Mammoth Lakes weather in September 2022

  • 19°C maximum daytime temperature in September in Mammoth Lakes19
    19°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in September in Mammoth Lakes5
    5 days with some rainfall
  • 2°C minimum night-time temperature in September in Mammoth Lakes2
    2°C min night temperature
  • 12 hours of daylight per day in September in Mammoth Lakes12
    12 hours of daylight per day
  • No heat & humidity in September in Mammoth Lakes0
    No heat & humidity
  • 20 mm monthly rainfall in September in Mammoth Lakes20
    20 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Mammoth Lakes8
    8 (Very High) UV index

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The September weather guide for California (Mammoth Lakes) 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)

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More about California

How hot is it in Mammoth Lakes in September?

Daytime temperatures usually reach 19°C in Mammoth Lakes in September, falling to 2°C at night.

How sunny is it in Mammoth Lakes in September?

There are normally 10 hours of bright sunshine each day in Mammoth Lakes in September - that's 80% of daylight hours.

Does it rain in Mammoth Lakes in September?

There are usually 5 days with some rain in Mammoth Lakes in September and the average monthly rainfall is 20mm.

Mammoth Lakes September sunrise & sunset times

Browse the sunrise and sunset times for Mammoth Lakes in September 2022. Select a month to view Mammoth Lakes sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st September 2022 06:26 19:25
Thursday, 15th September 2022 06:38 19:03
Friday, 30th September 2022 06:51 18:40

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