Climate almanac
Avarua
Rarotonga, Cook Islands · -21.21°, -159.78°
What is the weather like in Avarua in September?
In September, Avarua is typically 75°F (24°C) during the day and 73°F (23°C) at night. The month brings about 3.5 in (88 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low73°F (23°C)
- Precipitation3.5 in (88 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)