What to Wear in Honolulu in September
Still hot and sunny, crowds thinning. Expect 24°–31°C with 5 rainy days on average.
☀️
High
31°C
🌙
Low
24°C
🌧️
Rain days
5
🌡️
Feel
Very Warm
Typical outfit
~28°C average
About September in Honolulu
September in Honolulu typically brings still hot and sunny, crowds thinning. With averages of 24°–31°C, the conditions call for a beautifully warm day — dress for comfort and style with breathable summer pieces.
Bring a light layer for the evening — temperatures can drop 8–10°C after sunset.
September in other cities