Newport Beach weather in September 2024

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

  • 25°C maximum daytime temperature in September in Newport Beach25
    25°C max day temperature
  • 9 hours of sunshine per day
  • 1 day with some rainfall in September in Newport Beach1
    1 day with some rainfall
  • 16°C minimum night-time temperature in September in Newport Beach16
    16°C min night temperature
  • 12 hours of daylight per day in September in Newport Beach12
    12 hours of daylight per day
  • Low heat & humidity in September in Newport BeachL
    Low heat & humidity
  • 6 mm monthly rainfall in September in Newport Beach6
    6 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Newport Beach8
    8 (Very High) UV index
  • 20°C sea temperature in September in Newport Beach20
    20°C sea temperature

More about Newport Beach