S
M
T
W
T
F
S
30
88°
65°
31
89°
67°
1
89°
67°
2
88°
63°
3
88°
62°
4
86°
62°
5
87°
63°
6
88°
66°
7
91°
68°
8
94°
68°
9
94°
69°
10
95°
66°
11
94°
67°
12
89°
68°
13
92°
68°
14
94°
62°
15
88°
61°
16
87°
60°
17
86°
61°
18
87°
62°
19
87°
63°
20
86°
63°
21
87°
64°
22
86°
64°
23
88°
63°
24
87°
65°
25
86°
64°
26
84°
64°
27
86°
63°
28
86°
64°
29
85°
64°
30
83°
63°
1
81°
61°
2
82°
61°
3
87°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Garner State Park
Garner State Park's September 2026 forecast shows daily high temperatures ranging from 81° to 95°, with overnight lows between 57° and 69°. The average high for September is 88° with an average low of 64°. 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 Garner State Park. See also: October | November | December.