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Stewart Island New Zealand
Precipitation in September
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September Rainfall Precipitation in Stewart Island

Stewart Island is a region in New Zealand. September generally is a rainy month with an average rainfall around 116 mm in Half-moon Bay.

Where and how much does it rain in Stewart Island in September?

Find the average total precipitation in September for the most popular destinations in Stewart Island on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Stewart Island receive in September?
    • In September, Half-moon Bay typically receives significant rainfall, averaging around 116 mm. Due to the frequent showers, the weather can shift unpredictably from one moment to the next.

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