S
M
T
W
T
F
S
30
83°
67°
31
91°
72°
1
94°
75°
2
94°
76°
3
95°
75°
4
94°
74°
5
89°
68°
6
78°
59°
7
81°
57°
8
86°
71°
9
88°
67°
10
76°
56°
11
80°
57°
12
81°
62°
13
80°
63°
14
80°
64°
15
78°
57°
16
73°
52°
17
71°
50°
18
71°
47°
19
70°
48°
20
72°
49°
21
70°
51°
22
71°
56°
23
74°
55°
24
79°
56°
25
80°
57°
26
80°
56°
27
79°
56°
28
80°
55°
29
79°
56°
30
79°
56°
1
78°
53°
2
77°
46°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Redkey
Redkey's September 2026 forecast shows daily high temperatures ranging from 64° to 88°, with overnight lows between 42° and 71°. The average high for September is 77° with an average low of 55°. 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 Redkey. See also: October | November | December.