S
M
T
W
T
F
S
30
76°
51°
31
74°
51°
1
74°
57°
2
75°
59°
3
81°
58°
4
83°
59°
5
83°
55°
6
78°
49°
7
74°
50°
8
76°
50°
9
75°
48°
10
73°
47°
11
73°
48°
12
75°
48°
13
75°
53°
14
79°
54°
15
73°
48°
16
72°
49°
17
71°
50°
18
70°
52°
19
74°
44°
20
71°
46°
21
72°
44°
22
75°
43°
23
70°
43°
24
69°
44°
25
70°
49°
26
72°
44°
27
70°
49°
28
73°
48°
29
73°
40°
30
67°
44°
1
68°
49°
2
74°
47°
3
72°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Penn Forest Township
Penn Forest Township's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 40° and 59°. The average high for September is 74° with an average low of 49°. 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 Penn Forest Township. See also: October | November | December.
