September is one of the warmer months of the year in Halls Creek, with average highs near 35.6°C and lows around 19.3°C (mean 27.5°C). It is one of the drier months, averaging 5 mm of rainfall and 24% relative humidity across the period.
September is one of the warmer months of the year in Halls Creek. Across 45 years of records, the warmest September in Halls Creek was 1995 — when the month averaged 29.4°C — while the coldest was 2004 at 25.1°C. Typical September days reach 35.6°C with nights near 19.3°C. The long-term September temperature trend is broadly flat.
September is one of the drier months in Halls Creek, averaging 5 mm of rainfall. The wettest September on record was 2024 with 61 mm, while the driest were 2015, 2017 and 2023, among others at 0 mm.
Relative humidity in Halls Creek during September averages 24%. The most humid September was 2010 at 42%, and the least humid were 2014 and 2017 at 17%.
September receives about 6.8 kWh/m²/day of solar energy in Halls Creek. The sunniest Septembers were 1985 and 2019 at 7.2 kWh/m²/day, and the cloudiest was 2010 at 6.
Average wind speed in Halls Creek during September is 2.9 m/s. The windiest Septembers were 1981, 2019 and 2024 at 3.5 m/s, while the calmest was 2002 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.2°C | 27.5°C | 27.7°C | 27.0°C | 28.0°C | +0.8°C |
| Avg High | 35.2°C | 35.8°C | 35.9°C | 35.3°C | 35.8°C | +0.6°C |
| Avg Low | 19.2°C | 19.2°C | 19.5°C | 18.6°C | 20.3°C | +1.1°C |
| Avg Rain | 6 mm | 3 mm | 2 mm | 6 mm | 13 mm | +7 mm |
September temperatures in Halls Creek have risen by about 0.8°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 9.3°C (2003) to a record high of 40.4°C (2000).
Rainfall in September is one of the drier months, averaging 5 mm, with a wettest year of 61 mm.
A good time to visit Halls Creek
September is a good time to visit Halls Creek, with days averaging 35.6°C and nights around 19.3°C (mean 27.5°C, close to Halls Creek'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 | 35.0°C | 26.9°C | 18.7°C | 39.5°C | 11.4°C | 0 mm | 22% | 2.8 m/s | 6.9 |
| 2024 🌧️ | 35.1°C | 28.4°C | 21.7°C | 38.8°C | 16.5°C | 61 mm | 37% | 3.5 m/s | 6.2 |
| 2023 | 35.7°C | 27.7°C | 19.7°C | 38.4°C | 14.3°C | 0 mm | 23% | 3.3 m/s | 6.8 |
| 2022 | 36.4°C | 28.7°C | 21.1°C | 40.0°C | 16.5°C | 10 mm | 27% | 2.9 m/s | 6.5 |
| 2021 | 35.1°C | 27.0°C | 18.9°C | 39.0°C | 13.2°C | 2 mm | 23% | 3.3 m/s | 6.8 |
| 2020 | 37.2°C | 29.3°C | 21.4°C | 39.5°C | 18.1°C | 4 mm | 26% | 2.9 m/s | 6.9 |
| 2019 | 35.0°C | 26.3°C | 17.5°C | 39.2°C | 11.8°C | 4 mm | 20% | 3.5 m/s | 7.2 |
| 2018 | 35.8°C | 27.4°C | 18.9°C | 37.5°C | 14.3°C | 9 mm | 21% | 3.2 m/s | 7 |
| 2017 | 36.1°C | 27.0°C | 18.0°C | 39.5°C | 14.3°C | 0 mm | 17% | 3.1 m/s | 7.1 |
| 2016 | 35.5°C | 28.2°C | 20.9°C | 38.9°C | 13.5°C | 1 mm | 31% | 2.7 m/s | 6.5 |
| 2015 | 34.7°C | 26.1°C | 17.4°C | 37.4°C | 13.3°C | 0 mm | 17% | 3.1 m/s | 7.1 |
| 2014 | 36.4°C | 27.2°C | 18.0°C | 39.3°C | 12.2°C | 0 mm | 17% | 2.7 m/s | 7.1 |
| 2013 | 36.3°C | 28.0°C | 19.8°C | 39.7°C | 16.3°C | 1 mm | 22% | 2.7 m/s | 7 |
| 2012 | 36.2°C | 27.7°C | 19.2°C | 39.5°C | 14.8°C | 16 mm | 20% | 2.7 m/s | 7 |
| 2011 | 34.0°C | 25.7°C | 17.3°C | 38.3°C | 10.4°C | 0 mm | 22% | 2.8 m/s | 6.9 |
| 2010 | 33.2°C | 26.2°C | 19.1°C | 38.4°C | 12.4°C | 32 mm | 42% | 3.4 m/s | 6 |
| 2009 | 36.8°C | 29.1°C | 21.4°C | 39.0°C | 14.4°C | 0 mm | 21% | 2.5 m/s | 6.8 |
| 2008 | 36.0°C | 28.0°C | 20.1°C | 39.1°C | 14.0°C | 9 mm | 28% | 2.6 m/s | 6.7 |
