September is one of the cooler months of the year in Port Hedland, with average highs near 34.1°C and lows around 18.1°C (mean 26.1°C). It is one of the drier months, averaging 2 mm of rainfall and 42% relative humidity across the period.
September is one of the cooler months of the year in Port Hedland. Across 45 years of records, the warmest September in Port Hedland was 2024 — when the month averaged 28.9°C — while the coldest were 1992 and 1993 at 24.1°C. Typical September days reach 34.1°C with nights near 18.1°C. The long-term trend is warming, about 0.2°C per decade.
September is one of the drier months in Port Hedland, averaging 2 mm of rainfall. The wettest September on record was 2006 with 30 mm, while the driest were 2018, 2020 and 2025, among others at 0 mm.
Relative humidity in Port Hedland during September averages 42%. The most humid September was 2002 at 56%, and the least humid was 1981 at 34%.
September receives about 6.6 kWh/m²/day of solar energy in Port Hedland. The sunniest Septembers were 2015, 2019 and 2020 at 7 kWh/m²/day, and the cloudiest was 2010 at 6.
Average wind speed in Port Hedland during September is 3.2 m/s. The windiest September was 2010 at 3.9 m/s, while the calmest was 2006 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.1°C | 25.7°C | 25.9°C | 26.0°C | 27.4°C | +1.3°C |
| Avg High | 34.2°C | 33.6°C | 33.9°C | 34.1°C | 35.2°C | +1°C |
| Avg Low | 18.1°C | 17.7°C | 17.8°C | 17.8°C | 19.6°C | +1.5°C |
| Avg Rain | 3 mm | 1 mm | 3 mm | 2 mm | 3 mm | -1 mm |
September temperatures in Port Hedland have risen by about 0.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 9.7°C (1992) to a record high of 42.1°C (2023).
Rainfall in September is one of the drier months, averaging 2 mm, with a wettest year of 30 mm.
A good time to visit Port Hedland
September is a good time to visit Port Hedland, with days averaging 34.1°C and nights around 18.1°C (mean 26.1°C, cooler than Port Hedland's yearly average) and low rainfall. August and June are marginally more temperate, but September still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 34.4°C | 26.4°C | 18.4°C | 38.8°C | 14.2°C | 0 mm | 37% | 3.4 m/s | 6.9 |
| 2024 🔥 | 35.6°C | 28.9°C | 22.3°C | 39.4°C | 20.0°C | 6 mm | 43% | 3.3 m/s | 6.2 |
| 2023 | 36.8°C | 28.5°C | 20.3°C | 42.1°C | 15.7°C | 0 mm | 43% | 2.9 m/s | 6.7 |
| 2022 | 32.9°C | 25.3°C | 17.8°C | 39.5°C | 13.5°C | 8 mm | 44% | 3.2 m/s | 6.5 |
| 2021 | 34.3°C | 26.3°C | 18.3°C | 38.1°C | 14.7°C | 0 mm | 36% | 3.5 m/s | 6.8 |
| 2020 | 37.1°C | 28.7°C | 20.3°C | 39.8°C | 18.0°C | 0 mm | 36% | 3 m/s | 7 |
| 2019 | 34.4°C | 25.9°C | 17.3°C | 37.6°C | 14.1°C | 1 mm | 41% | 3 m/s | 7 |
| 2018 | 35.1°C | 26.7°C | 18.3°C | 39.4°C | 13.9°C | 0 mm | 35% | 3 m/s | 6.9 |
| 2017 | 34.5°C | 26.6°C | 18.7°C | 38.9°C | 16.1°C | 1 mm | 40% | 3.3 m/s | 6.8 |
| 2016 | 32.8°C | 25.1°C | 17.4°C | 34.8°C | 14.0°C | 1 mm | 43% | 3 m/s | 6.6 |
| 2015 | 35.3°C | 26.7°C | 18.1°C | 39.1°C | 14.6°C | 0 mm | 38% | 3 m/s | 7 |
| 2014 | 35.4°C | 26.9°C | 18.3°C | 38.4°C | 15.3°C | 1 mm | 38% | 2.9 m/s | 6.7 |
| 2013 | 33.7°C | 25.6°C | 17.5°C | 38.2°C | 13.0°C | 2 mm | 54% | 2.9 m/s | 6.7 |
| 2012 | 35.4°C | 27.0°C | 18.5°C | 38.1°C | 14.7°C | 0 mm | 39% | 3.2 m/s | 6.6 |
| 2011 | 33.0°C | 24.8°C | 16.5°C | 35.5°C | 13.0°C | 0 mm | 38% | 3.6 m/s | 6.7 |
| 2010 | 31.8°C | 24.5°C | 17.2°C | 40.7°C | 12.9°C | 16 mm | 40% | 3.9 m/s | 6 |
| 2009 | 34.3°C | 25.9°C | 17.5°C | 38.1°C | 15.1°C | 0 mm | 39% | 3.3 m/s | 6.8 |
