S
M
T
W
T
F
S
30
93°
64°
31
98°
69°
1
98°
69°
2
98°
68°
3
104°
71°
4
100°
71°
5
101°
71°
6
97°
70°
7
89°
63°
8
94°
69°
9
93°
71°
10
88°
69°
11
84°
66°
12
86°
68°
13
87°
70°
14
91°
72°
15
87°
68°
16
88°
70°
17
89°
67°
18
80°
59°
19
78°
57°
20
78°
58°
21
81°
57°
22
80°
57°
23
84°
61°
24
84°
63°
25
84°
61°
26
83°
60°
27
83°
60°
28
82°
59°
29
83°
61°
30
79°
60°
1
74°
59°
2
78°
57°
3
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in White House
White House's September 2026 forecast shows daily high temperatures ranging from 74° to 93°, with overnight lows between 57° and 72°. The average high for September is 83° with an average low of 63°. 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 White House. See also: October | November | December.