S
M
T
W
T
F
S
30
93°
61°
31
97°
64°
1
97°
68°
2
95°
70°
3
95°
70°
4
99°
72°
5
100°
72°
6
100°
72°
7
95°
70°
8
100°
64°
9
99°
70°
10
95°
70°
11
81°
68°
12
91°
67°
13
96°
68°
14
96°
70°
15
95°
72°
16
94°
70°
17
89°
67°
18
87°
60°
19
80°
57°
20
79°
55°
21
78°
54°
22
80°
57°
23
80°
58°
24
79°
55°
25
85°
62°
26
84°
61°
27
84°
61°
28
83°
60°
29
84°
60°
30
81°
59°
1
82°
58°
2
81°
59°
3
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rumley
Rumley's September 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 54° and 72°. The average high for September is 85° with an average low of 62°. 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 Rumley. See also: October | November | December.