S
M
T
W
T
F
S
30
84°
76°
31
86°
76°
1
89°
76°
2
91°
77°
3
88°
79°
4
91°
79°
5
94°
78°
6
94°
75°
7
85°
75°
8
82°
72°
9
86°
75°
10
90°
77°
11
90°
73°
12
88°
75°
13
95°
76°
14
92°
77°
15
85°
72°
16
84°
71°
17
85°
73°
18
86°
73°
19
86°
73°
20
85°
72°
21
82°
68°
22
84°
70°
23
82°
66°
24
84°
67°
25
82°
68°
26
81°
67°
27
80°
70°
28
83°
70°
29
82°
69°
30
84°
69°
1
82°
68°
2
80°
67°
3
84°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hunting Island State Park
Hunting Island State Park's September 2026 forecast shows daily high temperatures ranging from 80° to 95°, with overnight lows between 66° and 77°. The average high for September is 84° with an average low of 70°. 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 Hunting Island State Park. See also: October | November | December.
