September is one of the cooler months of the year in Mount Magnet, with average highs near 25.7°C and lows around 9.2°C (mean 17.5°C). It is one of the drier months, averaging 10 mm of rainfall and 46% relative humidity across the period.
September is one of the cooler months of the year in Mount Magnet. Across 45 years of records, the warmest September in Mount Magnet was 2023 — when the month averaged 21.5°C — while the coldest was 1992 at 14.1°C. Typical September days reach 25.7°C with nights near 9.2°C. The long-term trend is warming, about 0.2°C per decade.
September is one of the drier months in Mount Magnet, averaging 10 mm of rainfall. The wettest September on record was 2022 with 41 mm, while the driest were 1988, 1989 and 2020 at 0 mm.
Relative humidity in Mount Magnet during September averages 46%. The most humid September was 1992 at 66%, and the least humid was 1987 at 35%.
September receives about 6 kWh/m²/day of solar energy in Mount Magnet. The sunniest Septembers were 2015, 2016 and 2019, among others at 6.3 kWh/m²/day, and the cloudiest was 1992 at 5.2.
Average wind speed in Mount Magnet during September is 3.4 m/s. The windiest Septembers were 2006, 2021 and 2022, among others at 3.8 m/s, while the calmest was 1986 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.7°C | 16.8°C | 17.1°C | 17.6°C | 18.5°C | +0.8°C |
| Avg High | 26.0°C | 24.9°C | 25.5°C | 25.9°C | 26.6°C | +0.6°C |
| Avg Low | 9.4°C | 8.8°C | 8.7°C | 9.4°C | 10.4°C | +1°C |
| Avg Rain | 11 mm | 10 mm | 9 mm | 8 mm | 10 mm | -1 mm |
September temperatures in Mount Magnet have risen by about 0.6°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 2.3°C (1991) to a record high of 37.3°C (2023).
Rainfall in September is one of the drier months, averaging 10 mm, with a wettest year of 41 mm.
One of the best times to visit Mount Magnet
September is one of the best times to visit Mount Magnet. Expect days averaging 25.7°C and nights around 9.2°C (mean 17.5°C) — cooler than Mount Magnet's yearly average — with low rainfall (10 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 | 25.3°C | 17.1°C | 8.9°C | 32.1°C | 3.8°C | 6 mm | 44% | 3.6 m/s | 6.1 |
| 2024 | 27.0°C | 19.1°C | 11.1°C | 33.2°C | 3.4°C | 8 mm | 42% | 3.7 m/s | 6.2 |
| 2023 🔥 | 30.1°C | 21.5°C | 13.0°C | 37.3°C | 5.9°C | 2 mm | 41% | 3.5 m/s | 6 |
| 2022 🌧️ | 23.9°C | 16.8°C | 9.7°C | 30.4°C | 6.8°C | 41 mm | 51% | 3.8 m/s | 5.3 |
| 2021 | 25.7°C | 17.1°C | 8.6°C | 32.7°C | 3.1°C | 2 mm | 39% | 3.8 m/s | 6.1 |
| 2020 | 27.5°C | 19.2°C | 10.9°C | 36.0°C | 5.4°C | 0 mm | 42% | 3.4 m/s | 6.2 |
| 2019 | 29.0°C | 20.4°C | 11.9°C | 35.7°C | 5.8°C | 1 mm | 35% | 3.2 m/s | 6.3 |
| 2018 | 26.2°C | 17.6°C | 9.0°C | 32.6°C | 4.3°C | 4 mm | 41% | 3.6 m/s | 6.2 |
| 2017 | 25.5°C | 17.6°C | 9.8°C | 35.5°C | 3.3°C | 11 mm | 46% | 3.7 m/s | 5.7 |
| 2016 | 23.0°C | 14.8°C | 6.7°C | 29.7°C | 3.6°C | 1 mm | 48% | 3.5 m/s | 6.3 |
| 2015 | 27.3°C | 18.4°C | 9.6°C | 34.7°C | 2.6°C | 2 mm | 37% | 3.3 m/s | 6.3 |
| 2014 | 28.1°C | 19.9°C | 11.7°C | 34.7°C | 6.2°C | 18 mm | 45% | 3.6 m/s | 5.6 |
| 2013 | 25.1°C | 17.4°C | 9.7°C | 31.6°C | 5.5°C | 11 mm | 54% | 3.4 m/s | 5.9 |
| 2012 | 26.2°C | 18.0°C | 9.8°C | 33.1°C | 4.1°C | 7 mm | 44% | 3.7 m/s | 6 |
| 2011 | 24.2°C | 15.8°C | 7.5°C | 30.1°C | 4.6°C | 16 mm | 52% | 3.2 m/s | 6.1 |
| 2010 | 24.3°C | 16.2°C | 8.1°C | 33.4°C | 2.4°C | 11 mm | 46% | 3.3 m/s | 6.2 |
| 2009 | 23.7°C | 15.4°C | 7.2°C | 27.9°C | 4.2°C | 8 mm | 51% | 3.4 m/s | 6 |
