Auckland Weather in September
New Zealand · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
September in Auckland sees average temperatures ranging from a low of 10.7°C (51.3°F) to a high of 15.7°C (60.3°F), with a mean of 13.2°C (55.8°F). Compared to the annual average of 16.0°C (60.8°F), this month is 2.8°C cooler than the yearly norm. Precipitation averages 106.4mm, making it approximately 4.0mm drier than the monthly average of 111.0mm. The city receives an average of 9.3 hours of sunshine per day during September, with relative humidity averaging 79.5%. Wind speeds reach an average maximum of 27.1 km/h. For travelers, this month offers a temperature experience in Auckland, with drier-than-average conditions compared to the rest of the year.
There's something about Auckland in February that captures New Zealand's summer mythology. I sat on Takapuna Beach at 7pm and the sun was still high, the harbor glassy, locals cracking cold beers after work. January-February is when Auckland lives outdoors: 23°C, daylight until 8:30pm, festivals every weekend. Winter (June-August) is mild but moody — 14°C, frequent rain, the city retreating into its cafés. I love November best: spring blooms, 18°C, empty beaches, and the America's Cup energy if you time it right. Māori cultural events peak summer, and that's when Auckland feels most itself.
September vs Adjacent Months
| Metric | August | September | October |
|---|---|---|---|
| Mean Temp | 12.0°C (53.6°F) | 13.2°C (55.8°F) | 14.7°C (58.5°F) |
| Rainfall | 122.6mm | 106.4mm | 124.7mm |
| Sunshine | 8.3 hrs | 9.3 hrs | 9.8 hrs |
| Humidity | 82.1% | 79.5% | 80.1% |
| Wind | 24.6 km/h | 27.1 km/h | 26.2 km/h |
| Rainy Days | 22.8 | 20.8 | 24.0 |
Seasonal Context
September falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Auckland in September, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Auckland in September?
The average temperature in Auckland during September ranges from 10.7°C (51.3°F) to 15.7°C (60.3°F), with a mean of 13.2°C (55.8°F).
How much does it rain in Auckland in September?
Auckland receives an average of 106.4mm of precipitation in September, spread across approximately 20.8 rainy days.
What should I pack for Auckland in September?
Based on September weather data, pack warm layers, a medium jacket, and waterproof outerwear. Rain gear is essential — this month averages 106.4mm of precipitation.
Is September a good time to visit Auckland?
September is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Auckland
Cities with Similar September Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: -36.85°, 174.76°. Timezone: Pacific/Auckland. Last updated: 2026-07-30.