Cool
Average highs are around 11°C, so pack for cooler days.
September verdict
Aleutian Islands, United States in September
Weather score23Poor
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 7.1h per day, enough for a balanced month. Rainfall averages 122mm, so some wet days are possible.
September weather
Monthly averages
Temp
11°C
Rain
122mm
Sun
7.1h
Sea
9°C
Weather score
23
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 122mm, so some wet days are possible.
Some sun
Sunshine averages 7.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 9°C, so the water can feel cool.
Map
Weather map
Compare Aleutian Islands, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September11°C average high
September is one of Aleutian Islands' hottest months, so shade and slower afternoons matter.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
September122mm average rain
September sits near Aleutian Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary and April to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.1 hours average sun
September sits close to Aleutian Islands' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September9°C average sea
September is one of Aleutian Islands' warmest sea months, when swimming comfort is usually strongest.
Warmest seaAugust to September
Sea temperatures are usually near 9°C in this stretch, so swimming comfort is at its strongest.
Weather score
September23 weather score
September scores below Aleutian Islands' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to September
These months have the strongest weather score in the monthly averages.