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Auckland in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Auckland in September and see if it is worth visiting.
Check flight prices to Auckland on Avionero:
September

Weather in Auckland in September 2024

OK Weather
Mild
☁️
Cloudy
Auckland in September usually sees fair weather conditions, with an average daily high temperature of +16°C and roughly 2 sunny days. However, you should prepare for about 11 rainy days with an average precipitation of 110 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+16°C
Avg. max. temperature
+2°C
Min.
+21°C
Max.
110 mm
Total precipitation
79%
Avg. humidity
4 m/s
Avg. wind
2 ☀️
Sunny Days
17 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Auckland has OK weather in September.

Average temperature in Auckland in September

Here are the expected maximum, average and minimum temperatures in Auckland for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +17°C with a maximum of +21°C and a minimum of +4°C.

The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +17°C to +18°C.

Is Auckland warm or cold in September?

Auckland is typically mild in September.

Maximum temperatures go up compared to the previous month from +14°C to +16°C. The minimum temperature also goes down from +10°C to +11°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Auckland:

Climate in Auckland in September

Auckland weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+14°C+16°C+17°C
Min. temperature
+3°C+2°C+5°C
Max. temperature
+21°C+21°C+23°C
Rainfall
122 mm110 mm97 mm
Wind
3 m/s4 m/s4 m/s
Humidity
81%79%77%
Air pressure
1014 HPa1014 HPa1014 HPa
Sunny days
423
Cloudy days
151718
Rainy days
121110
Snowy days
000

September weather is still as ok as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +14°C to +16°C during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 122 mm to 110 mm. It feels drier, as humidity decreases from 81% to 79%. Winds are stronger in comparison to August, going up from 3 m/s to 4 m/s on average. The days becoming less sunny, going from 4 sunny days in August to 2 in September.

October brings much the same weather, it remains ok.

Wind

Wind speed in Auckland in September based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Auckland is gradually increasing during September, going from 1 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Auckland based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in September stands at 67%, leading to total precipitation of around 210 mm. The maximum amount of rainfall per day is around 47 mm, which is moderate rain. September is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Auckland wettest month is July, where a typical day has a 35% chance of precipitation and 125 mm of rainfall per day. January, on the other hand, is the driest month with a mere 23% chance of precipitation and 79 mm of rainfall per day.

How was the weather last September in Auckland?

This is the weather in Auckland in September 2023:
1 September
☁️
+17°C
2 September
☁️
+17°C
3 September
🌧️
+18°C
4 September
☁️
+17°C
5 September
🌧️
+15°C
6 September
☀️
+15°C
7 September
☁️
+16°C
8 September
☁️
+16°C
9 September
☁️
+18°C
10 September
☁️
+16°C
11 September
🌧️
+17°C
12 September
🌧️
+18°C
13 September
🌧️
+18°C
14 September
☁️
+16°C
15 September
☀️
+16°C
16 September
☁️
+16°C
17 September
☁️
+17°C
18 September
☁️
+18°C
19 September
🌧️
+20°C
20 September
🌧️
+19°C
21 September
☀️
+20°C
22 September
🌧️
+17°C
23 September
🌧️
+17°C
24 September
☁️
+19°C
25 September
☁️
+21°C
26 September
☁️
+17°C
27 September
☁️
+18°C
28 September
☁️
+18°C
29 September
🌧️
+19°C
30 September
🌧️
+18°C
In September 2023 Auckland had 3 sunny days, 16 cloudy days, and 11 rainy days. The average maximum temperature was +17°C, with an absolute maximum of +21°C and a minimum of +15°C. The average humidity was 82%, with a maximum of 100% and a minimum of 48%. The average wind speed was 4 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Auckland climate have been changing during last 43 years period.

The climate in Auckland in September has not changed much over the last 43 years.

The average temperature was the lowest in 1992 (+15°C) and the highest in 2016 (+29°C). The driest year was 2006 with only 44 mm of rainfall, and the wettest year was 2022 with 243 mm.

FAQ

Frequently asked questions about the weather in Auckland in September:

Is September a good time to visit Auckland?

It’s always a good time to visit Auckland, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Auckland in September?

September has mild temperatures in Auckland. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Auckland rainy in September?

Auckland is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Auckland in September?

Usually, it’s not very sunny in Auckland in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in New Zealand

Check out the weather for other cities in New Zealand.

Monthly weather in Auckland

Source of the data

For this page, we’ve looked at the typical weather in Auckland, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.