Cool
Average highs are around 14°C, so pack for cooler days.
September verdict
St Kilda, United Kingdom in September
Weather score16Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 3.5h per day, so this is not one of the brighter months. Rainfall averages 139mm, so some wet days are possible.
September weather
Monthly averages
Temp
14°C
Rain
139mm
Sun
3.5h
Sea
13°C
Weather score
16
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 139mm, 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 13°C, so the water can feel cool.
Map
Weather map
Compare St Kilda, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September14°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 September
This stretch sets the upper range for average daytime heat.
Rain
September139mm average rain
September is wetter than St Kilda's yearly average, so flexible plans matter more.
Driest monthsFebruary and April to July
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 St Kilda's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September13°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 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
September16 weather score
September scores below St Kilda's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.