S
M
T
W
T
F
S
30
91°
70°
31
91°
69°
1
86°
69°
2
85°
68°
3
86°
69°
4
85°
69°
5
86°
68°
6
85°
68°
7
87°
67°
8
84°
63°
9
85°
62°
10
85°
65°
11
84°
62°
12
89°
64°
13
88°
67°
14
89°
60°
15
86°
59°
16
82°
60°
17
83°
59°
18
85°
60°
19
87°
60°
20
87°
59°
21
86°
61°
22
87°
64°
23
86°
59°
24
85°
59°
25
86°
57°
26
86°
60°
27
85°
61°
28
85°
62°
29
84°
61°
30
86°
61°
1
85°
60°
2
85°
61°
3
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mistletoe State Park
Mistletoe State Park's September 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 57° and 70°. The average high for September is 86° with an average low of 63°. 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 Mistletoe State Park. See also: October | November | December.
