Crescent City weather in September 2026

Q: How hot is it in Crescent City in September?

Daytime temperatures usually reach 28°C in Crescent City in September with moderate heat and humidity, falling to 17°C at night.

Q: How sunny is it in Crescent City in September?

There are normally 9 hours of bright sunshine each day in Crescent City in September - that's 75% of daylight hours.

Q: Does it ever rain in Crescent City in September?

There are usually 2 days with some rain in Crescent City in September and the average monthly rainfall is 9mm.

Expect daytime maximum temperatures of 70°F in Crescent City, California in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

70
70°F max day temperature
8
8 hours of sunshine per day
5
5 days with some rainfall
50
50°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
1.9
1.9 inches of monthly rainfall
6
6 (High) UV index
54
54°F sea temperature

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The September weather guide for California (Crescent City) 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.

Metric (°C) | Imperial (°F)

More about California

How hot is it in Crescent City in September?

Daytime temperatures usually reach 82°F in Crescent City in September with moderate heat and humidity, falling to 63°F at night.

How sunny is it in Crescent City in September?

There are normally 9 hours of bright sunshine each day in Crescent City in September - that's 75% of daylight hours.

Does it ever rain in Crescent City in September?

There are usually 2 days with some rain in Crescent City in September and the average monthly rainfall is 0.4 inches.

Crescent City September sunrise & sunset times

Browse the sunrise and sunset times for Crescent City in September 2026. Select a month to view Crescent City sunrise and sunset times for the next 12 months.

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