Typical Weather in Honolulu, HI in September
88° F Avg High
73° F Avg Low
2 Rainy Days
☀️ Temperature Summary
Highs in September are typically around 88°F, which is warmer than usual in Honolulu. You can expect overnight lows near 73°F most days.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off.
High Temps Throughout the Year
☔ Rain Summary
In September you can expect close to a 8% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 1 inches.
Rainfall Throughout the Year
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