September is one of the cooler months of the year in Bundaberg, with average highs near 24.4°C and lows around 16.7°C (mean 20.5°C). It is one of the drier months, averaging 35 mm of rainfall and 69% relative humidity across the period.
September is one of the cooler months of the year in Bundaberg. Across 45 years of records, the warmest September in Bundaberg was 2013 — when the month averaged 22.7°C — while the coldest was 1990 at 18.9°C. Typical September days reach 24.4°C with nights near 16.7°C. The long-term trend is warming, about 0.3°C per decade.
September is one of the drier months in Bundaberg, averaging 35 mm of rainfall. The wettest September on record was 2010 with 132 mm, while the driest was 2019 at 3 mm.
Relative humidity in Bundaberg during September averages 69%. The most humid September was 2010 at 78%, and the least humid was 1991 at 58%.
September receives about 5.8 kWh/m²/day of solar energy in Bundaberg. The sunniest September was 2019 at 6.3 kWh/m²/day, and the cloudiest was 2010 at 4.5.
Average wind speed in Bundaberg during September is 3.1 m/s. The windiest Septembers were 1999 and 2013 at 3.5 m/s, while the calmest was 2010 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.0°C | 20.4°C | 20.7°C | 20.9°C | 21.1°C | +1.1°C |
| Avg High | 23.9°C | 24.2°C | 24.6°C | 24.8°C | 24.7°C | +0.8°C |
| Avg Low | 16.1°C | 16.4°C | 16.8°C | 17.0°C | 17.3°C | +1.2°C |
| Avg Rain | 27 mm | 48 mm | 30 mm | 36 mm | 30 mm | +3 mm |
September temperatures in Bundaberg have risen by about 1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 9.4°C (2011) to a record high of 32.8°C (2017).
Rainfall in September is one of the drier months, averaging 35 mm, with a wettest year of 132 mm.
One of the best times to visit Bundaberg
September is one of the best times to visit Bundaberg. Expect days averaging 24.4°C and nights around 16.7°C (mean 20.5°C) — cooler than Bundaberg's yearly average — with moderate rainfall (35 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 | 24.9°C | 21.2°C | 17.4°C | 28.7°C | 13.0°C | 19 mm | 72% | 2.8 m/s | 5.7 |
| 2024 | 25.4°C | 21.7°C | 18.0°C | 28.8°C | 14.8°C | 20 mm | 69% | 3.2 m/s | 5.7 |
| 2023 | 25.2°C | 21.6°C | 18.0°C | 29.7°C | 15.6°C | 10 mm | 67% | 3.4 m/s | 6 |
| 2022 | 24.2°C | 20.4°C | 16.6°C | 27.5°C | 13.3°C | 70 mm | 73% | 2.6 m/s | 5.1 |
| 2021 | 24.2°C | 20.3°C | 16.4°C | 27.3°C | 11.3°C | 19 mm | 65% | 3.2 m/s | 5.9 |
| 2020 | 24.4°C | 21.1°C | 17.7°C | 27.3°C | 13.7°C | 39 mm | 71% | 3.3 m/s | 5.5 |
| 2019 | 26.0°C | 21.4°C | 16.8°C | 31.1°C | 12.0°C | 3 mm | 62% | 2.8 m/s | 6.3 |
| 2018 | 24.5°C | 20.7°C | 17.0°C | 28.7°C | 13.8°C | 44 mm | 67% | 3.1 m/s | 6 |
| 2017 | 26.3°C | 21.9°C | 17.6°C | 32.8°C | 12.6°C | 4 mm | 64% | 3.1 m/s | 6.2 |
| 2016 | 25.1°C | 21.5°C | 17.9°C | 28.1°C | 13.6°C | 53 mm | 69% | 3.1 m/s | 5.4 |
| 2015 | 24.1°C | 20.2°C | 16.2°C | 26.7°C | 11.0°C | 39 mm | 67% | 3.1 m/s | 6 |
| 2014 | 23.8°C | 20.1°C | 16.4°C | 26.8°C | 10.6°C | 34 mm | 68% | 3 m/s | 5.8 |
| 2013 🔥 | 26.5°C | 22.7°C | 18.9°C | 30.4°C | 16.1°C | 14 mm | 70% | 3.5 m/s | 5.8 |
| 2012 | 24.0°C | 20.2°C | 16.4°C | 28.1°C | 11.7°C | 20 mm | 70% | 2.9 m/s | 5.8 |
| 2011 | 23.5°C | 19.3°C | 15.1°C | 27.0°C | 9.4°C | 18 mm | 69% | 3 m/s | 5.8 |
| 2010 🌧️ | 23.8°C | 20.9°C | 18.1°C | 25.6°C | 15.5°C | 132 mm | 78% | 2.5 m/s | 4.5 |
| 2009 | 25.5°C | 21.2°C | 17.0°C | 29.4°C | 13.1°C | 47 mm | 65% | 2.9 m/s | 6.2 |
| 2008 | 23.9°C | 20.5°C | 17.1°C | 29.3°C | 12.8°C | 43 mm | 75% | 2.9 m/s | 5.7 |
