Weather in Western Australia, Australia in September

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Visiting Western Australia, Australia in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. September has average maximum temperatures of 20°C (68°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 66.6% making it sunny but overcast at times. The hours of sunshine per day are 7.9hrs making the days quite long and bright. It is not a good time for sunbathing in Western Australia.

September has total rainfall of 4.4cm (1.7inches) making it predominantly dry with occasional light showers on very few days. There are just 9.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in Western Australia for any length of time, unless you have a wetsuit. The sea temperature in September is slightly cooler than the previous month.

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.

Can you sunbathe in Western Australia in September?

No, September is not a good time for sunbathing in Western Australia.

September has average maximum temperatures of 20°C (68°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 66.6% making it sunny but overcast at times. The hours of sunshine per day are 7.9hrs making the days quite long and bright. September has total rainfall of 4.4cm (1.7inches) making it predominantly dry with occasional light showers on very few days. There are just 9.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about September temperature and sunshine.

Can you swim in Western Australia in September?

No, September is too cold for swimming in Western Australia for any length of time, with the sea water at 16°C (60°F), unless you have a wetsuit.

More about September sea temperatures.

Is September a good time to holiday in Western Australia?

Yes, September is a good time for a holiday in Western Australia.

September has average maximum temperatures of 20°C (68°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 66.6% making it sunny but overcast at times. The hours of sunshine per day are 7.9hrs making the days quite long and bright. September has total rainfall of 4.4cm (1.7inches) making it predominantly dry with occasional light showers on very few days. There are just 9.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is not a good time for sunbathing in Western Australia. Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in Western Australia for any length of time, unless you have a wetsuit.

More about the September temperatures and sunshine.

Is Western Australia warm in September?

Yes, Western Australia is not that warm but sunbathing may be possible on some clear days in September.

The average maximum temperature in Western Australia in September is 20°C (68°F). The average maximum temperature is 19°C (66°) in the previous month and 22°C (71°F) in the next month.

The average temperature in Western Australia in September is 15°C (59°F). The average temperature is 14°C (57°F) in the previous month and 17°C (62°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Western Australia in September?

The average day light hours per day in Western Australia in September are 11.9. The sunshine percentage is 66.6% making it sunny but overcast at times. The hours of sunshine per day are 7.9hrs making the days quite long and bright.

More about September sunshine.

Temperature in Western Australia in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. The average maximum temperature in Western Australia in September is 20°C (68°F). The average maximum temperature is 19°C (66°F) in the previous month and 22°C (71°F) in the next month.

The average temperature in Western Australia in September is 15°C (59°F). The average temperature is 14°C (57°F) in the previous month and 17°C (62°F) in the next month.

The average minimum temperature in Western Australia in September is 10°C (50°F). The minimum temperature is 9°C (48°F) in the previous month and 12°C (53°F) in the next month.

Sunshine in Western Australia in September

The days in September are longer than the previous month and the days continue to get slightly longer into October. September has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise into October. During September the average day light hours are 11.9 per day in Western Australia. The sunshine percentage is 66.6% making it sunny but overcast at times. The hours of sunshine per day are 7.9hrs making the days quite long and bright.

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°C (59.9°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. The sea temperature in September is slightly cooler than the previous month.

Rainfall in Western Australia in September

September weather is marginally drier than the previous month and rainfall continues to drop slightly into October. September has a couple of less days of rain than the previous month and rainy days continue to drop into October. The average total rainfall in Western Australia in September is 4.4cm (1.7inches) and on average there are 9.7 rainy days in September making it a quite rainy 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°C (51°F) which is very comfortable. The dew point is 10°C (49°F) in the previous month and 11°C (11°F) 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 70.6% 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 24KM/H (15MPH). The average maximum wind speed is 20KM/H (13MPH) in the previous month and 23KM/H (14MPH) in the next month.

The average wind speed in Western Australia in September is typically 15KM/H (9MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 14KM/H (8MPH) in the next month.

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

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.