September · Australia
Best time to visit Magnetic Island in September Weather, crowds & prices
Weather in Magnetic Island in September
Average temperature 24°C, 6 mm of rain, about 27 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.8/10
Ranked #1 of 12 months
- Avg temp
- 24°C
- Rainfall
- 6 mm
- Humidity
- 74%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Magnetic Island scores 9.8/10 for beach and coastal travel - the single best month of the year. Expect around 24°C, 6 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Magnetic Island is Townsville’s koala-and-bay day trip-beaches, fort ruins, and ferry-easy reef snorkel. Best window: the drier months outside peak monsoon.
September: the best month of the year in Magnetic Island
September averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 6 mm for the month, with about 27 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Magnetic Island at 9.8/10 — the reference point every other month on this page is measured against.
Pack light clothing, swimwear and real sun protection.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Magnetic Island in September?
- In September, Magnetic Island averages 24°C, 6 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is September a good time to visit Magnetic Island?
- September earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Magnetic Island in September?
- Expect about 6 mm of rain in September. Average humidity is 74% and there are about 27 days with 6+ hours of sunshine.
Curated in Magnetic Island
Tickets & experiences
Things to do in Magnetic Island
Magnetic Island, Australia. Live activities and tours from GetYourGuide, matched to this destination.