Mammoth Lakes weather in September 2021

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19
19°C max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
20
20 mm of monthly rainfall
8
8 (Very High) UV index

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The September weather guide for Mammoth Lakes, California 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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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.

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

Mammoth Lakes sunrise & sunset times for September 2021

Browse the sunrise and sunset times for Mammoth Lakes in September 2021. Select a month to view Mammoth Lakes sunrise & sunset times for the next 12 months.

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