Sydney vs Ulaanbaatar in September

Sydney is the better pick in September — 90 vs 82 on SeasonMap's comfort score. Sydney is nice, a little rain, clean air, while Ulaanbaatar is cool, a little rain, clean air.

Sydney vs UlaanbaatarSeptember climate, side by side

SydneyUlaanbaatar
Comfort score90/100 (S)82/100 (A)
Feels-like high19°C14°C
Avg high / low20° / 12°17° / 4°
Rainfall46 mm39 mm
Rainy days77
Humidity69%64%
Air quality (AQI)4536

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

Sydney vs Ulaanbaatar in September — FAQ

Is September better in Sydney or Ulaanbaatar?
Sydney is the better pick in September — 90 vs 82 on SeasonMap's comfort score. Sydney is nice, a little rain, clean air, while Ulaanbaatar is cool, a little rain, clean air.
What is the weather like in Sydney vs Ulaanbaatar in September?
In September, Sydney averages 20°C high / 12°C low with about 46 mm of rain; Ulaanbaatar averages 17°C high / 4°C low with about 39 mm.