S
M
T
W
T
F
S
30
78°
60°
31
78°
66°
1
78°
63°
2
69°
61°
3
83°
67°
4
82°
68°
5
78°
62°
6
73°
59°
7
77°
53°
8
78°
58°
9
81°
61°
10
84°
69°
11
80°
57°
12
78°
68°
13
81°
65°
14
77°
53°
15
73°
62°
16
80°
63°
17
82°
59°
18
79°
59°
19
73°
53°
20
72°
53°
21
70°
54°
22
71°
53°
23
72°
54°
24
75°
53°
25
67°
49°
26
68°
50°
27
72°
56°
28
76°
53°
29
69°
49°
30
70°
55°
1
71°
53°
2
67°
49°
3
70°
55°
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 67° to 82°, with overnight lows between 49° and 68°. The average high for September is 74° with an average low of 55°. 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.
