What is the weather like in Aoraki Mount Cook vs Christchurch in September?

In September, Aoraki Mount Cook averages 7°C high / 1°C low with about 344 mm of rain; Christchurch averages 16°C high / 4°C low with about 46 mm.

Aoraki Mount Cook vs Christchurch in September

Christchurch is the better pick in September — 77 vs 60 on SeasonMap's comfort score. Christchurch is cool, a little rain, clean air, while Aoraki Mount Cook is cold, soaked, clean air.

Aoraki Mount Cook vs Christchurch — September climate, side by side

	🇳🇿 Aoraki Mount Cook	🇳🇿 Christchurch
Comfort score	60/100 (C)	77/100 (B)
Feels-like high	5°C	12°C
Avg high / low	7° / 1°	16° / 4°
Rainfall	344 mm	46 mm
Rainy days	17	10
Humidity	91%	76%
Air quality (AQI)	30	25

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

Month by month

Aoraki Mount Cook vs Christchurch in September — FAQ

Is September better in Aoraki Mount Cook or Christchurch?: Christchurch is the better pick in September — 77 vs 60 on SeasonMap's comfort score. Christchurch is cool, a little rain, clean air, while Aoraki Mount Cook is cold, soaked, clean air.
What is the weather like in Aoraki Mount Cook vs Christchurch in September?: In September, Aoraki Mount Cook averages 7°C high / 1°C low with about 344 mm of rain; Christchurch averages 16°C high / 4°C low with about 46 mm.