Bay of Islands weather in September
Cool, with some rainy days. Average highs of 17°C and lows of 10°C, with around 12 rainy days expected throughout the month.
While September isn't our top-rated month for Bay of Islands, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
17°C
Average low
10°C
Rainy days
12 days
Best months to visit
January, February
What to do in Bay of Islands in September
Whatever the weather, Bay of Islands rewards curious visitors. Here are some of the best ways to spend your time:
Cruise past pristine islands
Spot bottlenose dolphins
Visit Treaty grounds at Waitangi
Hike Russell Forest trails
Fish for snapper and kingfish
Kayak sheltered coves
What to pack for September
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
Recommended
January
24C
Mild and comfortable, with occasional showers.
Recommended
February
23C
Mild and comfortable, with some rainy days.
March
22C
Mild and comfortable, with some rainy days.
April
20C
Mild and comfortable, with some rainy days.
May
18C
Mild and comfortable, with occasional showers.
June
16C
Cool, with some rainy days.
July
15C
Cool, with some rainy days.
August
15C
Cool, with some rainy days.
September (you are here)
17C
Cool, with some rainy days.
October
18C
Mild and comfortable, with some rainy days.
November
20C
Mild and comfortable, with some rainy days.
December
22C
Mild and comfortable, with some rainy days.
Book your September trip to Bay of Islands
Find hotels, tours and experiences for the perfect escape.
