Hagåtña weather in September
September in Hagåtña: sweltering, soaked, with clean air — a good time to visit.
#10 of 12 months in Hagåtña · #489 of 604 destinations to visit in September · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Hagåtña climate normals — September
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 318 mm / 12.5 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.2 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Hagåtña?
Loading map…
Hagåtña in September — FAQ
- Is September a good time to visit Hagåtña?
- September in Hagåtña: sweltering, soaked, with clean air — a good time to visit. It ranks #10 of 12 months for Hagåtña on SeasonMap's comfort score (63/100).
- What is the weather like in Hagåtña in September?
- In September, Hagåtña averages a daily high of 28.8°C and a low of 26.5°C, with about 318 mm of rain over roughly 27.8 rainy days.
- What is the air quality in Hagåtña in September?
- Hagåtña has a mean US Air Quality Index of about 27 in September.