S
M
T
W
T
F
S
30
83°
60°
31
84°
61°
1
83°
61°
2
83°
60°
3
82°
53°
4
76°
51°
5
75°
54°
6
78°
60°
7
82°
60°
8
82°
59°
9
77°
53°
10
76°
59°
11
81°
58°
12
80°
59°
13
80°
59°
14
79°
58°
15
80°
58°
16
80°
57°
17
74°
55°
18
79°
51°
19
71°
48°
20
71°
47°
21
68°
46°
22
69°
53°
23
71°
50°
24
71°
46°
25
68°
46°
26
69°
53°
27
74°
52°
28
75°
53°
29
74°
52°
30
74°
52°
1
68°
51°
2
73°
50°
3
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Phillipsburg
Phillipsburg's September 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 46° and 61°. The average high for September is 76° with an average low of 54°. 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 Phillipsburg. See also: October | November | December.
