Cool
Average highs are around 19°C, so pack for cooler days.
September verdict
Jervis Bay, Australia in September
Weather score45Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 7.3h per day, enough for a balanced month. Rainfall averages 79mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
19°C
Rain
79mm
Sun
7.3h
Sea
18°C
Weather score
45
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Jervis Bay, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September19°C average high
September is on the cooler side of Jervis Bay's 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
September79mm average rain
September is one of Jervis Bay's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJuly to October and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.3 hours average sun
September is one of Jervis Bay's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September18°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
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
September45 weather score
September sits close to Jervis Bay's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
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