Weather Comparison
Side-by-side weather comparison for September
| Metric | Auckland | Wellington | Better |
|---|---|---|---|
| Average HighHigher is warmer | 15°C (59°F)▲ | 13°C (55°F) | Auckland |
| Average LowHigher is milder | 10°C (50°F) | 10°C (50°F) | Tie |
| Rain DaysFewer is drier | 14 days | 12 days▲ | Wellington |
| PrecipitationLess is drier | 93 mm | 78 mm▲ | Wellington |
| Sunshine HoursMore is sunnier | 10h/day▲ | 9h/day | Auckland |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 27 km/h▲ | 31 km/h | Auckland |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Auckland edges ahead as the better destination in September. Auckland offers 10 hours of daily sunshine with only 14 rain days, while Wellington sees 9 sunshine hours and 12 rain days.
Auckland sits in the comfortable travel range at 15°C. Wellington is cooler at 13°C.
For travelers who prioritize dry weather, Wellington is the stronger choice in September. Auckland receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Auckland reaches an average high of 15°C (59°F) and drops to 10°C (50°F) at night during September. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.
Wellington averages 13°C (55°F) for the high and 10°C (50°F) for the low, with a daily range of 3°C. The 2°C difference is noticeable but not dramatic.
Both cities are in the Southern Hemisphere, so they share the same seasonal pattern in September.
Auckland receives approximately 93 mm of rainfall across 14 rain days during September. You can expect rain roughly every other day.
Wellington sees 78 mm over 12 rain days. That makes Wellington the drier option by 2 rain days and 15 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 15°C, lows of 10°C, 14 rain days
Highs of 13°C, lows of 10°C, 12 rain days
Pack for both: warm layers, a mid-weight jacket, long trousers, waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Auckland | Wellington | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 22°C | 9d | 18°C | 8d |
| Feb | 23°C | 9d | 19°C | 7d |
| Mar | 21°C | 8d | 18°C | 8d |
| Apr | 19°C | 10d | 16°C | 10d |
| May | 17°C | 12d | 14°C | 10d |
| Jun | 15°C | 12d | 12°C | 12d |
| Jul | 14°C | 14d | 11°C | 12d |
| Aug | 14°C | 15d | 12°C | 13d |
| Sep | 15°C | 14d | 13°C | 12d |
| Oct | 17°C | 12d | 14°C | 12d |
| Nov | 18°C | 11d | 15°C | 10d |
| Dec | 21°C | 11d | 17°C | 11d |
Auckland Weather in September
Full forecast, packing tips, and activities
Wellington Weather in September
Full forecast, packing tips, and activities