S
M
T
W
T
F
S
30
78°
61°
31
80°
64°
1
83°
64°
2
83°
62°
3
82°
59°
4
83°
64°
5
82°
62°
6
81°
59°
7
76°
61°
8
74°
62°
9
79°
55°
10
77°
54°
11
75°
62°
12
77°
57°
13
81°
61°
14
77°
60°
15
73°
61°
16
73°
54°
17
80°
53°
18
73°
56°
19
Hist. Avg.
73°
56°
20
Hist. Avg.
73°
55°
21
Hist. Avg.
72°
55°
22
Hist. Avg.
72°
54°
23
Hist. Avg.
72°
54°
24
Hist. Avg.
71°
54°
25
Hist. Avg.
71°
53°
26
Hist. Avg.
70°
53°
27
Hist. Avg.
70°
52°
28
Hist. Avg.
70°
52°
29
Hist. Avg.
69°
52°
30
Hist. Avg.
69°
51°
1
Hist. Avg.
69°
51°
2
Hist. Avg.
68°
50°
3
Hist. Avg.
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Elmsford
Elmsford's September 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 53° and 64°. The average high for September is 78° 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 Elmsford. See also: October | November | December.
