Auckland in September

In September, Auckland averages 17°C (63°F) during the day and 10°C (50°F) at night, with frequent rain — about 14 days of the month see precipitation (100 mm total).

Shoulder

Conditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.

September is one of the wetter and less comfortable months in Auckland. If your dates are flexible, consider a different time of year.

17°C
Avg high
10°C
Avg low
14
Rain days
100 mm
Rainfall

How September compares to the rest of the year in Auckland

9th
warmest month of the 12
5th
wettest month of the 12
8%
of yearly rainfall falls in September
11 h 49 min
daylight on the 15th

September is in the middle of the year for warmth in Auckland (9th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 2°C below the annual average (19°C). September runs 2°C warmer than August (15°C) and warms a further 1°C into October (18°C).

September sunrise & sunset in Auckland

🌅
Sunrise (15th)
6:22 AM
🌇
Sunset (15th)
6:10 PM
Day length
11 h 49 min

Times shown for Auckland local time (Pacific/Auckland), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Auckland — September

Golden-hour and blue-hour windows for the 15th of September, in Auckland's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:22 AM – 6:02 AM
🌄 Golden hour (AM)
6:02 AM – 7:02 AM
🌇 Golden hour (PM)
5:30 PM – 6:30 PM
🌆 Blue hour (PM)
6:30 PM – 7:10 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Auckland.

📅 When to book — Auckland in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Auckland's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — September in Auckland

Shoulder

Auckland is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — September in Auckland

☀️ UV Index (noon, 15th)
9.4
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Auckland in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 24°C / 75°F 16°C / 61°F 75 mm 9
February 24°C / 75°F 17°C / 63°F 65 mm 7
March 23°C / 73°F 15°C / 59°F 85 mm 9
April 20°C / 68°F 13°C / 55°F 100 mm 11
May 17°C / 63°F 11°C / 52°F 125 mm 14
June 15°C / 59°F 9°C / 48°F 140 mm 16
July 14°C / 57°F 8°C / 46°F 145 mm 17
August 15°C / 59°F 9°C / 48°F 120 mm 16
September 17°C / 63°F 10°C / 50°F 100 mm 14
October 18°C / 64°F 11°C / 52°F 100 mm 13
November 20°C / 68°F 12°C / 54°F 85 mm 11
December 22°C / 72°F 14°C / 57°F 85 mm 10

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Auckland in September →

Frequently asked questions

How hot is Auckland in September?

In September, Auckland averages a high of 17°C (63°F) and a low of 10°C (50°F) — generally mild and pleasant.

Does it rain a lot in Auckland in September?

September can be fairly wet in Auckland, with about 14 rainy days on average.

Is September a good time to visit Auckland?

September is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Auckland in September?

Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full September packing list for Auckland for a complete, climate-based checklist.

Open Auckland on the interactive map

Check the live 10-day forecast and sunrise/sunset.