Climate almanac
Haʻikū
Hawaii, United States · 20.92°, -156.32°
What is the weather like in Haʻikū in September?
In September, Haʻikū is typically 79°F (26°C) during the day and 75°F (24°C) at night. The month brings about 2.7 in (68 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low75°F (24°C)
- Precipitation2.7 in (68 mm)
- Clear or mostly clear days17
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)