September is one of the cooler months of the year in Meekatharra, with average highs near 27.4°C and lows around 10.4°C (mean 18.9°C). It is one of the drier months, averaging 6 mm of rainfall and 38% relative humidity across the period.
September is one of the cooler months of the year in Meekatharra. Across 45 years of records, the warmest September in Meekatharra was 2023 — when the month averaged 23.2°C — while the coldest was 1992 at 15.5°C. Typical September days reach 27.4°C with nights near 10.4°C. The long-term trend is warming, about 0.2°C per decade.
September is one of the drier months in Meekatharra, averaging 6 mm of rainfall. The wettest September on record was 2022 with 48 mm, while the driest were 2019, 2020 and 2023, among others at 0 mm.
Relative humidity in Meekatharra during September averages 38%. The most humid September was 1992 at 54%, and the least humid was 2019 at 28%.
September receives about 6.4 kWh/m²/day of solar energy in Meekatharra. The sunniest September was 2021 at 6.8 kWh/m²/day, and the cloudiest was 2022 at 5.6.
Average wind speed in Meekatharra during September is 3.5 m/s. The windiest September was 2024 at 3.9 m/s, while the calmest was 1997 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.9°C | 18.2°C | 18.8°C | 19.0°C | 19.8°C | +0.9°C |
| Avg High | 27.5°C | 26.5°C | 27.5°C | 27.5°C | 28.0°C | +0.5°C |
| Avg Low | 10.4°C | 9.8°C | 10.1°C | 10.5°C | 11.6°C | +1.2°C |
| Avg Rain | 10 mm | 3 mm | 4 mm | 4 mm | 10 mm | +0 mm |
September temperatures in Meekatharra have risen by about 0.4°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 2.8°C (2000) to a record high of 38.3°C (2023).
Rainfall in September is one of the drier months, averaging 6 mm, with a wettest year of 48 mm.
One of the best times to visit Meekatharra
September is one of the best times to visit Meekatharra. Expect days averaging 27.4°C and nights around 10.4°C (mean 18.9°C) — cooler than Meekatharra's yearly average — with low rainfall (6 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 | 26.5°C | 18.2°C | 9.9°C | 32.0°C | 4.3°C | 3 mm | 36% | 3.7 m/s | 6.5 |
| 2024 | 28.3°C | 20.5°C | 12.7°C | 35.1°C | 5.5°C | 9 mm | 37% | 3.9 m/s | 6.1 |
| 2023 🔥 | 31.8°C | 23.2°C | 14.6°C | 38.3°C | 7.1°C | 0 mm | 30% | 3.4 m/s | 6.5 |
| 2022 🌧️ | 25.0°C | 17.6°C | 10.3°C | 32.7°C | 6.5°C | 48 mm | 45% | 3.8 m/s | 5.6 |
| 2021 | 27.1°C | 18.4°C | 9.7°C | 33.0°C | 4.3°C | 1 mm | 30% | 3.8 m/s | 6.8 |
| 2020 | 29.5°C | 21.0°C | 12.4°C | 37.6°C | 6.6°C | 0 mm | 33% | 3.5 m/s | 6.5 |
| 2019 | 30.1°C | 21.5°C | 12.9°C | 35.7°C | 6.7°C | 0 mm | 28% | 3.2 m/s | 6.5 |
| 2018 | 28.1°C | 19.2°C | 10.4°C | 34.3°C | 5.4°C | 4 mm | 31% | 3.8 m/s | 6.7 |
| 2017 | 27.2°C | 19.0°C | 10.9°C | 36.0°C | 4.2°C | 5 mm | 38% | 3.8 m/s | 6.2 |
| 2016 | 24.8°C | 16.3°C | 7.7°C | 30.7°C | 4.3°C | 0 mm | 40% | 3.6 m/s | 6.7 |
| 2015 | 28.7°C | 19.8°C | 11.0°C | 34.6°C | 3.7°C | 0 mm | 28% | 3.5 m/s | 6.7 |
| 2014 | 29.8°C | 21.2°C | 12.6°C | 34.8°C | 6.7°C | 2 mm | 35% | 3.6 m/s | 6.2 |
| 2013 | 26.4°C | 18.4°C | 10.5°C | 33.3°C | 6.1°C | 16 mm | 48% | 3.4 m/s | 6.2 |
| 2012 | 28.0°C | 19.6°C | 11.2°C | 34.2°C | 4.9°C | 2 mm | 37% | 3.8 m/s | 6.5 |
| 2011 | 26.3°C | 17.5°C | 8.8°C | 32.3°C | 5.5°C | 4 mm | 41% | 3.6 m/s | 6.5 |
| 2010 | 25.5°C | 17.1°C | 8.8°C | 35.4°C | 3.4°C | 5 mm | 40% | 3.5 m/s | 6.6 |
| 2009 | 26.0°C | 17.2°C | 8.5°C | 31.4°C | 5.1°C | 7 mm | 38% | 3.5 m/s | 6.6 |
