Cool
Average highs are around 13°C, so pack for cooler days.
September verdict
Prince of Wales Island, United States in September
Weather score5Poor
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 3.6h per day, so this is not one of the brighter months. Rainfall averages 286mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
13°C
Rain
286mm
Sun
3.6h
Sea
12°C
Weather score
5
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 286mm, so showers are a real planning factor.
Limited sun
Sunshine averages 3.6h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Prince of Wales Island, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September13°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September286mm average rain
September sits near Prince of Wales Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September3.6 hours average sun
September sits close to Prince of Wales Island'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
September12°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
Weather score
September5 weather score
September scores below Prince of Wales Island's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMay to August
These months have the strongest weather score in the monthly averages.