Hawaii Honolulu weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Hawaii Honolulu September weather at a glance
In September, Hawaii Honolulu averages 25.8°C, with typical highs of 29.8°C and lows of 23.1°C. The historical average is 6 wet days and 69% humidity.
Hawaii Honolulu September temperature & humidity
Hawaii Honolulu September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Hawaii Honolulu in September
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 29.8°C
- Morning & eveningLight layer for air-conditioned rooms · average low 23.1°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Hawaii Honolulu September sunrise & sunset times
2026 September · Local time (Pacific/Honolulu)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:15 | 18:47 | 12h 32m |
| 2026-09-15 | 06:19 | 18:34 | 12h 16m |
| 2026-09-30 | 06:22 | 18:20 | 11h 57m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Hawaii Honolulu travel essentials
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Best months to visit Hawaii Honolulu
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Hawaii Honolulu weather like in September?
In September, Hawaii Honolulu averages 25.8°C, with typical highs of 29.8°C and lows of 23.1°C. The historical average is 6 wet days and 69% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Hawaii Honolulu in September?
There are about 6 wet days in September. A compact umbrella is still useful.
What should I wear in Hawaii Honolulu in September?
Choose breathable summer clothes and pack sun protection.
What are the best months to visit Hawaii Honolulu?
Recent weather data rates February, March, June, July among the more comfortable months.
Where can I check Hawaii Honolulu weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Hawaii Honolulu in September?
On 2026-09-15, calculated sunrise is 06:19 and sunset is 18:34 in local time (Pacific/Honolulu). Times vary by date and terrain.
Hawaii Honolulu weather by month
More Americas destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations