Crescent City weather in September 2021

Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.

  • 21°C maximum daytime temperature in September in Crescent City21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in September in Crescent City5
    5 days with some rainfall
  • 10°C minimum night-time temperature in September in Crescent City10
    10°C min night temperature
  • 12 hours of daylight per day in September in Crescent City12
    12 hours of daylight per day
  • No heat & humidity in September in Crescent City0
    No heat & humidity
  • 47 mm monthly rainfall in September in Crescent City47
    47 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Crescent City6
    6 (High) UV index
  • 12°C sea temperature in September in Crescent City12
    12°C sea temperature

Recommended for California

  • Top deals & discounts
  • Crescent City weather overview
  • Crescent City climate averages by month
  • More destinations
  • Best time to go to Crescent City
  • Crescent City 5-day weather forecast

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

The September weather guide for Crescent City, 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.

  • Save £20 when you spend at least £149
  • Book flexible flights, hotels & flight+hotel (holiday) bookings
  • Plan for travel the UK, Europe & around the world
Show discount codeShow discount code ******018

Expires at 23:59 on Wednesday 2nd Dec 2020 · View all lastminute.com offers

How hot is it in Crescent City in September?

Daytime temperatures usually reach 21°C in Crescent City in September, falling to 10°C at night.

How sunny is it in Crescent City in September?

There are normally 8 hours of bright sunshine each day in Crescent City in September - that's 67% of daylight hours.

How warm is the sea around Crescent City in September?

The average sea temperature around Crescent City in September is 12°C.

Does it rain in Crescent City in September?

There are usually 5 days with some rain in Crescent City in September and the average monthly rainfall is 47mm.

Crescent City sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Crescent City in September 2021. Select a month to view Crescent City sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:43 19:49
Wednesday, 15th September 2021 06:57 19:25
Thursday, 30th September 2021 07:13 18:59
  • Save on flights to Canada, USA & the rest of the Americas
  • Book online for low fares with Air Canada
  • Fly to Toronto, Vancouver, New York, Cancun & more

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

Back to top

Discover more about California

Where is hot in California in September for 2021/2022?

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.