S
M
T
W
T
F
S
30
83°
53°
31
84°
53°
1
84°
52°
2
83°
53°
3
83°
55°
4
82°
52°
5
82°
49°
6
83°
43°
7
76°
42°
8
74°
44°
9
75°
46°
10
78°
48°
11
81°
47°
12
81°
48°
13
80°
50°
14
81°
50°
15
81°
44°
16
80°
45°
17
79°
47°
18
78°
49°
19
79°
47°
20
79°
43°
21
77°
47°
22
72°
46°
23
69°
43°
24
71°
46°
25
71°
44°
26
74°
42°
27
71°
43°
28
70°
45°
29
70°
40°
30
68°
45°
1
68°
48°
2
75°
45°
3
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forest Falls
Forest Falls's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 40° and 55°. The average high for September is 77° with an average low of 47°. 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 Forest Falls. See also: October | November | December.
