Cool
Average highs are around 15°C, so pack for cooler days.
September verdict
Mount Gambier, Australia in September
Weather score28Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 79mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
15°C
Rain
79mm
Sun
5.4h
Sea
14°C
Weather score
28
Poor
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 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Mount Gambier, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September15°C average high
September is on the cooler side of Mount Gambier'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 wetter than Mount Gambier's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.4 hours average sun
September is below Mount Gambier's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September14°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 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
September28 weather score
September scores below Mount Gambier's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February
These months have the strongest weather score in the monthly averages.