Santa Cruz weather in September 2025

Expect 75°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Santa Cruz in September. Check more long-term weather averages for Santa Cruz in September before you book your next holiday to California in 2025/2026.

  • 75°F maximum daytime temperature in September in Santa Cruz75
    75°F max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Santa Cruz2
    2 days with some rainfall
  • 50°F minimum night-time temperature in September in Santa Cruz50
    50°F min night temperature
  • 12 hours of daylight per day in September in Santa Cruz12
    12 hours of daylight per day
  • No heat & humidity in September in Santa Cruz0
    No heat & humidity
  • 0.4 inches monthly rainfall in September in Santa Cruz0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Santa Cruz7
    7 (High) UV index
  • 57°F sea temperature in September in Santa Cruz57
    57°F sea temperature

More about Santa Cruz

Santa Cruz by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for California

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

The September weather guide for California (Santa Cruz) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about California

How hot is it in Santa Cruz in September?

Daytime temperatures usually reach 75°F in Santa Cruz in September, falling to 50°F at night.

How sunny is it in Santa Cruz in September?

There are normally 9 hours of bright sunshine each day in Santa Cruz in September - that's 75% of daylight hours.

How warm is the sea around Santa Cruz in September?

The average sea temperature around Santa Cruz in September is 57°F.

Does it ever rain in Santa Cruz in September?

There are usually 2 days with some rain in Santa Cruz in September and the average monthly rainfall is 0.4 inches.

Santa Cruz September sunrise & sunset times

Browse the sunrise and sunset times for Santa Cruz in September 2025. Select a month to view Santa Cruz sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:39 18:36
Monday, 15th September 2025 05:51 18:15
Tuesday, 30th September 2025 06:03 17:52

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^