22
82°
68°
23
80°
65°
24
78°
61°
25
76°
57°
26
78°
59°
27
78°
58°
28
79°
59°
29
78°
57°
30
79°
60°
1
75°
57°
2
77°
54°
3
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kirbytown
Kirbytown's September 2026 forecast shows daily high temperatures ranging from 75° to 92°, with overnight lows between 54° and 68°. The average high for September is 80° 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 Kirbytown. See also: October | November | December.