Hanalei Weather in September
September in Hanalei averages 28°C (82°F) during the day and 24°C (75°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.
Rainfall in Hanalei in September
You can typically expect 16 days of rain this month, averaging around 49 mm (1.9 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Hanalei in September
If you're visiting Hanalei in September, expect perfect temperatures with highs of 28°C (82°F) and overnight lows of 24°C (75°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. On average, it is the warmest month of the year.
Sunshine in Hanalei in September
The city usually sees around 242 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you explore other travel destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hanalei's climate page.
Hanalei Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
52%
Precipitation
49 mm (1.9 in)
Rainy days
16 days
Humidity
74% *
Sunshine
242 hours *
Percentage Sunshine
66% *
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Hanalei in September
Warm but pleasant conditions in Hanalei in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Hanalei in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hanalei's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hanalei climate overview or explore weather in the United States of America.
