Poipu Beach Park Weather Forecast
- 77
- 87
Rain Showers
- 77
- 86
Rain Showers
- 77
- 87
Rain Showers
- 77
- 86
Rain Showers
- 77
- 87
Rain Showers
- 77
- 87
Rain Showers
Today 7 Sep Kauai South
Mostly sunny with isolated Showers. Highs 84 to 91. Northeast Winds around 10 Mph shifting to the south in the afternoon. Chance of rain 20 percent.
Tonight 7 Sep Kauai South
Partly cloudy with isolated Showers. Lows around 74. Light Winds. Chance of rain 20 percent.
Poipu Beach Park Temperature Statistics
September Temperature
Lihue, Lihue Airport (10.6 miles)
Lowest 1 September, 2025
72 °FAverage September
79.9 °FHighest 2 September, 2025
84.9 °F
Climate (2020–Present)
Lihue, Lihue Airport (10.6 miles)
Average Low 2020–2025
71.8 °FAverage 2020–2025
76.5 °FAverage High 2020–2025
82.1 °F