S
M
T
W
T
F
S
30
90°
71°
31
91°
70°
1
91°
69°
2
90°
69°
3
90°
66°
4
89°
69°
5
89°
69°
6
86°
68°
7
86°
67°
8
87°
65°
9
86°
67°
10
90°
65°
11
88°
66°
12
89°
65°
13
87°
64°
14
85°
63°
15
86°
64°
16
85°
63°
17
87°
64°
18
88°
64°
19
87°
66°
20
85°
66°
21
Hist. Avg.
N/A
22
Hist. Avg.
N/A
23
Hist. Avg.
N/A
24
Hist. Avg.
N/A
25
Hist. Avg.
N/A
26
Hist. Avg.
N/A
27
Hist. Avg.
N/A
28
Hist. Avg.
N/A
29
Hist. Avg.
N/A
30
Hist. Avg.
N/A
1
Hist. Avg.
N/A
2
Hist. Avg.
N/A
3
Hist. Avg.
N/A
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Red Oak
Red Oak's September 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 63° and 71°. The average high for September is 88° with an average low of 66°. 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 Red Oak. See also: October | November | December.
