September · Micronesia
Best time to visit Chuuk in September Weather, crowds & prices
Weather in Chuuk in September
Average temperature 28°C, 392 mm of rain, about 22 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
3.5/10
Ranked #9 of 12 months
- Avg temp
- 28°C
- Rainfall
- 392 mm
- Humidity
- 80%
- Days with 6h+ sun
- 22
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Chuuk scores 3.5/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 28°C, 392 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Chuuk is a Micronesian island state centered on a protected lagoon famous for World War II wreck diving, reef life, and dispersed island communities.
September in Chuuk — off-season conditions
September averages 28°C (82°F) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
392 mm makes this the wettest stretch of the year, though about 22 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.5/10 here, 9th of 12 months, against 5.4/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 1.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Chuuk in September?
- In September, Chuuk averages 28°C, 392 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 3.5/10.
- Is September a good time to visit Chuuk?
- September earns a 3.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Chuuk in September?
- Expect about 392 mm of rain in September. Average humidity is 80% and there are about 22 days with 6+ hours of sunshine.
Curated in Chuuk
Tickets & experiences
Things to do in Chuuk
Chuuk, Micronesia. Live activities and tours from GetYourGuide, matched to this destination.