Weather in Western Australia, Australia in September

So you're interested in going to Western Australia, Australia in September

September is a cold and dry time for sunbathing in Western Australia and not really recommended. September is too cold for swimming in Western Australia for any length of time, unless you have a wetsuit. Consider visiting Western Australia in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Western Australia in September

The average maximum temperature in Western Australia in September is 17°. The average maximum temperature is 16° in the previous month and 18° in the next month.

The average temperature in Western Australia in September is 13°. The average temperature ranges is 12° in the previous month and 14° in the next month.

The average minimum temperature in Western Australia in September is . The minimum temperature is in the previous month and 10° in the next month.

Sunshine in Western Australia in September

The average day light hours per day in Western Australia in September are 11.9 and there are 7.9 hours of sunshine per day on average during September making it a quite sunny month with some cloud cover.

The ultraviolet index in Western Australia in September is typically 7.7 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Western Australia in September

The average sea water temperature in Western Australia in September is 15.5° which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Rainfall in Western Australia in September

The average total rainfall in Western Australia in September is 3cm and on average there are 6.7 rainy days in September making it a dry time to visit the beach.

Humidity in Western Australia in September

The maximum dew point (an indicator of humidity) in Western Australia in September is 10° which is very comfortable. The dew point is 10° in the previous month and 11° in the next month.

The average maximum relative humidity in Western Australia in September is typically 71.8%. The maximum relative humidity is 72.1% in the previous month and 70.5% in the next month.

The average relative humidity in Western Australia in September is typically 55.2%. The average relative humidity is 55.7% in the previous month and 54.7% in the next month.

Wind Speed in Western Australia in September

The average maximum wind speed in Western Australia in September is typically 24kmh. The average maximum wind speed is 20kmh in the previous month and 23kmh in the next month.

The average wind speed in Western Australia in September is typically 15kmh. The average wind speed is 11kmh in the previous month and 14kmh in the next month.

The average wind direction in Western Australia in September is from the South-Southwest.