S
M
T
W
T
F
S
30
90°
68°
31
96°
73°
1
95°
73°
2
96°
75°
3
98°
73°
4
101°
75°
5
91°
71°
6
88°
67°
7
85°
66°
8
87°
62°
9
89°
66°
10
98°
72°
11
91°
74°
12
88°
72°
13
87°
73°
14
87°
66°
15
82°
58°
16
83°
60°
17
89°
65°
18
92°
70°
19
85°
72°
20
90°
70°
21
86°
71°
22
78°
66°
23
66°
64°
24
67°
60°
25
70°
56°
26
70°
58°
27
74°
58°
28
76°
59°
29
76°
64°
30
82°
63°
1
89°
62°
2
91°
68°
3
70°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Berkeley Hills
Berkeley Hills's September 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 62° and 68°. The average high for September is 81° with an average low of 65°. 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 Berkeley Hills. See also: October | November | December.
