S
M
T
W
T
F
S
30
85°
62°
31
86°
61°
1
90°
63°
2
88°
62°
3
84°
66°
4
89°
65°
5
89°
66°
6
88°
65°
7
87°
59°
8
83°
64°
9
87°
64°
10
86°
63°
11
83°
65°
12
87°
64°
13
87°
57°
14
81°
56°
15
80°
56°
16
80°
57°
17
81°
60°
18
85°
62°
19
84°
61°
20
85°
62°
21
79°
60°
22
84°
60°
23
83°
59°
24
84°
53°
25
77°
52°
26
78°
57°
27
76°
51°
28
Hist. Avg.
79°
53°
29
Hist. Avg.
78°
53°
30
Hist. Avg.
78°
52°
1
Hist. Avg.
78°
52°
2
Hist. Avg.
77°
52°
3
Hist. Avg.
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in White Plains
White Plains's September 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 51° and 66°. The average high for September is 84° 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 White Plains. See also: October | November | December.
