2026 Climate Averages

Weather in Sydney in September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

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Climate Overview

September is an excellent time to visit Sydney. Sydney has a Warm climate with average yearly highs of 20°C, lows of 11°C, and approximately 8 rainy days per month.

Avg High

20°C

Avg Low

11°C

Rainy days

8days

Daylight

11.8h

Is September a good time to visit Sydney?

The weather is near-perfect with ideal temperatures and minimal rain.

Daylight

Sunrise

5:56 AM

Sunset

5:47 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 27°C 20°C 14 Wet
February 25°C 19°C 16 Wet
March 23°C 16°C 21 Excellent (best)
April 22°C 13°C 10 Excellent (best)
May 18°C 10°C 9 Good
June 17°C 8°C 11 Good
July 16°C 8°C 11 Good
August 17°C 7°C 6 Good
September 20°C 11°C 8 Excellent (best)
October 22°C 13°C 11 Excellent (best)
November 24°C 15°C 7 Excellent (best)
December 24°C 17°C 18 Wet

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for September

Layers, a light jacket, comfortable walking shoes, and an umbrella.

Climate: Warm
Travel Context Great for outdoor dining and evening strolls.

Planning a trip to Sydney?

Common Questions

Is September a good time to visit Sydney? +

September is typically Excellent for visiting Sydney, with average highs of 20°C and around 8 rainy days.

What should I pack for Sydney in September? +

With highs of 20°C and lows of 11°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.

Does it rain a lot in Sydney in September? +

Sydney typically sees around 8 rainy days in September.

How many hours of daylight are there in Sydney in September? +

In September, Sydney gets approximately 11.8 hours of daylight per day.

Is September peak season in Sydney? +

Yes, September is peak season in Sydney. Expect higher prices and more crowds, but also the best weather.

What is the best month to visit Sydney? +

The best months to visit Sydney are September, October, November, March, April, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Australia/Sydney)

Last Updated: January 2026

More Sydney Guides

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Overview

Complete travel guide for Sydney: top things to do, itineraries, and typical costs.

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September

20° / 11°
View Full Destination Guide