September · Papua New Guinea
Best time to visit Madang in September Weather, crowds & prices
Weather in Madang in September
Average temperature 24°C, 124 mm of rain, about 28 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.2/10
Ranked #2 of 12 months
- Avg temp
- 24°C
- Rainfall
- 124 mm
- Humidity
- 84%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Madang scores 6.2/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 24°C, 124 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Madang is a Papua New Guinean coastal town known for reefs, islands, mangroves, markets, and a relaxed base for diving and cultural trips.
September in Madang — workable with trade-offs
September averages 24°C (74°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 124 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 6.2/10 here, 2nd of 12 months, against 6.2/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
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 Madang in September?
- In September, Madang averages 24°C, 124 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is September a good time to visit Madang?
- September earns a 6.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Madang in September?
- Expect about 124 mm of rain in September. Average humidity is 84% and there are about 28 days with 6+ hours of sunshine.
Curated in Madang
Tickets & experiences
Things to do in Madang
Madang, Papua New Guinea. Live activities and tours from GetYourGuide, matched to this destination.