Big Sur weather in September 2024

Expect 23°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Big Sur in September. Check more long-term weather averages for Big Sur in September before you book your next holiday to California in 2024/2025.

  • 23°C maximum daytime temperature in September in Big Sur23
    23°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Big Sur2
    2 days with some rainfall
  • 9°C minimum night-time temperature in September in Big Sur9
    9°C min night temperature
  • 12 hours of daylight per day in September in Big Sur12
    12 hours of daylight per day
  • No heat & humidity in September in Big Sur0
    No heat & humidity
  • 12 mm monthly rainfall in September in Big Sur12
    12 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Big Sur7
    7 (High) UV index
  • 15°C sea temperature in September in Big Sur15
    15°C sea temperature

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