Cool
Average highs are around 10°C, so pack for cooler days.
September verdict
Höfn, Iceland in September
Weather score17Poor
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 3.5h per day, so this is not one of the brighter months. Rainfall averages 120mm, so some wet days are possible.
September weather
Monthly averages
Temp
10°C
Rain
120mm
Sun
3.5h
Sea
10°C
Weather score
17
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 120mm, so some wet days are possible.
Limited sun
Sunshine averages 3.5h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Weather map
Compare Höfn, Iceland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September10°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
September120mm average rain
September sits near Höfn's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to August and November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September3.5 hours average sun
September sits close to Höfn's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September10°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 10°C in this stretch, so swimming comfort is at its strongest.
Weather score
September17 weather score
September sits close to Höfn's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.