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Mammoth Lakes weather in September 2020
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- 1919°C max day temperature
- 55 days with some rainfall
- 22°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 2020 mm of monthly rainfall
- 88 (Very High) UV index
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.
Recommended for 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 sunrise & sunset times for September 2020
Browse the sunrise & sunset times for Mammoth Lakes in September 2020. Select a month to view Mammoth Lakes sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st September 2020||06:27||19:24|
|Tuesday, 15th September 2020||06:38||19:03|
|Wednesday, 30th September 2020||06:51||18:40|
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Metric (°C / mm) | Imperial (°F / inches)
Discover more about California
Where is hot in California in September for 2020/2021?
Below are average maximum temperatures at popular destinations in California in September. Select a destination to see more weather parameters.
- Death Valley
- Palm Springs
- Los Angeles
- Beverly Hills
- Santa Monica
- San Diego
- Santa Barbara
- Big Sur
- San Francisco
- Lake Tahoe
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