S
M
T
W
T
F
S
30
84°
63°
31
84°
63°
1
83°
60°
2
77°
56°
3
76°
57°
4
76°
55°
5
77°
55°
6
79°
60°
7
82°
61°
8
82°
60°
9
79°
60°
10
82°
61°
11
82°
60°
12
83°
60°
13
83°
61°
14
82°
51°
15
75°
51°
16
73°
52°
17
75°
50°
18
73°
49°
19
72°
50°
20
72°
50°
21
78°
52°
22
77°
55°
23
78°
47°
24
79°
47°
25
72°
46°
26
71°
48°
27
74°
53°
28
74°
53°
29
76°
44°
30
72°
46°
1
69°
51°
2
70°
50°
3
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Holiday City-Berkeley
Holiday City-Berkeley's September 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 44° and 63°. The average high for September is 77° 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 Holiday City-Berkeley. See also: October | November | December.