S
M
T
W
T
F
S
30
87°
62°
31
89°
61°
1
81°
61°
2
81°
65°
3
82°
65°
4
85°
64°
5
86°
60°
6
84°
64°
7
86°
60°
8
84°
59°
9
83°
62°
10
80°
64°
11
85°
59°
12
80°
57°
13
79°
57°
14
80°
58°
15
81°
59°
16
84°
60°
17
83°
57°
18
78°
54°
19
78°
56°
20
79°
59°
21
77°
54°
22
78°
56°
23
82°
57°
24
81°
58°
25
82°
59°
26
81°
53°
27
81°
52°
28
75°
51°
29
76°
50°
30
76°
52°
1
75°
51°
2
Hist. Avg.
78°
53°
3
Hist. Avg.
77°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in White Plains
White Plains's September 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 50° and 65°. The average high for September is 81° with an average low of 58°. 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.
