Weather in Sydney Harbor, Sydney, Australia in September

Search

Best
Best
Best
Best
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Sea
23°
Swim
Sea
23°
Swim
Sea
22°
Swim
Sea
23°
Swim
Sea
22°
Swim
Sea
20°
Swim
Sea
18°
 
Sea
18°
 
Sea
18°
 
Sea
18°
 
Sea
20°
Swim
Sea
22°
Swim

Visiting Sydney Harbor, 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 22°C (71°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 Harbor.

September has total rainfall of 7.3cm (2.9inches) making it mostly dry with only intermittent light showers. There are only 10.6 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 Harbor for prolonged periods of time. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.

In September, the weather at Sydney Harbor starts to warm up, with more sunny days and less rainfall. Swimming and sunbathing become more appealing, and water activities like snorkeling, diving, and surfing are popular once again. The calmer waters make it an ideal time for beginners to try out water sports. Consider visiting Sydney Harbor in the months of January, February, November, December, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Sydney Harbor in September?

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

September has average maximum temperatures of 22°C (71°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 7.3cm (2.9inches) making it mostly dry with only intermittent light showers. There are only 10.6 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 Harbor in September?

Probably not, September is a little too cold to enjoy swimming in Sydney Harbor 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 Harbor?

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

September has average maximum temperatures of 22°C (71°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 7.3cm (2.9inches) making it mostly dry with only intermittent light showers. There are only 10.6 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 Harbor. Sea temperatures are a chilly 18°C (65°F). September is a little too cold to enjoy swimming in Sydney Harbor for prolonged periods of time.

More about the September temperatures and sunshine.

Is Sydney Harbor warm in September?

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

The average maximum temperature in Sydney Harbor in September is 22°C (71°F). The average maximum temperature is 19°C (66°) in the previous month and 24°C (74°F) in the next month.

The average temperature in Sydney Harbor in September is 17°C (62°F). The average temperature is 14°C (57°F) in the previous month and 19°C (66°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Sydney Harbor in September?

The average day light hours per day in Sydney Harbor 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.

Crowds in Sydney Harbor in September

As spring begins in September, the weather starts to warm up, and more people are drawn to the beaches. The crowds remain relatively low, but weekends can see an increase in beachgoers enjoying the improving weather. There are no major public holidays or events during this month, so the beaches are generally not too crowded.

Temperature in Sydney Harbor 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 Harbor in September is 22°C (71°F). The average maximum temperature is 19°C (66°F) in the previous month and 24°C (74°F) in the next month.

The average temperature in Sydney Harbor in September is 17°C (62°F). The average temperature is 14°C (57°F) in the previous month and 19°C (66°F) in the next month.

The average minimum temperature in Sydney Harbor in September is 12°C (54°F). The minimum temperature is 10°C (49°F) in the previous month and 15°C (58°F) in the next month.

Sunshine in Sydney Harbor 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 Harbor. 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 Harbor 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 Harbor in September

The average sea water temperature in Sydney Harbor in September is 18.2°C (64.8°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.

Rainfall in Sydney Harbor in September

September weather is noticeably 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 Harbor in September is 7.3cm (2.9inches) and on average there are 10.6 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Sydney Harbor in September

The maximum dew point (an indicator of humidity) in Sydney Harbor in September is 12°C (54°F) which is very comfortable. The dew point is 9°C (49°F) in the previous month and 14°C (14°F) in the next month.

The average maximum relative humidity in Sydney Harbor in September is typically 83.7%. The maximum relative humidity is 80.8% in the previous month and 85.3% in the next month.

The average relative humidity in Sydney Harbor in September is typically 59.4%. The average relative humidity is 58.8% in the previous month and 62.1% in the next month.

Wind Speed in Sydney Harbor in September

The average maximum wind speed in Sydney Harbor in September is typically 36KM/H (22MPH). The average maximum wind speed is 34KM/H (21MPH) in the previous month and 38KM/H (24MPH) in the next month.

The average wind speed in Sydney Harbor in September is typically 19KM/H (12MPH). The average wind speed is 19KM/H (12MPH) in the previous month and 20KM/H (12MPH) in the next month.

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

Monthly Averages

Suggested Beaches in September

Need Inspiration?

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

Booking.com Search FlightsImage

Need Inspiration?

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