| 2007 | 36.2°C | 27.6°C | 19.1°C | 39.6°C | 12.8°C | 1 mm | 22% | 2.7 m/s | 6.7 |
| 2006 | 35.0°C | 26.7°C | 18.3°C | 38.9°C | 12.6°C | 1 mm | 21% | 3.1 m/s | 6.6 |
| 2005 | 36.6°C | 29.0°C | 21.5°C | 39.8°C | 17.8°C | 7 mm | 30% | 2.5 m/s | 6.5 |
| 2004 ❄️ | 33.9°C | 25.1°C | 16.2°C | 38.0°C | 9.7°C | 0 mm | 19% | 3.3 m/s | 7.1 |
| 2003 | 35.9°C | 28.1°C | 20.3°C | 39.8°C | 9.3°C | 3 mm | 26% | 2.6 m/s | 6.6 |
| 2002 | 36.5°C | 28.1°C | 19.7°C | 39.6°C | 16.1°C | 0 mm | 24% | 2.3 m/s | 6.9 |
| 2001 | 35.7°C | 27.4°C | 19.1°C | 39.6°C | 9.6°C | 2 mm | 25% | 2.8 m/s | 6.5 |
| 2000 | 36.3°C | 27.6°C | 19.0°C | 40.4°C | 13.7°C | 0 mm | 22% | 2.8 m/s | 6.4 |
| 1999 | 36.3°C | 27.5°C | 18.7°C | 39.2°C | 13.3°C | 2 mm | 21% | 2.6 m/s | 6.6 |
| 1998 | 36.1°C | 28.1°C | 20.1°C | 40.3°C | 17.1°C | 14 mm | 28% | 2.9 m/s | 6.5 |
| 1997 | 36.7°C | 28.6°C | 20.5°C | 39.8°C | 17.0°C | 9 mm | 27% | 2.6 m/s | 6.5 |
| 1996 | 35.7°C | 26.6°C | 17.4°C | 39.4°C | 12.8°C | 0 mm | 20% | 3 m/s | 6.9 |
| 1995 🔥 | 37.2°C | 29.4°C | 21.6°C | 39.7°C | 17.9°C | 0 mm | 26% | 2.4 m/s | 6.3 |
| 1994 | 35.2°C | 26.5°C | 17.7°C | 39.4°C | 13.7°C | 0 mm | 21% | 2.9 m/s | 6.6 |
| 1993 | 34.5°C | 27.1°C | 19.7°C | 36.7°C | 13.1°C | 1 mm | 28% | 3 m/s | 6.9 |
| 1992 | 36.4°C | 28.5°C | 20.7°C | 39.5°C | 10.4°C | 2 mm | 27% | 2.7 m/s | 6.8 |
| 1991 | 35.9°C | 27.5°C | 19.0°C | 38.2°C | 13.5°C | 1 mm | 20% | 2.5 m/s | 6.9 |
| 1990 | 33.9°C | 25.4°C | 16.8°C | 37.6°C | 11.5°C | 0 mm | 20% | 3.4 m/s | 6.8 |
| 1989 | 36.4°C | 28.2°C | 20.1°C | 39.9°C | 13.7°C | 3 mm | 21% | 2.7 m/s | 7 |
| 1988 | 36.5°C | 28.1°C | 19.8°C | 40.1°C | 13.4°C | 1 mm | 21% | 2.8 m/s | 6.8 |
| 1987 | 34.6°C | 26.1°C | 17.5°C | 37.9°C | 12.7°C | 7 mm | 20% | 3.1 m/s | 6.8 |
| 1986 | 34.9°C | 27.5°C | 20.1°C | 38.4°C | 10.2°C | 14 mm | 30% | 2.7 m/s | 6.8 |
| 1985 | 34.6°C | 25.9°C | 17.2°C | 37.4°C | 12.9°C | 0 mm | 18% | 3.4 m/s | 7.2 |
| 1984 | 34.1°C | 26.3°C | 18.5°C | 36.4°C | 12.8°C | 15 mm | 30% | 2.6 m/s | 6.7 |
| 1983 | 36.8°C | 28.6°C | 20.5°C | 40.3°C | 16.4°C | 1 mm | 24% | 2.8 m/s | — |
| 1982 | 33.6°C | 26.2°C | 18.7°C | 38.3°C | 12.6°C | 1 mm | 29% | 3 m/s | — |
| 1981 | 35.2°C | 27.7°C | 20.2°C | 37.7°C | 14.6°C | 8 mm | 28% | 3.5 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 35.6°C with lows near 19.3°C (mean 27.5°C), based on 45 years of NASA POWER data.
September averages 5 mm of rainfall in Halls Creek, one of the drier months. The wettest on record was 61 mm in 2024.
The hottest September reached 40.4°C in 2000. The coldest dipped to 9.3°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.8°C. Daytime highs moved from 34.9°C to 35.5°C and overnight lows from 19°C to 20°C over the same span.
September is one of the warmer months of the year in Halls Creek and one of the drier months, so plan for around 35.6°C daytime highs and 19.3°C at night.
Not quite — September is the 6th coolest month in Halls Creek, averaging 27.5°C.
For September in Halls Creek, pack light, breathable clothing and sun protection, with typical highs of 35.6°C and lows of 19.3°C.
Relative humidity in September averages 24% — relatively dry.
Average wind speed in September is 2.9 m/s. The windiest September on record averaged 3.5 m/s (1981).
The wettest September on record was 2024 with 61 mm. On average, September sees 5 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 Halls Creek 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.
