S
M
T
W
T
F
S
30
78°
56°
31
74°
65°
1
85°
68°
2
73°
68°
3
84°
67°
4
84°
68°
5
78°
60°
6
76°
56°
7
76°
53°
8
83°
60°
9
86°
68°
10
81°
62°
11
78°
51°
12
78°
62°
13
78°
65°
14
81°
60°
15
80°
64°
16
79°
56°
17
75°
57°
18
72°
52°
19
75°
50°
20
72°
51°
21
73°
53°
22
70°
57°
23
70°
57°
24
71°
56°
25
72°
55°
26
77°
54°
27
72°
51°
28
73°
55°
29
76°
56°
30
77°
56°
1
76°
55°
2
75°
55°
3
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Upper Pohatcong
Upper Pohatcong's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 50° and 68°. The average high for September is 76° with an average low of 57°. 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 Upper Pohatcong. See also: October | November | December.
