September is one of the cooler months of the year in Tauranga, with average highs near 15.1°C and lows around 10.8°C (mean 13°C). It is about average for rainfall, averaging 106 mm of rainfall and 81% relative humidity across the period.
September is one of the cooler months of the year in Tauranga. Across 45 years of records, the warmest September in Tauranga was 2005 — when the month averaged 13.9°C — while the coldest was 1992 at 11.2°C. Typical September days reach 15.1°C with nights near 10.8°C. The long-term September temperature trend is broadly flat.
September is about average for rainfall in Tauranga, averaging 106 mm of rainfall. The wettest September on record was 2022 with 266 mm, while the driest was 2018 at 41 mm.
Relative humidity in Tauranga during September averages 81%. The most humid September was 1988 at 85%, and the least humid was 1982 at 77%.
September receives about 4 kWh/m²/day of solar energy in Tauranga. The sunniest September was 2008 at 4.5 kWh/m²/day, and the cloudiest was 2016 at 3.3.
Average wind speed in Tauranga during September is 4.8 m/s. The windiest September was 1981 at 6.1 m/s, while the calmest was 2009 at 3.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.0°C | 12.5°C | 13.3°C | 12.9°C | 13.3°C | +0.3°C |
| Avg High | 15.1°C | 14.7°C | 15.5°C | 15.0°C | 15.5°C | +0.4°C |
| Avg Low | 10.9°C | 10.3°C | 11.1°C | 10.9°C | 11.1°C | +0.2°C |
| Avg Rain | 92 mm | 113 mm | 80 mm | 110 mm | 152 mm | +61 mm |
September temperatures in Tauranga have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 5.7°C (1993) to a record high of 19°C (2001).
Rainfall in September is about average for rainfall, averaging 106 mm, with a wettest year of 266 mm.
A quieter season to visit Tauranga
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Tauranga. That said, September — with days averaging 15.1°C and nights around 10.8°C (mean 13°C) and higher rainfall (106 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 15.6°C | 13.4°C | 11.2°C | 18.2°C | 8.6°C | 128 mm | 81% | 5.3 m/s | 4.1 |
| 2024 | 15.8°C | 13.3°C | 10.8°C | 17.7°C | 6.9°C | 58 mm | 81% | 4.8 m/s | 4.3 |
| 2023 | 15.6°C | 13.8°C | 11.9°C | 18.8°C | 9.0°C | 227 mm | 85% | 5.2 m/s | 4.1 |
| 2022 🌧️ | 15.4°C | 13.6°C | 11.9°C | 17.6°C | 8.3°C | 266 mm | 79% | 4.1 m/s | 3.8 |
| 2021 | 15.2°C | 13.0°C | 10.7°C | 17.5°C | 8.5°C | 186 mm | 80% | 5.1 m/s | 3.8 |
| 2020 | 15.4°C | 12.9°C | 10.3°C | 17.8°C | 6.6°C | 49 mm | 79% | 5.2 m/s | 4.3 |
| 2019 | 15.2°C | 13.0°C | 10.9°C | 17.4°C | 9.1°C | 127 mm | 82% | 5.3 m/s | 4.1 |
| 2018 | 15.2°C | 13.0°C | 10.9°C | 18.2°C | 6.7°C | 41 mm | 81% | 4.3 m/s | 4.3 |
| 2017 | 15.3°C | 13.2°C | 11.1°C | 17.6°C | 8.5°C | 154 mm | 83% | 4.7 m/s | 3.6 |
| 2016 | 15.2°C | 13.4°C | 11.7°C | 16.9°C | 7.8°C | 155 mm | 84% | 4.8 m/s | 3.3 |
| 2015 | 14.4°C | 12.3°C | 10.1°C | 16.4°C | 8.0°C | 125 mm | 80% | 4.4 m/s | 4.1 |
| 2014 | 15.2°C | 13.1°C | 11.0°C | 17.6°C | 6.5°C | 121 mm | 83% | 5 m/s | 3.8 |
| 2013 | 15.2°C | 13.2°C | 11.3°C | 17.9°C | 7.1°C | 104 mm | 82% | 5.3 m/s | 3.8 |
| 2012 | 14.8°C | 12.9°C | 11.0°C | 18.5°C | 6.9°C | 99 mm | 78% | 5.4 m/s | 3.9 |
| 2011 | 14.5°C | 12.2°C | 9.9°C | 15.7°C | 6.9°C | 54 mm | 78% | 4.7 m/s | 4.3 |
| 2010 | 15.1°C | 13.0°C | 11.0°C | 17.2°C | 8.1°C | 122 mm | 84% | 5.7 m/s | 3.6 |
| 2009 | 15.5°C | 13.3°C | 11.0°C | 17.4°C | 5.9°C | 100 mm | 81% | 3.7 m/s | 4.1 |
| 2008 | 15.5°C | 13.3°C | 11.1°C | 18.1°C | 9.4°C | 51 mm | 81% | 4.3 m/s | 4.5 |
