Yosemite weather in September 2020

  • 18°C maximum daytime temperature in September in Yosemite18
    18°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in September in Yosemite5
    5 days with some rainfall
  • 2°C minimum night-time temperature in September in Yosemite2
    2°C min night temperature
  • 12 hours of daylight per day in September in Yosemite12
    12 hours of daylight per day
  • No heat & humidity in September in Yosemite0
    No heat & humidity
  • 22 mm monthly rainfall in September in Yosemite22
    22 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Yosemite8
    8 (Very High) UV index
  • Top deals & discounts
  • Yosemite weather overview
  • Yosemite climate averages by month
  • More destinations
  • Best time to go to Yosemite
  • Yosemite 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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.

  • Combine flights + hotel & save up to 15% on holidays
  • Book flights + hotel together to get saving
  • Popular destinations include Europe, USA & Australia

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.

Yosemite sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Yosemite in September 2020. Select a month to view Yosemite sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:29 19:27
Tuesday, 15th September 2020 06:41 19:05
Wednesday, 30th September 2020 06:54 18:42
  • Explore the latest offers on IHG hotels in California
  • Book direcly with IHG online & get the lowest rate
  • Join the IHG Rewards Club for discounts, benefits & more

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

Back to top

Discover more about California

Where's hot in California in September?

Below are average maximum temperatures at popular destinations in California in September. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.