S
M
T
W
T
F
S
30
76°
52°
31
75°
51°
1
75°
52°
2
76°
53°
3
74°
54°
4
73°
53°
5
76°
53°
6
75°
52°
7
74°
50°
8
73°
49°
9
72°
50°
10
73°
54°
11
72°
49°
12
72°
49°
13
74°
48°
14
74°
55°
15
75°
55°
16
74°
52°
17
71°
47°
18
70°
46°
19
70°
47°
20
74°
53°
21
70°
47°
22
69°
49°
23
72°
52°
24
73°
53°
25
74°
51°
26
73°
43°
27
71°
44°
28
65°
43°
29
64°
42°
30
64°
43°
1
Hist. Avg.
64°
43°
2
Hist. Avg.
64°
42°
3
Hist. Avg.
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forestburgh
Forestburgh's September 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 42° and 55°. The average high for September is 72° with an average low of 50°. 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 Forestburgh. See also: October | November | December.