Mackay Weather in September
September in Mackay sees daytime temperatures around 25°C (77°F) and lows of 19°C (66°F) at night. As the driest month of the year, combined with excellent weather, it's a great time to visit.
Rainfall in Mackay in September
The month is known for having the least rain of the year. Make the most of the sunshine and clear skies. Expect around 4 days of rain based on historical data, with 21 mm (0.8 in) average. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Mackay in September
September in Mackay is generally excellent, with days reaching 25°C (77°F) and nights settling around 19°C (66°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Mackay.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Mackay's climate page.
Mackay Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
25°C (77°F)
Chance of Rain
12%
Precipitation
21 mm (0.8 in)
Rainy days
4 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mackay typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Mackay in September
Browse day-by-day weather records for Mackay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mackay historical weather extremes in September
Our historical data for Mackay spans 1993 to 2025, revealing these weather extremes.
- The hottest September day on record in Mackay reached 33°C (91°F) (September 15, 2003).
- The lowest daytime temperature in September was 19°C (66°F), recorded on September 7, 1995.
- The lowest overnight temperature recorded in September was 7°C (45°F) (September 9, 2019).
Best Places in Australia in September
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →
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What to Wear in Mackay in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket.What To Do in Mackay in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Mackay's climate page.
See the full Mackay climate overview or explore weather in Australia.