| 2007 | 15.0°C | 13.1°C | 11.3°C | 17.3°C | 8.1°C | 67 mm | 80% | 4 m/s | 3.9 |
| 2006 | 15.8°C | 13.4°C | 11.1°C | 18.1°C | 9.2°C | 62 mm | 82% | 4 m/s | 4.4 |
| 2005 🔥 | 16.0°C | 13.9°C | 11.9°C | 18.1°C | 7.5°C | 70 mm | 81% | 4.5 m/s | 4 |
| 2004 | 14.4°C | 12.1°C | 9.9°C | 16.6°C | 7.3°C | 85 mm | 80% | 5.2 m/s | 4 |
| 2003 | 15.8°C | 13.6°C | 11.5°C | 18.8°C | 9.3°C | 156 mm | 83% | 5.2 m/s | 3.9 |
| 2002 | 15.7°C | 13.2°C | 10.7°C | 17.4°C | 7.4°C | 91 mm | 79% | 4.9 m/s | 4.2 |
| 2001 | 15.5°C | 13.5°C | 11.4°C | 19.0°C | 9.1°C | 53 mm | 79% | 4.3 m/s | 4.2 |
| 2000 | 15.9°C | 13.3°C | 10.7°C | 18.4°C | 7.2°C | 65 mm | 78% | 4.4 m/s | 4.2 |
| 1999 | 15.9°C | 13.5°C | 11.1°C | 18.7°C | 6.7°C | 81 mm | 79% | 4.1 m/s | 4.3 |
| 1998 | 16.0°C | 13.6°C | 11.1°C | 18.0°C | 7.9°C | 52 mm | 79% | 5 m/s | 4 |
| 1997 | 14.1°C | 12.4°C | 10.6°C | 16.8°C | 7.0°C | 144 mm | 81% | 5 m/s | 3.7 |
| 1996 | 15.5°C | 13.5°C | 11.4°C | 17.4°C | 7.4°C | 129 mm | 83% | 4.6 m/s | 3.9 |
| 1995 | 14.9°C | 12.7°C | 10.6°C | 18.4°C | 7.0°C | 142 mm | 82% | 4.2 m/s | 4.3 |
| 1994 | 14.1°C | 11.8°C | 9.6°C | 15.7°C | 7.2°C | 173 mm | 82% | 5.5 m/s | 3.8 |
| 1993 | 13.6°C | 11.4°C | 9.2°C | 16.3°C | 5.7°C | 53 mm | 78% | 5.1 m/s | 4 |
| 1992 ❄️ | 13.4°C | 11.2°C | 9.0°C | 15.2°C | 5.8°C | 129 mm | 82% | 4.8 m/s | 3.9 |
| 1991 | 14.6°C | 12.8°C | 11.0°C | 16.7°C | 8.7°C | 113 mm | 83% | 4.7 m/s | 3.8 |
| 1990 | 14.4°C | 12.1°C | 9.9°C | 16.3°C | 7.5°C | 112 mm | 77% | 4 m/s | 4.3 |
| 1989 | 15.4°C | 13.6°C | 11.9°C | 17.7°C | 6.1°C | 106 mm | 82% | 4.7 m/s | 3.8 |
| 1988 | 15.7°C | 13.6°C | 11.4°C | 18.0°C | 6.9°C | 95 mm | 85% | 4.9 m/s | 3.8 |
| 1987 | 14.9°C | 12.8°C | 10.7°C | 18.1°C | 8.8°C | 96 mm | 81% | 5.8 m/s | 4.1 |
| 1986 | 15.0°C | 12.7°C | 10.3°C | 17.6°C | 7.7°C | 93 mm | 82% | 4.8 m/s | 4.1 |
| 1985 | 14.5°C | 12.9°C | 11.3°C | 17.9°C | 8.0°C | 115 mm | 79% | 5.9 m/s | 4.2 |
| 1984 | 14.7°C | 12.8°C | 10.8°C | 16.9°C | 8.7°C | 108 mm | 80% | 4.3 m/s | 4 |
| 1983 | 16.0°C | 13.4°C | 10.9°C | 17.4°C | 7.7°C | 83 mm | 80% | 5.1 m/s | — |
| 1982 | 15.1°C | 12.9°C | 10.6°C | 17.8°C | 7.1°C | 56 mm | 77% | 3.9 m/s | — |
| 1981 | 14.9°C | 12.7°C | 10.5°C | 17.5°C | 7.7°C | 76 mm | 80% | 6.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 15.1°C with lows near 10.8°C (mean 13°C), based on 45 years of NASA POWER data.
September averages 106 mm of rainfall in Tauranga, about average for rainfall. The wettest on record was 266 mm in 2022.
The hottest September reached 19°C in 2001. The coldest dipped to 5.7°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.5°C. Daytime highs moved from 15°C to 15.5°C and overnight lows from 10.8°C to 11.3°C over the same span.
September is one of the cooler months of the year in Tauranga and about average for rainfall, so plan for around 15.1°C daytime highs and 10.8°C at night.
Not quite — September is the 4th coolest month in Tauranga, averaging 13°C.
For September in Tauranga, pack light layers you can adjust through the day, with typical highs of 15.1°C and lows of 10.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 81% — quite humid.
Average wind speed in September is 4.8 m/s. The windiest September on record averaged 6.1 m/s (1981).
The wettest September on record was 2022 with 266 mm. On average, September sees 106 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Tauranga behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.
