Cool
Average highs are around 18°C, so pack for cooler days.
September verdict
Denmark (Western Australia), Australia in September
Weather score35Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 96mm, so some wet days are possible.
September weather
Monthly averages
Temp
18°C
Rain
96mm
Sun
6.1h
Sea
17°C
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 96mm, so some wet days are possible.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Denmark (Western Australia), Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September18°C average high
September is on the cooler side of Denmark (Western Australia)'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
September96mm average rain
September sits near Denmark (Western Australia)'s yearly rainfall average, so rain is a normal planning factor rather than an outlier.
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
September6.1 hours average sun
September is below Denmark (Western Australia)'s yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September17°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to June
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
September35 weather score
September scores below Denmark (Western Australia)'s yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.