Climate almanac
Kahului
Hawaii, United States · 20.89°, -156.47°
What is the weather like in Kahului in September?
In September, Kahului is typically 85°F (30°C) during the day and 75°F (24°C) at night. The month brings about 0.7 in (17 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low75°F (24°C)
- Precipitation0.7 in (17 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)