Weather in Sydney, Australia in September

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Visiting Sydney, Australia in September

The weather in September is warmer than the previous month and temperatures continue to rise slightly into October. September has average maximum temperatures of 21°C (70°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 78% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright. It is a good time for sunbathing in Sydney.

September has total rainfall of 6.7cm (2.6inches) making it mostly dry with only intermittent light showers. There are only 11.3 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a chilly 18°C (65°F). September is a little too cold to enjoy swimming in Sydney for prolonged periods of time. The sea temperature in September is slightly cooler than the previous month.

Consider visiting Sydney 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 Sydney in September?

Yes, September is a good time for sunbathing in Sydney.

September has average maximum temperatures of 21°C (70°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 78% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright. September has total rainfall of 6.7cm (2.6inches) making it mostly dry with only intermittent light showers. There are only 11.3 days with some rainfall so you can still enjoy the beach on the majority of days.

More about September temperature and sunshine.

Can you swim in Sydney in September?

Probably not, September is a little too cold to enjoy swimming in Sydney for prolonged periods of time with the sea water at 18°C (65°F).

More about September sea temperatures.

Is September a good time to holiday in Sydney?

Yes, September is a good time for a holiday in Sydney.

September has average maximum temperatures of 21°C (70°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 78% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright. September has total rainfall of 6.7cm (2.6inches) making it mostly dry with only intermittent light showers. There are only 11.3 days with some rainfall so you can still enjoy the beach on the majority of days. It is a good time for sunbathing in Sydney. Sea temperatures are a chilly 18°C (65°F). September is a little too cold to enjoy swimming in Sydney for prolonged periods of time.

More about the September temperatures and sunshine.

Is Sydney warm in September?

Yes, Sydney is nice and warm and makes sunbathing pleasant on clear days in September.

The average maximum temperature in Sydney in September is 21°C (70°F). The average maximum temperature is 19°C (66°) in the previous month and 23°C (73°F) in the next month.

The average temperature in Sydney in September is 16°C (61°F). The average temperature is 14°C (57°F) in the previous month and 18°C (65°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Sydney in September?

The average day light hours per day in Sydney in September are 11.9. The sunshine percentage is 78% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright.

More about September sunshine.

Temperature in Sydney in September

The weather in September is warmer than the previous month and temperatures continue to rise slightly into October. The average maximum temperature in Sydney in September is 21°C (70°F). The average maximum temperature is 19°C (66°F) in the previous month and 23°C (73°F) in the next month.

The average temperature in Sydney in September is 16°C (61°F). The average temperature is 14°C (57°F) in the previous month and 18°C (65°F) in the next month.

The average minimum temperature in Sydney in September is 12°C (53°F). The minimum temperature is 10°C (49°F) in the previous month and 14°C (57°F) in the next month.

Sunshine in Sydney 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 Sydney. The sunshine percentage is 78% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright.

The ultraviolet index in Sydney in September is typically 6.7 during September. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. 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 Sydney in September

The average sea water temperature in Sydney in September is 18.1°C (64.6°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in September is slightly cooler than the previous month.

Rainfall in Sydney in September

September weather is slightly drier than the previous month. September has a couple of more days of rain than the previous month and rainy days continue to rise slightly into October. The average total rainfall in Sydney in September is 6.7cm (2.6inches) and on average there are 11.3 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Sydney in September

The maximum dew point (an indicator of humidity) in Sydney in September is 12°C (54°F) which is very comfortable. The dew point is 10°C (49°F) in the previous month and 14°C (14°F) in the next month.

The average maximum relative humidity in Sydney in September is typically 85.1%. The maximum relative humidity is 82.6% in the previous month and 86.4% in the next month.

The average relative humidity in Sydney in September is typically 61.7%. The average relative humidity is 61.3% in the previous month and 64.1% in the next month.

Wind Speed in Sydney in September

The average maximum wind speed in Sydney in September is typically 36KM/H (22MPH). The average maximum wind speed is 33KM/H (20MPH) in the previous month and 37KM/H (23MPH) in the next month.

The average wind speed in Sydney in September is typically 19KM/H (12MPH). The average wind speed is 18KM/H (11MPH) in the previous month and 19KM/H (12MPH) in the next month.

The average wind direction in Sydney in September is from the North West.

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.