What is the weather like in Melbourne vs Sydney in September?

In September, Melbourne averages 18°C high / 9°C low with about 49 mm of rain; Sydney averages 20°C high / 13°C low with about 73 mm.

Melbourne vs Sydney in September

Sydney is the better pick in September — 89 vs 83 on SeasonMap's comfort score. Sydney is nice, a little rain, clean air, while Melbourne is nice, a little rain, clean air.

Melbourne vs Sydney — September climate, side by side

	Melbourne	Sydney
Comfort score	83/100 (A)	89/100 (A)
Feels-like high	16°C	19°C
Avg high / low	18° / 9°	20° / 13°
Rainfall	49 mm	73 mm
Rainy days	9	7
Humidity	71%	66%
Air quality (AQI)	31	45

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Melbourne vs Sydney in September — FAQ

Is September better in Melbourne or Sydney?: Sydney is the better pick in September — 89 vs 83 on SeasonMap's comfort score. Sydney is nice, a little rain, clean air, while Melbourne is nice, a little rain, clean air.
What is the weather like in Melbourne vs Sydney in September?: In September, Melbourne averages 18°C high / 9°C low with about 49 mm of rain; Sydney averages 20°C high / 13°C low with about 73 mm.