Half-moon Bay Weather in September

Thinking of visiting Half-moon Bay in September? Expect moderate temperatures reaching 12°C (54°F) during the day, dropping to 7°C (45°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Half-moon Bay in September

Historically, the month has about 23 days of rain, averaging 116 mm (4.6 in) in total. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Half-moon Bay in September

Daytime temperatures in Half-moon Bay reach 12°C (54°F) in September, dropping to 7°C (45°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Half-moon Bay in September

The month experiences a moderate amount of sunlight, with 142 hours of sunshine. This provides a nice balance between sunshine and clouds.

September in Half-moon Bay can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit New Zealand, check out our Half-moon Bay's climate page.

Half-moon Bay Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 12°C (54°F)  

Chance of Rain 77%  

Precipitation 116 mm (4.6 in)  

Rainy days 23 days  

Humidity 81% *  

Sunshine 142 hours *  

Percentage Sunshine 41% *  

* Data from: Invercargill, New Zealand (55 KM, 34 Miles).

What to Wear in Half-moon Bay in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Half-moon Bay in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit New Zealand, check out our Half-moon Bay's climate page.

More climate data for Half-moon Bay

Temperature Rainfall Sunshine Humidity

See the full Half-moon Bay climate overview or explore weather in New Zealand.