Santa Barbara weather in September 2024

Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Santa Barbara in September. Check more long-term weather averages for Santa Barbara in September before you book your next holiday to California in 2024/2025.

  • 25°C maximum daytime temperature in September in Santa Barbara25
    25°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Santa Barbara2
    2 days with some rainfall
  • 12°C minimum night-time temperature in September in Santa Barbara12
    12°C min night temperature
  • 12 hours of daylight per day in September in Santa Barbara12
    12 hours of daylight per day
  • No heat & humidity in September in Santa Barbara0
    No heat & humidity
  • 7 mm monthly rainfall in September in Santa Barbara7
    7 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Santa Barbara8
    8 (Very High) UV index
  • 18°C sea temperature in September in Santa Barbara18
    18°C sea temperature

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