| 2007 | 23.3°C | 19.9°C | 16.5°C | 27.2°C | 12.8°C | 76 mm | 77% | 3.2 m/s | 5.7 |
| 2006 | 23.6°C | 20.3°C | 16.9°C | 27.0°C | 12.4°C | 30 mm | 71% | 3.2 m/s | 5.7 |
| 2005 | 24.6°C | 20.8°C | 16.9°C | 27.4°C | 12.1°C | 10 mm | 67% | 3 m/s | 6 |
| 2004 | 24.0°C | 20.1°C | 16.3°C | 28.1°C | 11.5°C | 29 mm | 68% | 2.8 m/s | 6 |
| 2003 | 25.9°C | 21.4°C | 16.8°C | 29.1°C | 11.7°C | 8 mm | 67% | 3.1 m/s | 6.1 |
| 2002 | 24.9°C | 20.9°C | 16.8°C | 28.0°C | 12.7°C | 10 mm | 70% | 3.2 m/s | 6.2 |
| 2001 | 24.4°C | 20.5°C | 16.7°C | 27.4°C | 12.7°C | 47 mm | 69% | 3.3 m/s | 5.7 |
| 2000 | 25.5°C | 21.2°C | 17.0°C | 28.4°C | 13.3°C | 4 mm | 65% | 2.9 m/s | 6.2 |
| 1999 | 23.5°C | 20.2°C | 16.8°C | 25.9°C | 13.2°C | 42 mm | 73% | 3.5 m/s | 5.5 |
| 1998 | 23.6°C | 21.0°C | 18.4°C | 26.3°C | 12.6°C | 128 mm | 78% | 3.3 m/s | 5 |
| 1997 | 25.0°C | 21.3°C | 17.6°C | 28.6°C | 13.2°C | 51 mm | 70% | 3.3 m/s | 5.5 |
| 1996 | 25.0°C | 20.1°C | 15.2°C | 29.5°C | 9.6°C | 77 mm | 65% | 3.2 m/s | 5.8 |
| 1995 | 24.7°C | 20.9°C | 17.0°C | 28.5°C | 10.0°C | 14 mm | 67% | 3.1 m/s | 5.7 |
| 1994 | 24.5°C | 20.0°C | 15.5°C | 28.9°C | 11.3°C | 10 mm | 63% | 3.2 m/s | 6 |
| 1993 | 23.2°C | 19.9°C | 16.6°C | 29.1°C | 12.8°C | 80 mm | 71% | 3.4 m/s | 5.5 |
| 1992 | 24.1°C | 19.9°C | 15.6°C | 27.7°C | 12.0°C | 64 mm | 68% | 2.9 m/s | 5.4 |
| 1991 | 26.0°C | 21.4°C | 16.7°C | 30.1°C | 11.8°C | 4 mm | 58% | 3 m/s | 6.2 |
| 1990 ❄️ | 22.8°C | 18.9°C | 14.9°C | 24.9°C | 10.5°C | 12 mm | 66% | 3.2 m/s | 5.8 |
| 1989 | 23.2°C | 19.1°C | 15.0°C | 28.4°C | 11.3°C | 6 mm | 71% | 2.9 m/s | 5.8 |
| 1988 | 23.8°C | 20.2°C | 16.7°C | 30.2°C | 12.1°C | 30 mm | 73% | 3.1 m/s | 5.8 |
| 1987 | 24.1°C | 20.0°C | 15.9°C | 27.8°C | 9.7°C | 9 mm | 64% | 2.9 m/s | 5.7 |
| 1986 | 24.2°C | 20.4°C | 16.6°C | 27.9°C | 10.9°C | 47 mm | 67% | 3 m/s | 5.5 |
| 1985 | 23.8°C | 19.8°C | 15.7°C | 28.6°C | 10.1°C | 45 mm | 67% | 3.3 m/s | 5.9 |
| 1984 | 23.7°C | 19.2°C | 14.7°C | 27.0°C | 10.4°C | 48 mm | 65% | 2.8 m/s | 5.6 |
| 1983 | 24.1°C | 20.8°C | 17.6°C | 27.1°C | 13.5°C | 11 mm | 78% | 2.9 m/s | — |
| 1982 | 23.6°C | 19.7°C | 15.7°C | 29.0°C | 11.8°C | 36 mm | 70% | 3.2 m/s | — |
| 1981 | 24.5°C | 20.7°C | 17.0°C | 29.9°C | 9.9°C | 8 mm | 67% | 3.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 24.4°C with lows near 16.7°C (mean 20.5°C), based on 45 years of NASA POWER data.
September averages 35 mm of rainfall in Bundaberg, one of the drier months. The wettest on record was 132 mm in 2010.
The hottest September reached 32.8°C in 2017. The coldest dipped to 9.4°C in 2011.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1°C. Daytime highs moved from 23.9°C to 24.8°C and overnight lows from 16.1°C to 17.3°C over the same span.
September is one of the cooler months of the year in Bundaberg and one of the drier months, so plan for around 24.4°C daytime highs and 16.7°C at night.
Not quite — September is the 4th coolest month in Bundaberg, averaging 20.5°C.
For September in Bundaberg, pack light layers you can adjust through the day, with typical highs of 24.4°C and lows of 16.7°C.
Relative humidity in September averages 69% — moderately humid.
Average wind speed in September is 3.1 m/s. The windiest September on record averaged 3.5 m/s (1999).
The wettest September on record was 2010 with 132 mm. On average, September sees 35 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 Bundaberg 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.