| 2008 | 27.1°C | 18.5°C | 9.9°C | 36.4°C | 5.3°C | 1 mm | 40% | 3.5 m/s | 6.6 |
| 2007 | 28.4°C | 19.3°C | 10.2°C | 34.1°C | 6.4°C | 2 mm | 33% | 3.4 m/s | 6.7 |
| 2006 | 29.2°C | 20.8°C | 12.4°C | 35.5°C | 9.3°C | 18 mm | 40% | 3.8 m/s | 6.3 |
| 2005 | 26.5°C | 17.9°C | 9.2°C | 33.5°C | 4.9°C | 2 mm | 40% | 3.5 m/s | 6.4 |
| 2004 | 26.7°C | 18.2°C | 9.8°C | 34.2°C | 3.5°C | 1 mm | 39% | 3.5 m/s | 6.3 |
| 2003 | 26.8°C | 18.3°C | 9.8°C | 35.2°C | 5.4°C | 0 mm | 40% | 3.5 m/s | 6.5 |
| 2002 | 27.5°C | 18.6°C | 9.7°C | 35.1°C | 5.0°C | 3 mm | 32% | 3.7 m/s | 6.6 |
| 2001 | 27.7°C | 19.0°C | 10.3°C | 34.7°C | 3.8°C | 4 mm | 34% | 3.6 m/s | 6.3 |
| 2000 | 28.9°C | 19.8°C | 10.8°C | 34.4°C | 2.8°C | 3 mm | 36% | 3.2 m/s | 6.5 |
| 1999 | 26.9°C | 18.6°C | 10.3°C | 33.7°C | 3.9°C | 2 mm | 40% | 3.7 m/s | 6.3 |
| 1998 | 25.6°C | 17.4°C | 9.3°C | 34.8°C | 3.6°C | 1 mm | 46% | 3.7 m/s | 6.4 |
| 1997 | 26.6°C | 18.1°C | 9.6°C | 32.5°C | 5.2°C | 11 mm | 45% | 2.9 m/s | 6.5 |
| 1996 | 26.2°C | 17.8°C | 9.4°C | 32.5°C | 5.4°C | 1 mm | 49% | 3.6 m/s | 6.4 |
| 1995 | 28.1°C | 20.1°C | 12.0°C | 33.3°C | 6.7°C | 1 mm | 40% | 3.4 m/s | 6.1 |
| 1994 | 29.7°C | 20.8°C | 12.0°C | 35.2°C | 5.9°C | 1 mm | 30% | 3.4 m/s | 6.5 |
| 1993 | 25.1°C | 16.8°C | 8.5°C | 31.4°C | 3.3°C | 2 mm | 44% | 3.5 m/s | 6.5 |
| 1992 ❄️ | 23.0°C | 15.5°C | 8.0°C | 29.7°C | 4.2°C | 10 mm | 54% | 3.2 m/s | 6.3 |
| 1991 | 27.1°C | 18.5°C | 9.8°C | 36.3°C | 3.4°C | 0 mm | 37% | 3.3 m/s | 6.7 |
| 1990 | 27.2°C | 18.4°C | 9.6°C | 34.9°C | 4.3°C | 2 mm | 35% | 3.5 m/s | 6.7 |
| 1989 | 27.3°C | 18.5°C | 9.6°C | 33.0°C | 7.5°C | 0 mm | 39% | 3.1 m/s | 6.6 |
| 1988 | 27.9°C | 18.9°C | 9.9°C | 32.5°C | 5.8°C | 0 mm | 36% | 3.1 m/s | 6.4 |
| 1987 | 27.9°C | 19.2°C | 10.6°C | 35.4°C | 6.0°C | 0 mm | 30% | 3.7 m/s | 6.5 |
| 1986 | 26.3°C | 18.0°C | 9.7°C | 31.9°C | 4.5°C | 34 mm | 44% | 3 m/s | 6.1 |
| 1985 | 28.0°C | 19.4°C | 10.9°C | 32.2°C | 3.3°C | 0 mm | 35% | 3.7 m/s | 6.4 |
| 1984 | 24.4°C | 16.3°C | 8.3°C | 29.3°C | 4.6°C | 27 mm | 46% | 3.5 m/s | 6.2 |
| 1983 | 29.0°C | 20.4°C | 11.7°C | 37.1°C | 7.5°C | 3 mm | 37% | 3.5 m/s | — |
| 1982 | 26.5°C | 18.4°C | 10.3°C | 32.9°C | 4.9°C | 26 mm | 41% | 3.8 m/s | — |
| 1981 | 30.2°C | 21.4°C | 12.5°C | 36.2°C | 8.3°C | 0 mm | 31% | 3.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 27.4°C with lows near 10.4°C (mean 18.9°C), based on 45 years of NASA POWER data.
September averages 6 mm of rainfall in Meekatharra, one of the drier months. The wettest on record was 48 mm in 2022.
The hottest September reached 38.3°C in 2023. The coldest dipped to 2.8°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.4°C. Daytime highs moved from 27.6°C to 27.7°C and overnight lows from 10.7°C to 11.4°C over the same span.
September is one of the cooler months of the year in Meekatharra and one of the drier months, so plan for around 27.4°C daytime highs and 10.4°C at night.
Not quite — September is the 5th coolest month in Meekatharra, averaging 18.9°C.
For September in Meekatharra, pack light layers you can adjust through the day, with typical highs of 27.4°C and lows of 10.4°C.
Relative humidity in September averages 38% — relatively dry.
Average wind speed in September is 3.5 m/s. The windiest September on record averaged 3.9 m/s (2024).
The wettest September on record was 2022 with 48 mm. On average, September sees 6 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 Meekatharra 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.
