S
M
T
W
T
F
S
30
90°
50°
31
88°
50°
1
87°
51°
2
88°
51°
3
89°
54°
4
90°
54°
5
92°
53°
6
92°
53°
7
93°
52°
8
93°
54°
9
94°
52°
10
85°
50°
11
84°
53°
12
88°
53°
13
90°
54°
14
92°
53°
15
91°
51°
16
89°
51°
17
84°
49°
18
88°
52°
19
89°
48°
20
Hist. Avg.
91°
57°
21
Hist. Avg.
91°
57°
22
Hist. Avg.
91°
57°
23
Hist. Avg.
90°
57°
24
Hist. Avg.
90°
56°
25
Hist. Avg.
89°
56°
26
Hist. Avg.
89°
56°
27
Hist. Avg.
89°
56°
28
Hist. Avg.
88°
56°
29
Hist. Avg.
88°
55°
30
Hist. Avg.
87°
55°
1
Hist. Avg.
87°
55°
2
Hist. Avg.
86°
54°
3
Hist. Avg.
86°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Oak Run
Oak Run's September 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 48° and 54°. The average high for September is 89° with an average low of 52°. 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 Oak Run. See also: October | November | December.