Anaheim weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Anaheim in September. Check more long-term weather averages for Anaheim in September before you book your next holiday to California in 2025/2026.

  • 29°C maximum daytime temperature in September in Anaheim29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Anaheim2
    2 days with some rainfall
  • 15°C minimum night-time temperature in September in Anaheim15
    15°C min night temperature
  • 12 hours of daylight per day in September in Anaheim12
    12 hours of daylight per day
  • Moderate heat & humidity in September in AnaheimM
    Moderate heat & humidity
  • 7 mm monthly rainfall in September in Anaheim7
    7 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Anaheim8
    8 (Very High) UV index

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The September weather guide for California (Anaheim) 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 / mm)  |  Imperial (°F / inches)

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More about California

How hot is it in Anaheim in September?

Daytime temperatures usually reach 29°C in Anaheim in September with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Anaheim in September?

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

Does it ever rain in Anaheim in September?

There are usually 2 days with some rain in Anaheim in September and the average monthly rainfall is 7mm.

Anaheim September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:26 18:17
Monday, 15th September 2025 05:35 17:58
Tuesday, 30th September 2025 05:46 17:37

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