Pohnpei weather in September
September in Pohnpei: hot, soaked, with clean air — a good time to visit.
#4 of 12 months in Pohnpei · #434 of 604 destinations to visit in September · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Pohnpei climate normals — September
| Daytime high | 27°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 307 mm / 12.1 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 12.2 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 18 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Pohnpei?
Loading map…
Pohnpei in September — FAQ
- Is September a good time to visit Pohnpei?
- September in Pohnpei: hot, soaked, with clean air — a good time to visit. It ranks #4 of 12 months for Pohnpei on SeasonMap's comfort score (69/100).
- What is the weather like in Pohnpei in September?
- In September, Pohnpei averages a daily high of 26.9°C and a low of 24.6°C, with about 306.9 mm of rain over roughly 24.2 rainy days.
- What is the air quality in Pohnpei in September?
- Pohnpei has a mean US Air Quality Index of about 18 in September.