Measurements:
°C
°F
Santa Cruz
56°F
NW 1 mph
Feels like: 56°F
Precip: 14%
World Resorts USA Santa Cruz Weather

7 Day Weather Forecast

09.15
tue
DAY
70°F
N 6 mph
precip
10%
NIGHT
58°F
NE 2 mph
precip
16%
09.16
wed
DAY
68°F
N 7 mph
precip
15%
NIGHT
56°F
SW 2 mph
precip
12%
09.17
thu
DAY
70°F
NE 6 mph
precip
11%
NIGHT
58°F
SW 4 mph
precip
9%
09.18
fri
DAY
76°F
NE 6 mph
precip
8%
NIGHT
60°F
W 2 mph
precip
9%
09.19
sat
DAY
76°F
NE 6 mph
precip
3%
NIGHT
60°F
NW 3 mph
precip
12%
09.20
sun
DAY
74°F
NE 5 mph
precip
9%
NIGHT
60°F
NW 3 mph
precip
25%
09.21
mon
DAY
76°F
NE 4 mph
precip
12%
NIGHT
64°F
W 1 mph
precip
20%

Santa Cruz Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Santa Cruz was 15.9°F. The maximum and minimum values were 15.1°F and 16.9°F respectively.

Santa Cruz on the Weather Map

Best Time to Visit Santa Cruz
The most sunny months:
October 22 days
August 21 days
September 20 days
The most warm months:
September 76.6 °F
August 76.2 °F
July 74.3 °F
Warmest sea temperature:
September 61.5 °F
August 60.9 °F
October 60.1 °F
The most cold months:
January 59.4 °F
December 59.4 °F
February 60.5 °F
The most rainy months:
January 3 days
December 3 days
March 1 day
The most windy months:
February 5 mph
December 4 mph
January 4 mph