S
M
T
W
T
F
S
30
72°
56°
31
77°
55°
1
78°
53°
2
77°
46°
3
68°
52°
4
72°
55°
5
67°
49°
6
75°
43°
7
67°
43°
8
67°
44°
9
66°
51°
10
68°
53°
11
72°
52°
12
71°
47°
13
71°
43°
14
64°
42°
15
62°
40°
16
62°
40°
17
63°
45°
18
67°
40°
19
63°
37°
20
60°
41°
21
61°
49°
22
66°
43°
23
69°
47°
24
68°
49°
25
68°
49°
26
67°
46°
27
68°
39°
28
66°
37°
29
56°
41°
30
54°
43°
1
61°
42°
2
60°
46°
3
52°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pennington
Pennington's September 2026 forecast shows daily high temperatures ranging from 52° to 78°, with overnight lows between 32° and 56°. The average high for September is 66° with an average low of 45°. 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 Pennington. See also: October | November | December.
