S
M
T
W
T
F
S
30
92°
71°
31
94°
70°
1
95°
69°
2
97°
71°
3
98°
72°
4
97°
72°
5
99°
70°
6
98°
73°
7
93°
71°
8
91°
72°
9
94°
68°
10
94°
67°
11
92°
69°
12
89°
71°
13
94°
68°
14
98°
68°
15
98°
71°
16
95°
72°
17
96°
68°
18
99°
70°
19
96°
70°
20
96°
70°
21
95°
69°
22
86°
69°
23
82°
66°
24
81°
63°
25
81°
60°
26
78°
59°
27
81°
58°
28
80°
61°
29
81°
61°
30
84°
62°
1
79°
56°
2
74°
62°
3
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rolling Hills
Rolling Hills's September 2026 forecast shows daily high temperatures ranging from 74° to 99°, with overnight lows between 56° and 70°. The average high for September is 84° with an average low of 64°. 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 Rolling Hills. See also: October | November | December.