| 2008 | 25.5°C | 17.1°C | 8.8°C | 34.8°C | 4.3°C | 6 mm | 48% | 3.5 m/s | 5.8 |
| 2007 | 26.7°C | 17.9°C | 9.1°C | 33.5°C | 5.1°C | 7 mm | 43% | 3.2 m/s | 6.3 |
| 2006 | 26.7°C | 18.7°C | 10.7°C | 35.2°C | 7.0°C | 26 mm | 49% | 3.8 m/s | 5.7 |
| 2005 | 24.2°C | 16.0°C | 7.8°C | 32.5°C | 3.2°C | 13 mm | 51% | 3.5 m/s | 6 |
| 2004 | 25.0°C | 16.8°C | 8.7°C | 32.7°C | 2.8°C | 5 mm | 45% | 3.3 m/s | 5.7 |
| 2003 | 25.0°C | 16.8°C | 8.7°C | 33.9°C | 5.3°C | 10 mm | 51% | 3.6 m/s | 5.8 |
| 2002 | 25.8°C | 17.0°C | 8.2°C | 35.5°C | 4.0°C | 8 mm | 41% | 3.5 m/s | 6.2 |
| 2001 | 25.8°C | 17.3°C | 8.7°C | 34.6°C | 3.1°C | 8 mm | 46% | 3.4 m/s | 6 |
| 2000 | 26.9°C | 18.0°C | 9.2°C | 32.5°C | 3.2°C | 4 mm | 46% | 3 m/s | 6.1 |
| 1999 | 25.2°C | 17.3°C | 9.4°C | 33.0°C | 3.8°C | 8 mm | 48% | 3.7 m/s | 5.7 |
| 1998 | 24.0°C | 16.1°C | 8.3°C | 30.4°C | 3.4°C | 4 mm | 53% | 3.7 m/s | 5.9 |
| 1997 | 25.1°C | 16.9°C | 8.7°C | 30.7°C | 4.3°C | 12 mm | 53% | 3 m/s | 6.2 |
| 1996 | 24.3°C | 16.5°C | 8.6°C | 31.6°C | 4.9°C | 11 mm | 58% | 3.8 m/s | 5.9 |
| 1995 | 26.3°C | 18.2°C | 10.1°C | 32.6°C | 4.5°C | 7 mm | 49% | 3.3 m/s | 5.8 |
| 1994 | 28.3°C | 19.5°C | 10.7°C | 34.9°C | 5.3°C | 2 mm | 38% | 3.5 m/s | 6.1 |
| 1993 | 23.2°C | 15.4°C | 7.5°C | 29.1°C | 2.4°C | 11 mm | 53% | 3.2 m/s | 5.9 |
| 1992 ❄️ | 21.2°C | 14.1°C | 7.1°C | 28.5°C | 4.0°C | 38 mm | 66% | 3.3 m/s | 5.2 |
| 1991 | 25.8°C | 17.4°C | 8.9°C | 35.4°C | 2.3°C | 2 mm | 46% | 3.3 m/s | 6.2 |
| 1990 | 25.7°C | 17.0°C | 8.3°C | 33.8°C | 3.2°C | 6 mm | 43% | 3.4 m/s | 6.2 |
| 1989 | 26.2°C | 17.6°C | 9.1°C | 32.6°C | 6.0°C | 0 mm | 45% | 3.2 m/s | 6.3 |
| 1988 | 26.0°C | 17.5°C | 9.0°C | 32.5°C | 5.3°C | 0 mm | 47% | 3.1 m/s | 5.9 |
| 1987 | 26.9°C | 18.3°C | 9.7°C | 35.6°C | 4.2°C | 1 mm | 35% | 3.4 m/s | 6.2 |
| 1986 | 24.7°C | 16.8°C | 9.0°C | 29.8°C | 3.4°C | 24 mm | 50% | 2.9 m/s | 5.9 |
| 1985 | 26.1°C | 17.8°C | 9.5°C | 32.2°C | 2.8°C | 2 mm | 45% | 3.6 m/s | 6.3 |
| 1984 | 23.2°C | 15.3°C | 7.5°C | 28.4°C | 4.9°C | 38 mm | 51% | 3.5 m/s | 5.9 |
| 1983 | 27.2°C | 18.9°C | 10.7°C | 36.6°C | 6.7°C | 16 mm | 47% | 3.5 m/s | — |
| 1982 | 25.6°C | 17.4°C | 9.2°C | 33.7°C | 4.2°C | 14 mm | 44% | 3.7 m/s | — |
| 1981 | 27.9°C | 19.3°C | 10.6°C | 33.7°C | 5.2°C | 1 mm | 44% | 3.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 25.7°C with lows near 9.2°C (mean 17.5°C), based on 45 years of NASA POWER data.
September averages 10 mm of rainfall in Mount Magnet, one of the drier months. The wettest on record was 41 mm in 2022.
The hottest September reached 37.3°C in 2023. The coldest dipped to 2.3°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.6°C. Daytime highs moved from 26°C to 26.4°C and overnight lows from 9.5°C to 10.3°C over the same span.
September is one of the cooler months of the year in Mount Magnet and one of the drier months, so plan for around 25.7°C daytime highs and 9.2°C at night.
Not quite — September is the 4th coolest month in Mount Magnet, averaging 17.5°C.
For September in Mount Magnet, pack light layers you can adjust through the day, with typical highs of 25.7°C and lows of 9.2°C.
Relative humidity in September averages 46% — relatively dry.
Average wind speed in September is 3.4 m/s. The windiest September on record averaged 3.8 m/s (1996).
The wettest September on record was 2022 with 41 mm. On average, September sees 10 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 Mount Magnet 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.
