Climate almanac
Waianae
Hawaii, United States · 21.44°, -158.19°
What is the weather like in Waianae in September?
In September, Waianae is typically 81°F (27°C) during the day and 76°F (25°C) at night. The month brings about 0.5 in (12 mm) of precipitation in total.
- Average high81°F (27°C)
- Average low76°F (25°C)
- Precipitation0.5 in (12 mm)
- Clear or mostly clear days20
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)