September is one of the cooler months of the year in Charleville, with average highs near 27.8°C and lows around 11.3°C (mean 19.6°C). It is one of the drier months, averaging 21 mm of rainfall and 40% relative humidity across the period.
September is one of the cooler months of the year in Charleville. Across 45 years of records, the warmest September in Charleville was 2013 — when the month averaged 22.9°C — while the coldest was 1984 at 16.2°C. Typical September days reach 27.8°C with nights near 11.3°C. The long-term trend is warming, about 0.4°C per decade.
September is one of the drier months in Charleville, averaging 21 mm of rainfall. The wettest September on record was 2016 with 128 mm, while the driest were 1991, 2017 and 2023 at 0 mm.
Relative humidity in Charleville during September averages 40%. The most humid September was 2016 at 69%, and the least humid was 2017 at 26%.
September receives about 6.1 kWh/m²/day of solar energy in Charleville. The sunniest September was 1989 at 6.6 kWh/m²/day, and the cloudiest was 2010 at 4.8.
Average wind speed in Charleville during September is 2.9 m/s. The windiest September was 2021 at 3.3 m/s, while the calmest was 2010 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.6°C | 19.2°C | 20.3°C | 19.5°C | 20.5°C | +1.9°C |
| Avg High | 26.8°C | 27.3°C | 28.7°C | 27.7°C | 28.7°C | +1.9°C |
| Avg Low | 10.4°C | 11.0°C | 11.9°C | 11.3°C | 12.4°C | +2°C |
| Avg Rain | 10 mm | 25 mm | 17 mm | 30 mm | 24 mm | +13 mm |
September temperatures in Charleville have risen by about 1.8°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 1.9°C (2004) to a record high of 40.9°C (2017).
Rainfall in September is one of the drier months, averaging 21 mm, with a wettest year of 128 mm.
One of the best times to visit Charleville
September is one of the best times to visit Charleville. Expect days averaging 27.8°C and nights around 11.3°C (mean 19.6°C) — cooler than Charleville's yearly average — with low rainfall (21 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 | 29.0°C | 20.6°C | 12.3°C | 37.3°C | 4.4°C | 4 mm | 39% | 2.9 m/s | 5.9 |
| 2024 | 29.3°C | 20.9°C | 12.4°C | 35.4°C | 6.4°C | 2 mm | 37% | 3.1 m/s | 6.2 |
| 2023 | 30.8°C | 22.1°C | 13.5°C | 35.9°C | 6.2°C | 0 mm | 28% | 2.8 m/s | 6.5 |
| 2022 | 25.1°C | 17.9°C | 10.7°C | 32.3°C | 7.0°C | 90 mm | 56% | 2.7 m/s | 5.3 |
| 2021 | 28.3°C | 19.9°C | 11.5°C | 33.4°C | 4.8°C | 36 mm | 38% | 3.3 m/s | 6.3 |
| 2020 | 29.7°C | 21.7°C | 13.7°C | 37.0°C | 6.3°C | 11 mm | 38% | 3.2 m/s | 6.2 |
| 2019 | 29.1°C | 20.3°C | 11.5°C | 34.0°C | 4.3°C | 2 mm | 27% | 2.8 m/s | 6.3 |
| 2018 | 28.8°C | 20.1°C | 11.3°C | 34.9°C | 5.2°C | 0 mm | 30% | 3 m/s | 6.4 |
| 2017 | 30.8°C | 21.6°C | 12.4°C | 40.9°C | 6.0°C | 0 mm | 26% | 3 m/s | 6.5 |
| 2016 🌧️ | 23.4°C | 16.7°C | 10.0°C | 28.2°C | 5.6°C | 128 mm | 69% | 2.8 m/s | 5 |
| 2015 | 26.9°C | 18.6°C | 10.3°C | 32.7°C | 5.4°C | 10 mm | 41% | 2.8 m/s | 6.3 |
| 2014 | 26.4°C | 18.3°C | 10.2°C | 34.1°C | 4.1°C | 20 mm | 44% | 2.9 m/s | 6.1 |
| 2013 🔥 | 31.8°C | 22.9°C | 13.9°C | 39.0°C | 9.7°C | 5 mm | 29% | 2.8 m/s | 6.2 |
| 2012 | 28.2°C | 19.6°C | 11.0°C | 36.0°C | 3.9°C | 11 mm | 39% | 2.7 m/s | 6.1 |
| 2011 | 27.2°C | 19.0°C | 10.8°C | 33.7°C | 4.3°C | 47 mm | 41% | 2.9 m/s | 6.1 |
| 2010 | 24.3°C | 17.8°C | 11.2°C | 30.1°C | 6.1°C | 72 mm | 64% | 2.6 m/s | 4.8 |
| 2009 | 28.7°C | 20.2°C | 11.7°C | 37.4°C | 6.4°C | 21 mm | 36% | 2.8 m/s | 6.1 |
