S
M
T
W
T
F
S
30
78°
66°
31
78°
71°
1
80°
68°
2
73°
66°
3
86°
69°
4
86°
76°
5
81°
69°
6
74°
63°
7
80°
60°
8
82°
65°
9
80°
66°
10
88°
72°
11
79°
67°
12
77°
62°
13
80°
71°
14
77°
62°
15
70°
56°
16
76°
60°
17
80°
69°
18
83°
71°
19
70°
64°
20
70°
60°
21
69°
58°
22
66°
54°
23
66°
56°
24
65°
55°
25
68°
56°
26
70°
55°
27
71°
56°
28
70°
55°
29
71°
56°
30
70°
57°
1
73°
55°
2
72°
54°
3
69°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carle Place
Carle Place's September 2026 forecast shows daily high temperatures ranging from 65° to 73°, with overnight lows between 54° and 60°. The average high for September is 69° with an average low of 56°. 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 Carle Place. See also: October | November | December.
