Cool
Average highs are around 9°C, so pack for cooler days.
September verdict
Muonio, Finland in September
Weather score25Poor
Poor for holiday weather
Average highs are around 9°C, so pack for cooler days. Sunshine averages 3.2h per day, so this is not one of the brighter months. Rainfall averages 48mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
9°C
Rain
48mm
Sun
3.2h
Weather score
25
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 48mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.2h per day, so this is not one of the brighter months.
Map
Weather map
Compare Muonio, Finland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September9°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
September48mm average rain
September sits near Muonio's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to June and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September3.2 hours average sun
September sits close to Muonio'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.
Weather score
September25 weather score
September scores below Muonio's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMay to July
These months have the strongest weather score in the monthly averages.