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Saturday, 8 August 2026 · Evening editionSydney ⛅ 11°CAUD/USD 0.7040 · AUD/EUR 0.6104About UsOur TeamSourcesContactNewsletter

September Weather Sydney

HomeWeatherSeptember Weather Sydney

Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Down Under Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.

12°C
Partly cloudySydneyFeels like 10° · Wind 5 km/h · Humidity 79%
UV 4 ModerateSunrise 06:40Sunset 17:21
Today🌦️18°💧100%
Mon🌧️15°10°💧87%
Tue19°11°💧0%
Wed☁️17°10°💧18%
Thu🌤️18°💧4%
Fri☀️17°💧6%
Sat🌦️16°💧79%

Live data from Open-Meteo · updates automatically ·

Pack layers for Sydney this September. The live forecast above shows current conditions, but typical spring days bring mild afternoons while mornings and evenings stay cool. Rain is possible, so a jacket and umbrella are wise.

What’s the typical September weather in Sydney?

Sydney’s September marks the start of spring, with average maximums near 20°C and minimums around 12°C. Rainfall is moderate — about eight wet days across the month. Sea breezes keep coastal suburbs fresh, while inland areas like Parramatta run slightly warmer. For a closer look at daily conditions, head to our Sydney weather page.

How does Sydney compare to other capitals in September?

Melbourne weather September is cooler, with average highs near 17°C and more frequent showers. Brisbane runs warmer, while Perth enjoys drier, sunnier days. For those planning ahead, weather in Sydney in October climbs to about 23°C — a clearer sign of summer. Across NSW, September brings a mix of crisp inland mornings and mild coastal afternoons (september weather nsw). In Fahrenheit terms, Sydney’s 20°C equates to about 68°F (sydney weather september fahrenheit).

Average maximum20°C (September weather Sydney Celsius)
Average minimum12°C
Average rainfall70 mm
Average sunshine7 hours per day
Is September a good month to visit Sydney?

Yes — mild days and fewer crowds make it a pleasant time. Just pack a variety of clothing for cool mornings, warm afternoons, and the odd spring shower.

Does it rain a lot in Sydney in September?

Rainfall is moderate — around eight wet days. It’s less soggy than autumn or winter, but a light jacket and umbrella are still worth packing.

What’s the ocean temperature in Sydney this month?

Water temperature sits around 18°C. Still cool for swimming without a wetsuit, though many locals enjoy the beach on calm afternoons.