Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
September verdict
Coral Sea Islands, Australia in September
Weather score88Excellent
Excellent for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 13mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
26°C
Rain
13mm
Sun
0h
Sea
24°C
Weather score
88
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 13mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Coral Sea Islands, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September26°C average high
September is on the cooler side of Coral Sea Islands' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
September13mm average rain
September is one of Coral Sea Islands' driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September0 hours average sun
September is close to Coral Sea Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
September24°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
September88 weather score
September scores above Coral Sea Islands' yearly average, so the overall weather mix is stronger than most months.
Best weather monthsSeptember to December
These months have the strongest weather score in the monthly averages.