S
M
T
W
T
F
S
30
86°
62°
31
85°
64°
1
85°
63°
2
84°
64°
3
84°
64°
4
83°
63°
5
83°
63°
6
82°
62°
7
83°
62°
8
83°
61°
9
82°
62°
10
82°
62°
11
81°
61°
12
83°
62°
13
83°
62°
14
82°
61°
15
82°
62°
16
81°
61°
17
81°
61°
18
79°
58°
19
78°
51°
20
74°
58°
21
74°
59°
22
75°
50°
23
73°
50°
24
72°
51°
25
73°
55°
26
76°
56°
27
72°
51°
28
71°
50°
29
70°
49°
30
70°
51°
1
71°
56°
2
73°
48°
3
73°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kirkwood
Kirkwood's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 45° and 64°. The average high for September is 79° with an average low of 58°. 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 Kirkwood. See also: October | November | December.
