Cool
Average highs are around 5°C, so pack for cooler days.
September verdict
Ilulissat, Greenland in September
Weather score28Poor
Poor for holiday weather
Average highs are around 5°C, so pack for cooler days. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 35mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
5°C
Rain
35mm
Sun
4h
Sea
5°C
Weather score
28
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 35mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 5°C, so the water can feel cool.
Map
Weather map
Compare Ilulissat, Greenland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September5°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 August
This stretch sets the upper range for average daytime heat.
Rain
September35mm average rain
September is close to Ilulissat's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
September4 hours average sun
September sits close to Ilulissat's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September5°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to August
Sea temperatures are usually near 6°C in this stretch, so swimming comfort is at its strongest.
Weather score
September28 weather score
September scores below Ilulissat'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.