S
M
T
W
T
F
S
30
84°
60°
31
83°
60°
1
79°
61°
2
80°
59°
3
81°
61°
4
83°
60°
5
80°
61°
6
79°
61°
7
75°
61°
8
79°
61°
9
80°
60°
10
94°
64°
11
95°
64°
12
96°
64°
13
97°
64°
14
96°
63°
15
96°
62°
16
95°
63°
17
94°
62°
18
93°
63°
19
94°
64°
20
92°
64°
21
92°
63°
22
91°
64°
23
88°
64°
24
89°
64°
25
89°
64°
26
90°
65°
27
91°
65°
28
91°
64°
29
92°
63°
30
91°
65°
1
89°
64°
2
88°
65°
3
88°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Santa Cruz
Santa Cruz's September 2026 forecast shows daily high temperatures ranging from 88° to 97°, with overnight lows between 62° and 65°. The average high for September is 92° 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 Santa Cruz. See also: October | November | December.
