S
M
T
W
T
F
S
30
72°
46°
31
80°
55°
1
81°
54°
2
80°
55°
3
80°
55°
4
79°
54°
5
79°
54°
6
78°
53°
7
78°
52°
8
77°
53°
9
79°
53°
10
78°
52°
11
73°
51°
12
73°
49°
13
78°
52°
14
78°
53°
15
71°
47°
16
73°
48°
17
76°
49°
18
76°
50°
19
72°
51°
20
67°
47°
21
65°
42°
22
66°
42°
23
68°
48°
24
65°
42°
25
65°
46°
26
64°
42°
27
64°
44°
28
64°
43°
29
70°
42°
30
71°
41°
1
72°
45°
2
71°
43°
3
63°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wallace Falls State Park
Wallace Falls State Park's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 38° and 55°. The average high for September is 73° with an average low of 48°. 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 Wallace Falls State Park. See also: October | November | December.
