Season guide · Kauaʻi · United States
Kauaʻi in autumn
September–November: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Pictured: Kauaʻi Museum, Kauaʻi · Photo: Joel Bradshaw, Public domain
Quick answer
Warm seas and fewer visitors in September and October, with rain and winter surf returning in November. Expect highs up to 30°C (86°F) and lows around 22°C (72°F), with about 44 rainy days across September–November. September–October are among the best months of the year to visit.
Key facts
- Months
- September–November
- Temperatures
- 22°C (72°F) to 30°C (86°F)
- Rainy days in the season
- About 44
- Sea
- 26°C (79°F) to 27°C (81°F)
- Crowds
- Quiet
- Hotel prices
- Average
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Weather in autumn
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| September | 30°C (86°F) | 23°C (73°F) | 13 | 12.2 h | 2/5 |
| October | 29°C (84°F) | 23°C (73°F) | 15 | 11.6 h | 2/5 |
| November | 28°C (82°F) | 22°C (72°F) | 16 | 11 h | 3/5 |
Compared with the rest of the year: average highs of 29°C (84°F) against a yearly 28°C (82°F), and 44 of the year's roughly 169 rainy days fall in these 3 months. Crowds rate 2/5 and hotel prices 3/5 on average.
Good choices for autumn
Museum · Līhuʻe
Kauaʻi Museum
It is a good rainy-day stop near the airport, before or after your flight.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- History
- Rainy day
- Art
Day trips in autumn
- Hanapēpē and the West Side (About 30 minutes from Poʻipū) — Explore Hanapēpē's galleries and swinging bridge, watch Salt Pond Beach's traditional salt-making pans, and visit Waimea's historic town centre and Russian Fort Elizabeth site.
- Waimea Canyon and Kōkeʻe drive (About 1 hour 15 minutes each way from Poʻipū) — Drive west through Waimea town and up Waimea Canyon Drive past a series of canyon lookouts to Kōkeʻe and the Kalalau Lookout at the end of the road.
What to pack
- Light, breathable clothes, a sun hat and high-factor sunscreen
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is autumn a good time to visit Kauaʻi?
Yes: September–October are among the best months. Warm seas and fewer visitors in September and October, with rain and winter surf returning in November.
+What is the weather like in Kauaʻi in autumn?
Highs of up to 30°C (86°F) and lows around 22°C (72°F), with about 44 rainy days over the season.