Auckland Weather in September

Auckland in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 112 mm (4.4 in), so pack a rain jacket to stay dry.

Rainfall in Auckland in September

Records from the past 30 years suggest around 19 days of rain, with 112 mm (4.4 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Auckland in September

Temperatures in Auckland in September top out at 17°C (63°F) and drop to 10°C (50°F) overnight. Conditions are often most pleasant around the middle of the day. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Auckland in September

The area enjoys a moderate level of sunlight, with around 151 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Auckland in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

September in Auckland 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.

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 Auckland's climate page.

Auckland Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Water Temperature 15°C (59°F)  

Chance of Rain 64%  

Precipitation 112 mm (4.4 in)  

Rainy days 19 days  

Humidity 81%  

Windspeed 5 m/s (10 knots)  

Sunshine 151 hours  

Percentage Sunshine 44%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Auckland typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).

Average temperatures in September

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Auckland in September

Browse day-by-day weather records for Auckland spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Auckland historical weather extremes in September

Our historical data for Auckland spans 1976 to 2025, revealing these weather extremes.

• Auckland recorded its highest September temperature of 22°C (72°F) on September 21, 2023.
• The lowest daytime temperature in September was 9°C (48°F), recorded on September 8, 1993.
• The coldest night in September in Auckland was on September 13, 2012, with a minimum of 3°C (37°F).

What to Wear in Auckland in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Auckland 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

6/10

Outdoor sports

9/10

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 Auckland's climate page.

More climate data for Auckland

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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