September · Australia
Best time to visit Phillip Island in September Weather, crowds & prices
Weather in Phillip Island in September
Average temperature 13°C, 53 mm of rain, about 13 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.0/10
Ranked #7 of 12 months
- Avg temp
- 13°C
- Rainfall
- 53 mm
- Humidity
- 77%
- Days with 6h+ sun
- 13
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Phillip Island scores 8.0/10 for nature and wildlife travel - ranked #7 of 12. Expect around 13°C, 53 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Phillip Island is famous for little penguin parades-coastal cliffs and wildlife day trips from Melbourne. Best window: November through March in the Southern Hemisphere.
September in Phillip Island: strong conditions, 7th of 12
September averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 53 mm, so plan one flexible day in three; you still get about 13 days with 6+ hours of sunshine and 11.8 hours of daylight.
It scores 8/10 here, 7th of 12 months, against 9.7/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? February scores 1.7 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Phillip Island in September?
- In September, Phillip Island averages 13°C, 53 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
- Is September a good time to visit Phillip Island?
- September earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Phillip Island in September?
- Expect about 53 mm of rain in September. Average humidity is 77% and there are about 13 days with 6+ hours of sunshine.
Curated in Phillip Island
Tickets & experiences
Things to do in Phillip Island
Phillip Island, Australia. Live activities and tours from GetYourGuide, matched to this destination.