Cool
Average highs are around 5°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 5°C, so pack for cooler days. Sunshine averages 2h per day, so this is not one of the brighter months. Rainfall averages 72mm, which is relatively low for holiday planning.
Monthly averages
Temp
5°C
Rain
72mm
Sun
2h
Sea
4°C
Weather score
15
Poor
Cool
Average highs are around 5°C, so pack for cooler days.
Drier
Rainfall averages 72mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 2h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 4°C, so the water can feel cool.
Map
Compare Macquarie Island, Antarctica with nearby places by weather score, rain, sun, temperature, and swim conditions.
September5°C average high
September has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
September72mm average rain
September is close to Macquarie Island's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
September2 hours average sun
September sits close to Macquarie Island's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and October to December
This stretch has the strongest sunshine in the monthly averages.
September4°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April and December
Sea temperatures are usually near 7°C in this stretch, so swimming comfort is at its strongest.
September15 weather score
September is close to Macquarie Island's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.