September is one of the cooler months of the year in Quilpie, with average highs near 28.3°C and lows around 11.7°C (mean 20°C). It is one of the drier months, averaging 13 mm of rainfall and 38% relative humidity across the period.
September is one of the cooler months of the year in Quilpie. Across 45 years of records, the warmest September in Quilpie was 2013 — when the month averaged 23.4°C — while the coldest was 1984 at 16.4°C. Typical September days reach 28.3°C with nights near 11.7°C. The long-term trend is warming, about 0.4°C per decade.
September is one of the drier months in Quilpie, averaging 13 mm of rainfall. The wettest September on record was 2016 with 107 mm, while the driest were 2017, 2018 and 2023, among others at 0 mm.
Relative humidity in Quilpie during September averages 38%. The most humid September was 2016 at 67%, and the least humid was 2019 at 23%.
September receives about 6.2 kWh/m²/day of solar energy in Quilpie. The sunniest September was 1989 at 6.9 kWh/m²/day, and the cloudiest were 2010 and 2016 at 5.1.
Average wind speed in Quilpie during September is 3.1 m/s. The windiest Septembers were 2020 and 2021 at 3.5 m/s, while the calmest were 2000, 2005 and 2022, among others at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.0°C | 19.8°C | 20.9°C | 19.8°C | 21.0°C | +2°C |
| Avg High | 27.3°C | 27.9°C | 29.4°C | 28.1°C | 29.3°C | +2°C |
| Avg Low | 10.7°C | 11.7°C | 12.4°C | 11.4°C | 12.8°C | +2.1°C |
| Avg Rain | 7 mm | 13 mm | 7 mm | 22 mm | 19 mm | +12 mm |
September temperatures in Quilpie have risen by about 1.8°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 2.4°C (1981) to a record high of 41.7°C (2017).
Rainfall in September is one of the drier months, averaging 13 mm, with a wettest year of 107 mm.
One of the best times to visit Quilpie
September is one of the best times to visit Quilpie. Expect days averaging 28.3°C and nights around 11.7°C (mean 20°C) — cooler than Quilpie's yearly average — with low rainfall (13 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.5°C | 20.9°C | 12.4°C | 38.6°C | 5.1°C | 4 mm | 38% | 3.2 m/s | 6 |
| 2024 | 29.5°C | 21.3°C | 13.0°C | 33.7°C | 6.3°C | 2 mm | 34% | 3.4 m/s | 6.2 |
| 2023 | 31.4°C | 22.6°C | 13.8°C | 36.1°C | 7.4°C | 0 mm | 24% | 3.1 m/s | 6.3 |
| 2022 | 25.8°C | 18.4°C | 11.0°C | 33.3°C | 6.3°C | 66 mm | 54% | 2.8 m/s | 5.4 |
| 2021 | 29.0°C | 20.4°C | 11.9°C | 35.5°C | 5.6°C | 30 mm | 33% | 3.5 m/s | 6.3 |
| 2020 | 30.6°C | 22.7°C | 14.7°C | 37.6°C | 7.3°C | 12 mm | 35% | 3.5 m/s | 6.2 |
| 2019 | 29.6°C | 20.7°C | 11.8°C | 34.2°C | 5.3°C | 1 mm | 23% | 3 m/s | 6.4 |
| 2018 | 29.0°C | 20.0°C | 11.0°C | 35.2°C | 5.2°C | 0 mm | 26% | 3.1 m/s | 6.6 |
| 2017 | 31.0°C | 21.8°C | 12.6°C | 41.7°C | 6.5°C | 0 mm | 24% | 3.2 m/s | 6.5 |
| 2016 🌧️ | 23.5°C | 16.7°C | 9.8°C | 28.6°C | 5.9°C | 107 mm | 67% | 3 m/s | 5.1 |
| 2015 | 27.2°C | 19.0°C | 10.8°C | 33.1°C | 6.0°C | 2 mm | 38% | 3 m/s | 6.5 |
| 2014 | 27.3°C | 19.0°C | 10.6°C | 35.4°C | 4.6°C | 10 mm | 42% | 3.1 m/s | 6.5 |
| 2013 🔥 | 32.4°C | 23.4°C | 14.3°C | 39.3°C | 9.8°C | 3 mm | 26% | 2.9 m/s | 6.3 |
| 2012 | 28.7°C | 20.0°C | 11.2°C | 37.1°C | 4.6°C | 5 mm | 36% | 3 m/s | 6.4 |
| 2011 | 27.6°C | 19.2°C | 10.8°C | 33.9°C | 4.9°C | 26 mm | 39% | 2.9 m/s | 6.1 |
| 2010 | 25.0°C | 18.1°C | 11.2°C | 30.6°C | 6.0°C | 65 mm | 61% | 2.9 m/s | 5.1 |
| 2009 | 29.5°C | 21.0°C | 12.4°C | 38.4°C | 6.9°C | 5 mm | 34% | 3 m/s | 6.2 |
