Cool
Average highs are around 19°C, so pack for cooler days.
September verdict
Eureka, United States in September
Weather score49Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 7.6h per day, enough for a balanced month. Rainfall averages 26mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
19°C
Rain
26mm
Sun
7.6h
Sea
13°C
Weather score
49
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 26mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Eureka, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September19°C average high
September is one of Eureka's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September26mm average rain
September sits on the drier side of Eureka's year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.6 hours average sun
September sits close to Eureka's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September13°C average sea
September is one of Eureka's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to November
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
Weather score
September49 weather score
September scores above Eureka's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
Hotels near Eureka, United States
Marriott
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