Cool
Average highs are around 10°C, so pack for cooler days.
September verdict
Arctic Circle in September
Weather score23Poor
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 3.1h per day, so this is not one of the brighter months. Rainfall averages 59mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
10°C
Rain
59mm
Sun
3.1h
Sea
0°C
Weather score
23
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 59mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.1h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 0°C, so the water can feel cool.
Map
Weather map
Compare Arctic Circle 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
September59mm average rain
September is wetter than Arctic Circle's yearly average, so flexible plans matter more.
Driest monthsJanuary to June and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September3.1 hours average sun
September sits close to Arctic Circle'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
September0°C average sea
September is close to Arctic Circle's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
September23 weather score
September scores below Arctic Circle's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to July
These months have the strongest weather score in the monthly averages.