California weather in September 2019

  • 28°C maximum daytime temperature in September in California (Los Angeles)28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in California (Los Angeles)2
    2 days with some rainfall
  • 17°C minimum night-time temperature in September in California (Los Angeles)17
    17°C min night temperature
  • 12 hours of daylight per day in September in California (Los Angeles)12
    12 hours of daylight per day
  • Moderate heat & humidity in September in California (Los Angeles)M
    Moderate heat & humidity
  • 9 mm monthly rainfall in September in California (Los Angeles)9
    9 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in California (Los Angeles)8
    8 (Very High) UV index
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The September weather guide for California, represented by Los Angeles, 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to California weather in September

The average maximum daytime temperature in California in September is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 17°C (63°F). There are usually 9 hours of bright sunshine each day, which represents 75% of the 12 hours of daylight.

Expect 9mm (0.4 inches) of rainfall across the whole of September with 2 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The weather in California in September is represented by Los Angeles.

California sunrise & sunset times for September 2019

Browse the sunrise & sunset times for California in September 2019. Select a month to view California sunrise & sunset times for the next twelve months. The California sunrise & sunset times shown below are for Los Angeles.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 06:26 19:19
Sunday, 15th September 2019 06:36 19:00
Monday, 30th September 2019 06:47 18:39
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Popular California destinations

Below are average maximum temperatures at popular destinations in California in September. Select a destination to see more weather parameters.

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