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

In September, Oslo averages 18°C high / 10°C low with about 93 mm of rain; Sydney averages 20°C high / 13°C low with about 73 mm.

Oslo vs Sydney in September

Sydney is the better pick in September — 89 vs 74 on SeasonMap's comfort score. Sydney is nice, a little rain, clean air, while Oslo is nice, rainy, clean air.

Oslo vs Sydney — September climate, side by side

	🇳🇴 Oslo	🇦🇺 Sydney
Comfort score	74/100 (B)	89/100 (A)
Feels-like high	16°C	19°C
Avg high / low	18° / 10°	20° / 13°
Rainfall	93 mm	73 mm
Rainy days	10	7
Humidity	82%	66%
Air quality (AQI)	38	45

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

Month by month

Oslo 🇳🇴 Norwaynice, rainy, clean air · best July74
Sydney 🇦🇺 Australianice, a little rain, clean air · best September89

Oslo vs Sydney in September — FAQ

Is September better in Oslo or Sydney?: Sydney is the better pick in September — 89 vs 74 on SeasonMap's comfort score. Sydney is nice, a little rain, clean air, while Oslo is nice, rainy, clean air.
What is the weather like in Oslo vs Sydney in September?: In September, Oslo averages 18°C high / 10°C low with about 93 mm of rain; Sydney averages 20°C high / 13°C low with about 73 mm.