ClimateAverages

Sydney Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
16°C
Fog · feels like 16°C
Humidity
100%
Wind
4 kph S
UV
1.2
Rain
0%
Updated Jul 9, 08:45 AMWeather data by WeatherAPI.com
September daytime high
18.1°C
September overnight low
9.3°C
September average
13.7°C

In September, Sydney typically sees daytime highs of 18.1°C and overnight lows around 9.3°C. Compared to the annual average high of 9.8°C, September runs +8.3°C.

vs. annual avg high
+8.3°C
Rank among 12 months
#3 warmest
Hottest year overall
2005

Where September ranks in Sydney

JanFebMarAprMayJunJulAugSep18°OctNovDec

FAQ

What is the average temperature in Sydney in September?

September in Sydney averages a daytime high of 18.1°C and an overnight low of 9.3°C.

Is September warm or cold in Sydney?

September runs +8.3°C compared to Sydney's annual average high of 9.8°C, ranking #3 of 12 months by warmth.

What should I pack for Sydney in September?

Plan for daytime highs near 18.1°C and cooler evenings around 9.3°C.

Other months for Sydney

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

HalifaxDartmouth