Eureka Weather in September

What's the weather like in Eureka (California) in September 2024?

The climate in Eureka during September can be summarized as mild and dry.

September is in the fall / autumn in Eureka and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (50°F) is normal.

Eureka weather averages (imperial / metric)
Daytime temperature	18.9°C 65.9°F
Nightly temperature	10°C 49.9°F
Average temperature	14.4°C 57.9°F
Daily sunshine	8.3 hrs
Avg rainfall	26 mm 1 ins
Rainy days	4 days
Sea temperature	13.9°C 57°F
Humidity	67%
Windspeed	12.2kph 8 mph

On average September is the 4th driest month of the year in Eureka with around 26mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

September temperatures in Eureka

September rainfall

September hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Eureka in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Eureka weather stats

Eureka weather statistics
Hottest month:	August	19°C 66.2°F
Driest month:	July	4mm 0.2ins
Sunniest month:	April	9.2hrs
Coldest month:	January	11.8°C 53.2°F
Wettest month:	November	206mm 8.1ins

Map showing location of Eureka (40.80207, -124.16367)