Kailua-Kona Weather in September

Thinking of visiting Kailua-Kona in September? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 22°C (72°F) at night. Heavy showers are common during the rainy season.

Rainfall in Kailua-Kona in September

Kailua-Kona is in the rainy season in September, with rain on around 16 days and an average of 356 mm (14 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.

Temperature in Kailua-Kona in September

In September, expect high temperatures in Kailua-Kona, with highs of 26°C (79°F) and lows of 22°C (72°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 22°C (72°F), the nights are warm and generally comfortable.

Sunshine in Kailua-Kona in September

Expect a lot of sunshine this month, with about 260 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

September in Kailua-Kona has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.