Chuuk weather in September
September in Chuuk: hot, soaked, with clean air — a good time to visit.
#6 of 12 months in Chuuk · #440 of 604 destinations to visit in September · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Chuuk climate normals — September
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 317 mm / 12.5 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.2 h | |
| Wind | 20 km/h / 13 mph | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Chuuk?
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Chuuk in September — FAQ
- Is September a good time to visit Chuuk?
- September in Chuuk: hot, soaked, with clean air — a good time to visit. It ranks #6 of 12 months for Chuuk on SeasonMap's comfort score (68/100).
- What is the weather like in Chuuk in September?
- In September, Chuuk averages a daily high of 28.3°C and a low of 26.5°C, with about 317 mm of rain over roughly 24.6 rainy days.
- What is the air quality in Chuuk in September?
- Chuuk has a mean US Air Quality Index of about 23 in September.