World Resorts USA Santa Cruz Weather

Santa Cruz weather in September

Weather in Santa Cruz: September

Average day temperature: 73.9°F
Average night temperature: 58.2°F
Sea water temperature: 60.4°F
Number of sunny days: 20 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 91°F. At the same time the lowest night temperature was 58°F. Daily and nightly averages during September were 72.1°F and 60.7°F.

Sea water temperature in Santa Cruz in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 61.3°F. The highest and lowest sea temperatures during the month were 62.8°F and 59.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Santa Cruz in September is 0.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 3.5 mph It makes September lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 9.1.

Best time for vacation in Santa Cruz

Sunniest months:
August 24 days
October 22 days
May 20 days
Warmest months:
August 74.0 °F
September 73.9 °F
October 71.5 °F
Warmest sea temp:
September 60.4 °F
August 59.6 °F
October 59.1 °F
Coldest months:
January 57.7 °F
December 57.8 °F
March 58.1 °F
Rainiest months:
January 3 days
December 3 days
March 1 day
Windiest months:
February 4.9 mph
March 4.7 mph
January 4.4 mph

Santa Cruz on a weather map

Santa Cruz
+50°F
SW 6 mph
Feels like: +48°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Santa Cruz
Local time: 22:56
December 05, friday
0000
50°F
SW
6 mph
0300
48°F
SW
5 mph
0600
46°F
SW
5 mph
0900
48°F
SW
5 mph
1200
59°F
S
0 mph
1500
63°F
NE
3 mph
1800
59°F
SE
4 mph
2100
54°F
SW
3 mph
Units of measurement: °C / °F