September is one of the cooler months of the year in Charters Towers, with average highs near 31.5°C and lows around 15.2°C (mean 23.4°C). It is one of the drier months, averaging 8 mm of rainfall and 56% relative humidity across the period.
September is one of the cooler months of the year in Charters Towers. Across 45 years of records, the warmest September in Charters Towers was 2016 — when the month averaged 25.4°C — while the coldest was 1990 at 20.4°C. Typical September days reach 31.5°C with nights near 15.2°C. The long-term trend is warming, about 0.3°C per decade.
September is one of the drier months in Charters Towers, averaging 8 mm of rainfall. The wettest September on record was 2010 with 72 mm, while the driest were 1991, 2000 and 2019, among others at 0 mm.
Relative humidity in Charters Towers during September averages 56%. The most humid September was 1998 at 77%, and the least humid was 1985 at 45%.
September receives about 6.5 kWh/m²/day of solar energy in Charters Towers. The sunniest September was 2019 at 7.1 kWh/m²/day, and the cloudiest was 2010 at 5.2.
Average wind speed in Charters Towers during September is 2.9 m/s. The windiest September was 2020 at 3.4 m/s, while the calmest was 2007 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.9°C | 23.0°C | 23.3°C | 23.7°C | 24.1°C | +1.2°C |
| Avg High | 31.2°C | 31.1°C | 31.7°C | 31.9°C | 31.9°C | +0.7°C |
| Avg Low | 14.6°C | 15.0°C | 15.0°C | 15.6°C | 16.2°C | +1.6°C |
| Avg Rain | 5 mm | 9 mm | 8 mm | 11 mm | 1 mm | -4 mm |
September temperatures in Charters Towers have risen by about 1.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 6.7°C (1995) to a record high of 39.5°C (1996).
Rainfall in September is one of the drier months, averaging 8 mm, with a wettest year of 72 mm.
One of the best times to visit Charters Towers
September is one of the best times to visit Charters Towers. Expect days averaging 31.5°C and nights around 15.2°C (mean 23.4°C) — close to Charters Towers's yearly average — with low rainfall (8 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 | 32.3°C | 24.4°C | 16.5°C | 37.0°C | 11.8°C | 2 mm | 57% | 2.9 m/s | 6.3 |
| 2024 | 32.3°C | 24.4°C | 16.5°C | 37.1°C | 13.9°C | 1 mm | 57% | 3.1 m/s | 6.1 |
| 2023 | 32.0°C | 23.8°C | 15.6°C | 35.8°C | 12.4°C | 0 mm | 57% | 3.3 m/s | 6.7 |
| 2022 | 33.0°C | 25.2°C | 17.4°C | 37.0°C | 10.1°C | 3 mm | 57% | 2.7 m/s | 6.1 |
| 2021 | 30.0°C | 22.3°C | 14.5°C | 34.4°C | 9.7°C | 0 mm | 60% | 3.2 m/s | 6.5 |
| 2020 | 32.0°C | 24.3°C | 16.6°C | 35.6°C | 12.9°C | 1 mm | 60% | 3.4 m/s | 6.5 |
| 2019 | 31.9°C | 23.0°C | 14.2°C | 36.5°C | 9.2°C | 0 mm | 49% | 3 m/s | 7.1 |
| 2018 | 32.0°C | 23.7°C | 15.4°C | 34.9°C | 11.8°C | 0 mm | 52% | 3 m/s | 7 |
| 2017 | 32.7°C | 23.8°C | 15.0°C | 37.6°C | 11.5°C | 1 mm | 54% | 2.8 m/s | 7 |
| 2016 🔥 | 32.9°C | 25.4°C | 18.0°C | 37.6°C | 14.4°C | 3 mm | 57% | 2.9 m/s | 5.8 |
| 2015 | 31.3°C | 23.4°C | 15.5°C | 34.4°C | 12.2°C | 2 mm | 52% | 2.6 m/s | 6.6 |
| 2014 | 31.4°C | 23.1°C | 14.8°C | 34.2°C | 7.6°C | 15 mm | 56% | 2.5 m/s | 6.5 |
| 2013 | 33.9°C | 25.0°C | 16.0°C | 38.4°C | 12.7°C | 0 mm | 53% | 3 m/s | 6.8 |
| 2012 | 30.8°C | 22.9°C | 15.1°C | 35.7°C | 10.3°C | 13 mm | 63% | 2.6 m/s | 6.5 |
| 2011 | 30.6°C | 22.1°C | 13.7°C | 36.1°C | 8.5°C | 1 mm | 55% | 3 m/s | 6.8 |
| 2010 🌧️ | 31.3°C | 24.9°C | 18.6°C | 34.8°C | 14.5°C | 72 mm | 73% | 2.9 m/s | 5.2 |
| 2009 | 33.0°C | 24.1°C | 15.3°C | 35.4°C | 11.1°C | 2 mm | 48% | 2.7 m/s | 6.8 |
