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Yosemite weather in September 2021
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- 1818°C max day temperature
- 55 days with some rainfall
- 22°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 2222 mm of monthly rainfall
- 88 (Very High) UV index
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The September weather guide for Yosemite, 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.
How hot is it in Yosemite in September?
Daytime temperatures usually reach 18°C in Yosemite in September, falling to 2°C at night.
How sunny is it in Yosemite in September?
There are normally 10 hours of bright sunshine each day in Yosemite in September - that's 80% of daylight hours.
Does it rain in Yosemite in September?
There are usually 5 days with some rain in Yosemite in September and the average monthly rainfall is 22mm.
Metric (°C / mm) | Imperial (°F / inches)
Yosemite sunrise & sunset times for September 2021
Browse the sunrise and sunset times for Yosemite in September 2021. Select a month to view Yosemite sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||06:28||19:27|
|Wednesday, 15th September 2021||06:40||19:06|
|Thursday, 30th September 2021||06:53||18:42|
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