S
M
T
W
T
F
S
30
93°
65°
31
93°
65°
1
91°
64°
2
93°
64°
3
94°
63°
4
92°
64°
5
91°
64°
6
89°
61°
7
93°
64°
8
94°
64°
9
94°
65°
10
93°
64°
11
94°
64°
12
93°
63°
13
90°
62°
14
85°
59°
15
86°
59°
16
88°
63°
17
92°
64°
18
86°
62°
19
84°
61°
20
86°
61°
21
88°
62°
22
86°
56°
23
82°
57°
24
84°
59°
25
84°
54°
26
82°
52°
27
82°
53°
28
83°
53°
29
82°
54°
30
84°
55°
1
85°
55°
2
86°
52°
3
84°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Keyes
Keyes's September 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 49° and 65°. The average high for September is 88° with an average low of 60°. 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 Keyes. See also: October | November | December.
