Weather Comparison
Side-by-side weather comparison for September
| Metric | Wellington | Auckland | Better |
|---|---|---|---|
| Average HighHigher is warmer | 13°C (55°F) | 15°C (59°F)▲ | Auckland |
| Average LowHigher is milder | 10°C (50°F) | 10°C (50°F) | Tie |
| Rain DaysFewer is drier | 12 days▲ | 14 days | Wellington |
| PrecipitationLess is drier | 78 mm▲ | 93 mm | Wellington |
| Sunshine HoursMore is sunnier | 9h/day | 10h/day▲ | Auckland |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 31 km/h | 27 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.
Wellington is on the cooler side at 13°C, requiring warmer clothing. Auckland is also comfortable at 15°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.
Wellington reaches an average high of 13°C (55°F) and drops to 10°C (50°F) at night during September. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.
Auckland averages 15°C (59°F) for the high and 10°C (50°F) for the low, with a daily range of 5°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.
Wellington receives approximately 78 mm of rainfall across 12 rain days during September. You can expect rain roughly every other day.
Auckland sees 93 mm over 14 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 13°C, lows of 10°C, 12 rain days
Highs of 15°C, lows of 10°C, 14 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 | Wellington | Auckland | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 18°C | 8d | 22°C | 9d |
| Feb | 19°C | 7d | 23°C | 9d |
| Mar | 18°C | 8d | 21°C | 8d |
| Apr | 16°C | 10d | 19°C | 10d |
| May | 14°C | 10d | 17°C | 12d |
| Jun | 12°C | 12d | 15°C | 12d |
| Jul | 11°C | 12d | 14°C | 14d |
| Aug | 12°C | 13d | 14°C | 15d |
| Sep | 13°C | 12d | 15°C | 14d |
| Oct | 14°C | 12d | 17°C | 12d |
| Nov | 15°C | 10d | 18°C | 11d |
| Dec | 17°C | 11d | 21°C | 11d |
Wellington Weather in September
Full forecast, packing tips, and activities
Auckland Weather in September
Full forecast, packing tips, and activities