| 2008 | 28.2°C | 20.1°C | 12.0°C | 35.7°C | 7.3°C | 35 mm | 47% | 3.1 m/s | 5.7 |
| 2007 | 29.9°C | 21.2°C | 12.5°C | 37.2°C | 9.1°C | 0 mm | 28% | 3 m/s | 6.4 |
| 2006 | 29.0°C | 20.7°C | 12.5°C | 35.5°C | 4.4°C | 0 mm | 37% | 3.2 m/s | 6.4 |
| 2005 | 29.2°C | 20.8°C | 12.5°C | 38.1°C | 6.2°C | 4 mm | 39% | 2.8 m/s | 6 |
| 2004 | 28.1°C | 19.4°C | 10.7°C | 37.8°C | 3.4°C | 17 mm | 38% | 3 m/s | 6.1 |
| 2003 | 30.0°C | 21.0°C | 12.0°C | 37.3°C | 3.0°C | 1 mm | 29% | 3.1 m/s | 6.5 |
| 2002 | 30.0°C | 21.7°C | 13.4°C | 38.3°C | 6.0°C | 11 mm | 26% | 3.4 m/s | 5.8 |
| 2001 | 29.0°C | 20.7°C | 12.5°C | 34.6°C | 6.8°C | 1 mm | 31% | 3.2 m/s | 6.1 |
| 2000 | 30.9°C | 22.2°C | 13.5°C | 39.8°C | 7.4°C | 0 mm | 31% | 2.8 m/s | 6.4 |
| 1999 | 29.4°C | 21.3°C | 13.3°C | 35.6°C | 6.7°C | 2 mm | 32% | 3.2 m/s | 6.4 |
| 1998 | 27.9°C | 20.7°C | 13.5°C | 34.7°C | 5.9°C | 21 mm | 58% | 3 m/s | 5.7 |
| 1997 | 29.1°C | 20.8°C | 12.6°C | 35.4°C | 6.6°C | 23 mm | 38% | 3 m/s | 6.4 |
| 1996 | 28.5°C | 19.7°C | 11.0°C | 35.6°C | 4.8°C | 18 mm | 37% | 3 m/s | 6.4 |
| 1995 | 28.2°C | 20.2°C | 12.2°C | 33.8°C | 2.4°C | 29 mm | 42% | 3 m/s | 5.6 |
| 1994 | 27.7°C | 18.8°C | 9.9°C | 34.7°C | 5.4°C | 0 mm | 25% | 3 m/s | 6.7 |
| 1993 | 26.3°C | 18.7°C | 11.2°C | 36.9°C | 6.2°C | 28 mm | 47% | 3.3 m/s | 6.1 |
| 1992 | 26.2°C | 18.1°C | 10.0°C | 34.3°C | 5.4°C | 9 mm | 37% | 3.1 m/s | 6.4 |
| 1991 | 29.3°C | 20.8°C | 12.2°C | 35.2°C | 5.9°C | 1 mm | 24% | 3.2 m/s | 6.7 |
| 1990 | 26.7°C | 18.7°C | 10.7°C | 34.2°C | 3.5°C | 1 mm | 47% | 3.1 m/s | 6.8 |
| 1989 | 26.5°C | 17.8°C | 9.2°C | 34.9°C | 4.4°C | 0 mm | 43% | 2.9 m/s | 6.9 |
| 1988 | 28.0°C | 19.9°C | 11.8°C | 39.1°C | 5.6°C | 34 mm | 46% | 3.4 m/s | 6.2 |
| 1987 | 27.6°C | 19.2°C | 10.9°C | 33.0°C | 4.2°C | 2 mm | 39% | 2.9 m/s | 6.2 |
| 1986 | 28.1°C | 19.5°C | 11.0°C | 35.6°C | 3.5°C | 1 mm | 37% | 2.9 m/s | 6.5 |
| 1985 | 25.4°C | 17.4°C | 9.4°C | 35.0°C | 3.3°C | 5 mm | 37% | 3.2 m/s | 6.6 |
| 1984 ❄️ | 24.6°C | 16.4°C | 8.3°C | 34.2°C | 2.7°C | 10 mm | 40% | 2.9 m/s | 6.6 |
| 1983 | 29.3°C | 21.1°C | 12.9°C | 34.9°C | 6.3°C | 2 mm | 46% | 3.1 m/s | — |
| 1982 | 27.1°C | 19.2°C | 11.2°C | 36.4°C | 4.7°C | 11 mm | 34% | 3.2 m/s | — |
| 1981 | 28.9°C | 20.5°C | 12.0°C | 36.9°C | 2.4°C | 3 mm | 42% | 2.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 28.3°C with lows near 11.7°C (mean 20°C), based on 45 years of NASA POWER data.
September averages 13 mm of rainfall in Quilpie, one of the drier months. The wettest on record was 107 mm in 2016.
The hottest September reached 41.7°C in 2017. The coldest dipped to 2.4°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.8°C. Daytime highs moved from 27.1°C to 29°C and overnight lows from 10.8°C to 12.4°C over the same span.
September is one of the cooler months of the year in Quilpie and one of the drier months, so plan for around 28.3°C daytime highs and 11.7°C at night.
Not quite — September is the 5th coolest month in Quilpie, averaging 20°C.
For September in Quilpie, pack light layers you can adjust through the day, with typical highs of 28.3°C and lows of 11.7°C.
Relative humidity in September averages 38% — relatively dry.
Average wind speed in September is 3.1 m/s. The windiest September on record averaged 3.5 m/s (2020).
The wettest September on record was 2016 with 107 mm. On average, September sees 13 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 Quilpie 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.
