Weather in Sydney in September 2024
- September is usually the driest month of the year in Sydney
Average weather
Average temperature in Sydney in September
Going from a maximum of +75°F during the day to a minimum of +48°F during the night, the temperature in September averages around +66°F.
The average maximum temperature goes down 7% by the end of the month, compared with the beginning of the month, from +66°F to +64°F.
Is Sydney warm or cold in September?
Sydney is typically mild in September.
Maximum temperatures go up compared to the previous month from +64°F to +68°F. The minimum temperature also goes up from +48°F to +54°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Sydney:
Climate in Sydney in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +64°F | +68°F | +72°F | ||||
| Min. temperature | ||||||
| +39°F | +43°F | +45°F | ||||
| Max. temperature | ||||||
| +84°F | +93°F | +99°F | ||||
| Rainfall | ||||||
| 53 mm | 46 mm | 60 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 4 m/s | ||||
| Humidity | ||||||
| 62% | 61% | 63% | ||||
| Air pressure | ||||||
| 1017 HPa | 1015 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 19 | 16 | 13 | ||||
| Cloudy days | ||||||
| 8 | 10 | 13 | ||||
| Rainy days | ||||||
| 4 | 4 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +64°F to +68°F during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 53 mm to 46 mm. It feels drier, as humidity decreases from 62% to 61%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 19 sunny days in August to 16 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Sydney is gradually increasing during September, going from 4 m/s to 8 m/s over the course of the month.
Rain
How was the weather last September in Sydney?
Climate Change Over the Years
The climate in Sydney in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1990 (+67°F) and the highest in 2013 (+79°F). The driest year was 2017 with only 1 mm of rainfall, and the wettest year was 2019 with 161 mm.
FAQ
Is September a good time to visit Sydney?
Can you sunbathe in Sydney in September?
Is Sydney rainy in September?
Is it sunny in Sydney in September?
Other cities in Australia
Monthly weather in Sydney
Source of the data
For this page, we’ve looked at the typical weather in Sydney, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.