| 2008 | 35.4°C | 27.4°C | 19.4°C | 39.6°C | 17.0°C | 0 mm | 37% | 3 m/s | 6.4 |
| 2007 | 35.2°C | 26.7°C | 18.2°C | 39.7°C | 15.9°C | 0 mm | 38% | 3 m/s | 6.8 |
| 2006 🌧️ | 34.9°C | 26.6°C | 18.4°C | 41.4°C | 15.8°C | 30 mm | 49% | 2.8 m/s | 6.4 |
| 2005 | 32.3°C | 24.8°C | 17.3°C | 35.7°C | 14.6°C | 0 mm | 55% | 3.2 m/s | 6.5 |
| 2004 | 32.5°C | 24.5°C | 16.5°C | 37.9°C | 11.1°C | 0 mm | 43% | 3.3 m/s | 6.7 |
| 2003 | 33.0°C | 25.4°C | 17.8°C | 40.3°C | 15.6°C | 0 mm | 51% | 3.1 m/s | 6.7 |
| 2002 | 32.4°C | 24.7°C | 17.0°C | 37.8°C | 13.4°C | 1 mm | 56% | 3.1 m/s | 6.9 |
| 2001 | 33.3°C | 25.6°C | 17.8°C | 37.5°C | 10.6°C | 0 mm | 41% | 3 m/s | 6.1 |
| 2000 | 35.9°C | 27.2°C | 18.5°C | 41.3°C | 13.8°C | 0 mm | 43% | 2.9 m/s | 6.5 |
| 1999 | 35.0°C | 26.8°C | 18.5°C | 39.1°C | 15.5°C | 0 mm | 38% | 3 m/s | 6.6 |
| 1998 | 34.2°C | 26.5°C | 18.7°C | 41.9°C | 13.4°C | 0 mm | 41% | 3.4 m/s | 6.4 |
| 1997 | 32.9°C | 25.0°C | 17.0°C | 37.7°C | 12.7°C | 3 mm | 54% | 2.9 m/s | 6.6 |
| 1996 | 34.1°C | 26.0°C | 17.9°C | 37.9°C | 16.3°C | 0 mm | 44% | 3.2 m/s | 6.7 |
| 1995 | 33.5°C | 26.4°C | 19.3°C | 38.8°C | 14.5°C | 2 mm | 50% | 3.4 m/s | 6.3 |
| 1994 | 35.7°C | 26.9°C | 18.1°C | 38.7°C | 15.2°C | 0 mm | 37% | 3.1 m/s | 6.6 |
| 1993 | 31.7°C | 24.1°C | 16.4°C | 35.4°C | 10.3°C | 0 mm | 43% | 3.4 m/s | 6.7 |
| 1992 ❄️ | 31.7°C | 24.1°C | 16.5°C | 36.8°C | 9.7°C | 0 mm | 47% | 3.2 m/s | 6.3 |
| 1991 | 33.1°C | 25.0°C | 16.9°C | 39.8°C | 13.1°C | 0 mm | 43% | 3.2 m/s | 6.6 |
| 1990 | 34.1°C | 26.1°C | 18.1°C | 39.9°C | 14.8°C | 0 mm | 39% | 3.5 m/s | 6.5 |
| 1989 | 35.4°C | 27.0°C | 18.6°C | 40.7°C | 14.8°C | 0 mm | 34% | 3 m/s | 6.6 |
| 1988 | 34.4°C | 25.6°C | 16.9°C | 37.8°C | 12.8°C | 0 mm | 36% | 3 m/s | 6.6 |
| 1987 | 34.2°C | 25.8°C | 17.4°C | 38.1°C | 14.8°C | 0 mm | 38% | 3.1 m/s | 6.5 |
| 1986 | 32.4°C | 24.8°C | 17.2°C | 38.1°C | 13.2°C | 6 mm | 48% | 3.1 m/s | 6.3 |
| 1985 | 34.7°C | 26.3°C | 17.8°C | 37.0°C | 13.7°C | 0 mm | 40% | 3 m/s | 6.7 |
| 1984 | 31.4°C | 24.2°C | 17.0°C | 35.8°C | 13.4°C | 21 mm | 49% | 3.2 m/s | 6.3 |
| 1983 | 36.2°C | 28.0°C | 19.8°C | 41.0°C | 15.8°C | 0 mm | 38% | 3.1 m/s | — |
| 1982 | 32.9°C | 25.9°C | 18.9°C | 39.2°C | 15.4°C | 3 mm | 46% | 3.3 m/s | — |
| 1981 | 35.8°C | 27.7°C | 19.6°C | 38.8°C | 16.6°C | 0 mm | 34% | 3.3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 34.1°C with lows near 18.1°C (mean 26.1°C), based on 45 years of NASA POWER data.
September averages 2 mm of rainfall in Port Hedland, one of the drier months. The wettest on record was 30 mm in 2006.
The hottest September reached 42.1°C in 2023. The coldest dipped to 9.7°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.7°C. Daytime highs moved from 34.2°C to 34.8°C and overnight lows from 18.6°C to 19.4°C over the same span.
September is one of the cooler months of the year in Port Hedland and one of the drier months, so plan for around 34.1°C daytime highs and 18.1°C at night.
Not quite — September is the 5th coolest month in Port Hedland, averaging 26.1°C.
For September in Port Hedland, pack light, breathable clothing and sun protection, with typical highs of 34.1°C and lows of 18.1°C.
Relative humidity in September averages 42% — relatively dry.
Average wind speed in September is 3.2 m/s. The windiest September on record averaged 3.9 m/s (2010).
The wettest September on record was 2006 with 30 mm. On average, September sees 2 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 Port Hedland 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.
