Swannanoa Weather in September

With daytime temperatures of 15°C (59°F) and nighttime lows of 5°C (41°F), September in Swannanoa brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 65 mm (2.6 in) falls on average.

Rainfall in Swannanoa in September

Historically, approximately 9 days this month are expected to have rain, averaging 65 mm (2.6 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Swannanoa in September

If you're visiting Swannanoa in September, expect highs of 15°C (59°F) and overnight lows around 5°C (41°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Swannanoa in September

The area enjoys a balanced 167 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Swannanoa in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in September

At 10°C (50°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March and December typically offer the best weather for Swannanoa.

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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 Swannanoa's climate page.

Swannanoa Temperature in September

Min Temperature 5°C (41°F)  

Max Temperature 15°C (59°F)  

Water Temperature 10°C (50°F) *  

Chance of Rain 31%  

Precipitation 65 mm (2.6 in)  

Rainy days 9 days  

Humidity 79% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 167 hours *  

Percentage Sunshine 48% *  

* Data from: Christchurch, New Zealand (12 KM, 8 Miles).

What to Wear in Swannanoa in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 10°C (50°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Swannanoa in September

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

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 Swannanoa's climate page.

More climate data for Swannanoa

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Swannanoa climate overview or explore weather in New Zealand.