Daytime highs, nighttime lows and the warmest cities in Stewart Island, New Zealand this September.
Stewart Island, New Zealand, a region in New Zealand, typically experiences mild weather in September, with maximum daytime temperatures around 12°C (54°F) and nighttime temperatures around 7°C (45°F) in Half-moon Bay.
Explore the map below to discover average September temperatures at the top destinations in Stewart Island. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Stewart Island.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Expect daytime temperatures around 12°C (54°F) in Half-moon Bay. That makes September a moderate month for Stewart Island, New Zealand.
Average overnight lows in Stewart Island, New Zealand during September sit near 7°C (45°F) in Half-moon Bay.
Half-moon Bay enjoys a balanced 142 hours of sunlight. This makes it neither too overcast nor too sunny.
We have much more information about the climate in Stewart Island.
Weather and climate has detailed information for every country in the world. Are you going to New Zealand? Get detailed historical weather averages for many cities in New Zealand.
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