| 2008 | 27.4°C | 19.7°C | 12.0°C | 34.2°C | 7.4°C | 58 mm | 51% | 2.9 m/s | 5.6 |
| 2007 | 28.7°C | 20.0°C | 11.4°C | 37.1°C | 8.0°C | 5 mm | 35% | 2.8 m/s | 6.2 |
| 2006 | 28.4°C | 20.2°C | 12.1°C | 34.3°C | 4.2°C | 2 mm | 40% | 3 m/s | 6.2 |
| 2005 | 28.9°C | 20.7°C | 12.5°C | 36.4°C | 5.8°C | 10 mm | 41% | 2.7 m/s | 6 |
| 2004 | 27.3°C | 18.9°C | 10.5°C | 36.3°C | 1.9°C | 58 mm | 42% | 2.7 m/s | 6.1 |
| 2003 | 29.8°C | 20.6°C | 11.5°C | 36.5°C | 2.7°C | 1 mm | 30% | 2.9 m/s | 6.5 |
| 2002 | 29.6°C | 21.1°C | 12.6°C | 37.6°C | 5.6°C | 5 mm | 28% | 3.2 m/s | 5.9 |
| 2001 | 27.8°C | 19.7°C | 11.5°C | 33.3°C | 5.8°C | 7 mm | 39% | 2.9 m/s | 6 |
| 2000 | 30.6°C | 21.8°C | 13.1°C | 38.4°C | 6.7°C | 1 mm | 32% | 2.7 m/s | 6.3 |
| 1999 | 28.5°C | 20.4°C | 12.4°C | 33.3°C | 5.7°C | 5 mm | 39% | 3 m/s | 6.2 |
| 1998 | 27.0°C | 19.8°C | 12.7°C | 33.0°C | 5.8°C | 70 mm | 61% | 3 m/s | 5.6 |
| 1997 | 28.4°C | 20.2°C | 12.0°C | 34.8°C | 6.3°C | 39 mm | 41% | 2.8 m/s | 6.2 |
| 1996 | 28.4°C | 19.5°C | 10.5°C | 35.3°C | 3.8°C | 24 mm | 36% | 3 m/s | 6.3 |
| 1995 | 28.0°C | 19.9°C | 11.8°C | 32.1°C | 2.1°C | 37 mm | 41% | 2.9 m/s | 5.6 |
| 1994 | 27.3°C | 18.2°C | 9.1°C | 33.5°C | 4.6°C | 2 mm | 28% | 2.9 m/s | 6.4 |
| 1993 | 25.2°C | 17.9°C | 10.7°C | 35.0°C | 5.4°C | 53 mm | 52% | 3.2 m/s | 5.6 |
| 1992 | 26.1°C | 17.8°C | 9.6°C | 33.6°C | 4.9°C | 15 mm | 38% | 2.9 m/s | 5.9 |
| 1991 | 28.6°C | 20.0°C | 11.3°C | 34.1°C | 4.6°C | 0 mm | 26% | 3 m/s | 6.3 |
| 1990 | 25.6°C | 17.8°C | 9.9°C | 32.8°C | 4.2°C | 4 mm | 51% | 2.8 m/s | 6.2 |
| 1989 | 26.4°C | 17.6°C | 8.8°C | 33.7°C | 4.2°C | 0 mm | 42% | 2.8 m/s | 6.6 |
| 1988 | 27.3°C | 19.3°C | 11.3°C | 37.9°C | 5.3°C | 26 mm | 50% | 3.2 m/s | 5.9 |
| 1987 | 27.1°C | 18.7°C | 10.4°C | 31.9°C | 3.7°C | 5 mm | 40% | 2.7 m/s | 5.9 |
| 1986 | 27.6°C | 19.2°C | 10.8°C | 35.1°C | 2.7°C | 26 mm | 40% | 2.9 m/s | 6 |
| 1985 | 25.4°C | 17.2°C | 9.1°C | 33.9°C | 3.1°C | 3 mm | 40% | 3 m/s | 6.4 |
| 1984 ❄️ | 24.4°C | 16.2°C | 7.9°C | 32.5°C | 3.1°C | 11 mm | 42% | 2.7 m/s | 6.3 |
| 1983 | 28.4°C | 20.5°C | 12.5°C | 33.4°C | 6.3°C | 8 mm | 51% | 3 m/s | — |
| 1982 | 26.4°C | 18.5°C | 10.6°C | 35.3°C | 4.1°C | 13 mm | 36% | 2.9 m/s | — |
| 1981 | 28.6°C | 20.2°C | 11.9°C | 35.8°C | 2.2°C | 2 mm | 42% | 2.7 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 27.8°C with lows near 11.3°C (mean 19.6°C), based on 45 years of NASA POWER data.
September averages 21 mm of rainfall in Charleville, one of the drier months. The wettest on record was 128 mm in 2016.
The hottest September reached 40.9°C in 2017. The coldest dipped to 1.9°C in 2004.
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 26.6°C to 28.5°C and overnight lows from 10.4°C to 12.1°C over the same span.
September is one of the cooler months of the year in Charleville and one of the drier months, so plan for around 27.8°C daytime highs and 11.3°C at night.
Not quite — September is the 5th coolest month in Charleville, averaging 19.6°C.
For September in Charleville, pack light layers you can adjust through the day, with typical highs of 27.8°C and lows of 11.3°C.
Relative humidity in September averages 40% — relatively dry.
Average wind speed in September is 2.9 m/s. The windiest September on record averaged 3.3 m/s (2021).
The wettest September on record was 2016 with 128 mm. On average, September sees 21 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 Charleville 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.
