Weather in Perth: September
|Average day temperature:||18.7°C|
|Average night temperature:||11.6°C|
|Sea water temperature:||17.4°C|
|Number of sunny days:||16 days|
|Day length:||11.4 - 12.4 hours|
|Number of rainy days:||5 days|
|Precipitation totals:||56.0 mm.|
Air temperature in September, °C
The highest day temperature during September of 2018 was 22°C. At the same time the lowest night temperature was 8°C. Daily and nightly averages during September were 17.8°C and 12.7°C.
Sea water temperature in Perth in September, °C
The average sea water temperature in September of 2018 was 16.5°C. The highest and lowest sea temperatures during the month were class="nb">17.3°C and 16.0°C.
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, mm
Precipitation total value in Perth in September is 56.0 mm. It makes september one of the most rainy months of the year.
The average wind speed value in September is 4.2 m./s. The wind's strength is relatively same during the whole year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.3.
Best time for vacation in Perth
Perth on a weather map
|+12°C||NW 4 m/s|