Weather in September in Perth, Western Australia

< September >
	Normal Max/ High Temperature	20°C (68°F)
	Average Temperature	15°C (58°F)
	Min/ Low Temperature	9°C (48°F)
	Normal Precipitation	71mm (2.8in)
	Number of Wet Days (probability of rain on a day)	15 (50%)
	Average Sunlight per day	07h 07'
	Average Daylight per day	11h 57'
	Sunny (Cloudy) Daylight Hours	60% (40%)
	Sun altitude at solar noon on the 21st day.	57.3°

The average temperature in Perth, Western Australia in September is mild at 14.55 °C (58.19 °F).
Afternoons can be warm with average high temperatures reaching 20 °C (68 °F).
Overnight temperatures are generally a little cool with an average low of 9.1 °C (48.4 °F).
The variation/ range of diurnal average temperatures in September is 10.9 °C (19.6 °F).
Precipitation averages for September are moderate with 71.2mm (2.8 in) recorded across 15 days.
The heavens above Perth, Western Australia are a little sunny having an average of a measurable 7h 07' of gorgeous solar radiation per day.
The shortest day is 11h 28' long and the longest day is 12h 26' long with an average length of 11h 57'.
There are approximately 4h 41' per day when the sun is occluded by cloud, haze, fog etc.
It is sunny approximately 60.3% of daylight hours and cloudy 39.7% of daylight hours.

Weather Trend Graph for September in Perth, Western Australia, Australia

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