September · Micronesia
Best time to visit Pohnpei in September Weather, crowds & prices
Weather in Pohnpei in September
Average temperature 23°C, 441 mm of rain, about 24 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.4/10
Ranked #9 of 12 months
- Avg temp
- 23°C
- Rainfall
- 441 mm
- Humidity
- 85%
- Days with 6h+ sun
- 24
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Pohnpei scores 5.4/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 23°C, 441 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Pohnpei is a lush volcanic island of waterfalls, mangrove coast, high rainfall, traditional communities, and the tidal ruins of Nan Madol.
September in Pohnpei: mixed conditions, plan around the weather
At 23°C (73°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
This is the year's wettest stretch at 441 mm, but with about 24 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 5.4/10 on the same scale — 9th of 12 months, versus 5.7/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
Frequently asked
- What is the weather like in Pohnpei in September?
- In September, Pohnpei averages 23°C, 441 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 5.4/10.
- Is September a good time to visit Pohnpei?
- September earns a 5.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Pohnpei in September?
- Expect about 441 mm of rain in September. Average humidity is 85% and there are about 24 days with 6+ hours of sunshine.
Curated in Pohnpei
Tickets & experiences
Things to do in Pohnpei
Pohnpei, Micronesia. Live activities and tours from GetYourGuide, matched to this destination.