S
M
T
W
T
F
S
30
92°
68°
31
91°
64°
1
84°
65°
2
86°
65°
3
83°
66°
4
84°
65°
5
90°
67°
6
90°
64°
7
85°
65°
8
86°
63°
9
89°
65°
10
90°
60°
11
Hist. Avg.
85°
60°
12
Hist. Avg.
84°
60°
13
Hist. Avg.
84°
59°
14
Hist. Avg.
84°
59°
15
Hist. Avg.
83°
58°
16
Hist. Avg.
83°
58°
17
Hist. Avg.
82°
58°
18
Hist. Avg.
82°
57°
19
Hist. Avg.
81°
57°
20
Hist. Avg.
81°
56°
21
Hist. Avg.
81°
56°
22
Hist. Avg.
80°
55°
23
Hist. Avg.
80°
55°
24
Hist. Avg.
79°
54°
25
Hist. Avg.
79°
54°
26
Hist. Avg.
79°
53°
27
Hist. Avg.
78°
53°
28
Hist. Avg.
78°
52°
29
Hist. Avg.
77°
52°
30
Hist. Avg.
77°
52°
1
Hist. Avg.
77°
51°
2
Hist. Avg.
76°
51°
3
Hist. Avg.
76°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kirby
Kirby's September 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 60° and 68°. The average high for September is 88° with an average low of 65°. 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 Kirby. See also: October | November | December.