| 2008 | 30.7°C | 23.3°C | 15.8°C | 36.3°C | 11.8°C | 26 mm | 66% | 2.7 m/s | 6.4 |
| 2007 | 31.6°C | 23.4°C | 15.2°C | 36.4°C | 12.3°C | 11 mm | 60% | 2.4 m/s | 6.3 |
| 2006 | 29.4°C | 21.8°C | 14.2°C | 33.1°C | 7.4°C | 37 mm | 60% | 3.1 m/s | 6.5 |
| 2005 | 31.3°C | 23.0°C | 14.6°C | 36.4°C | 10.2°C | 0 mm | 58% | 2.7 m/s | 6.7 |
| 2004 | 30.8°C | 22.8°C | 14.9°C | 35.4°C | 11.1°C | 6 mm | 55% | 3 m/s | 6.6 |
| 2003 | 32.6°C | 23.7°C | 14.8°C | 37.6°C | 8.6°C | 0 mm | 49% | 3 m/s | 6.9 |
| 2002 | 32.8°C | 23.8°C | 14.8°C | 36.3°C | 11.1°C | 0 mm | 51% | 2.7 m/s | 6.9 |
| 2001 | 32.3°C | 24.0°C | 15.7°C | 36.1°C | 10.8°C | 1 mm | 51% | 3.1 m/s | 6.4 |
| 2000 | 32.3°C | 23.5°C | 14.6°C | 36.5°C | 11.4°C | 0 mm | 51% | 3 m/s | 6.9 |
| 1999 | 31.3°C | 23.3°C | 15.2°C | 35.3°C | 12.2°C | 9 mm | 57% | 3.1 m/s | 6.6 |
| 1998 | 28.4°C | 22.5°C | 16.6°C | 31.5°C | 10.9°C | 23 mm | 77% | 2.8 m/s | 5.9 |
| 1997 | 32.0°C | 23.8°C | 15.5°C | 38.1°C | 11.2°C | 12 mm | 59% | 2.6 m/s | 6.5 |
| 1996 | 32.3°C | 22.9°C | 13.6°C | 39.5°C | 7.5°C | 5 mm | 48% | 3.1 m/s | 6.7 |
| 1995 | 30.8°C | 22.8°C | 14.7°C | 35.5°C | 6.7°C | 1 mm | 59% | 2.9 m/s | 6.5 |
| 1994 | 31.3°C | 22.8°C | 14.3°C | 37.1°C | 9.1°C | 2 mm | 52% | 2.6 m/s | 6.6 |
| 1993 | 30.3°C | 23.1°C | 15.9°C | 35.2°C | 12.6°C | 22 mm | 63% | 3.1 m/s | 6.1 |
| 1992 | 32.8°C | 25.1°C | 17.3°C | 37.6°C | 10.1°C | 18 mm | 56% | 2.6 m/s | 6.3 |
| 1991 | 32.7°C | 23.6°C | 14.6°C | 36.3°C | 11.2°C | 0 mm | 46% | 2.6 m/s | 6.9 |
| 1990 ❄️ | 28.7°C | 20.4°C | 12.2°C | 31.4°C | 7.6°C | 0 mm | 56% | 3.1 m/s | 6.7 |
| 1989 | 32.0°C | 23.2°C | 14.5°C | 38.6°C | 9.0°C | 0 mm | 52% | 2.6 m/s | 6.9 |
| 1988 | 31.4°C | 23.0°C | 14.6°C | 39.2°C | 8.8°C | 0 mm | 57% | 2.9 m/s | 6.6 |
| 1987 | 30.4°C | 22.4°C | 14.5°C | 34.1°C | 10.5°C | 6 mm | 58% | 2.8 m/s | 6.3 |
| 1986 | 31.8°C | 23.8°C | 15.9°C | 37.5°C | 11.5°C | 19 mm | 55% | 2.8 m/s | 6.3 |
| 1985 | 30.7°C | 21.9°C | 13.0°C | 35.6°C | 6.8°C | 0 mm | 45% | 2.8 m/s | 6.9 |
| 1984 | 31.1°C | 23.0°C | 14.9°C | 34.3°C | 6.8°C | 13 mm | 54% | 2.5 m/s | 6.4 |
| 1983 | 32.7°C | 24.5°C | 16.3°C | 37.6°C | 11.8°C | 2 mm | 60% | 2.9 m/s | — |
| 1982 | 30.3°C | 22.0°C | 13.8°C | 36.6°C | 10.6°C | 6 mm | 54% | 3 m/s | — |
| 1981 | 30.2°C | 22.1°C | 14.0°C | 36.7°C | 9.0°C | 2 mm | 59% | 3.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.5°C with lows near 15.2°C (mean 23.4°C), based on 45 years of NASA POWER data.
September averages 8 mm of rainfall in Charters Towers, one of the drier months. The wettest on record was 72 mm in 2010.
The hottest September reached 39.5°C in 1996. The coldest dipped to 6.7°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.3°C. Daytime highs moved from 31°C to 31.9°C and overnight lows from 14.4°C to 16.1°C over the same span.
September is one of the cooler months of the year in Charters Towers and one of the drier months, so plan for around 31.5°C daytime highs and 15.2°C at night.
Not quite — September is the 5th coolest month in Charters Towers, averaging 23.4°C.
For September in Charters Towers, pack light, breathable clothing and sun protection, with typical highs of 31.5°C and lows of 15.2°C.
Relative humidity in September averages 56% — moderately humid.
Average wind speed in September is 2.9 m/s. The windiest September on record averaged 3.4 m/s (2020).
The wettest September on record was 2010 with 72 mm. On average, September sees 8 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 Charters Towers 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.
