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

In September, Brisbane averages 25°C high / 14°C low with about 31 mm of rain; Sydney averages 20°C high / 13°C low with about 73 mm.

Brisbane vs Sydney in September

Brisbane is the better pick in September — 95 vs 89 on SeasonMap's comfort score. Brisbane is warm, a little rain, clean air, while Sydney is nice, a little rain, clean air.

Brisbane vs Sydney — September climate, side by side

	🇦🇺 Brisbane	🇦🇺 Sydney
Comfort score	95/100 (S)	89/100 (A)
Feels-like high	25°C	19°C
Avg high / low	25° / 14°	20° / 13°
Rainfall	31 mm	73 mm
Rainy days	4	7
Humidity	69%	66%
Air quality (AQI)	40	45

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

Month by month

Brisbane vs Sydney in September — FAQ

Is September better in Brisbane or Sydney?: Brisbane is the better pick in September — 95 vs 89 on SeasonMap's comfort score. Brisbane is warm, a little rain, clean air, while Sydney is nice, a little rain, clean air.
What is the weather like in Brisbane vs Sydney in September?: In September, Brisbane averages 25°C high / 14°C low with about 31 mm of rain; Sydney averages 20°C high / 13°C low with about 73 mm.