Search flights, hotels & activities for Kauai
Compare flights, hotels, cars, and activities in one place.
500+airlines & travel sites compared
21,000+routes tracked
€0booking fees from us
Freeprice drop alerts
Things to Do in Kauai in September
Planning a trip to Kauai in September? Kauai is in United States.
Real things to do in Kauai in September
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad

Po'ipu Surf Lesson
★ 4.9(407 reviews)· 1h 30m
From €83

Kalapaki Kai Sunset Catamaran Cruise
★ 4.9(451 reviews)· 2 hrs
From €97

Kauai: NaPali Boat Tour on the Amelia K
★ 4.9(1,733 reviews)· 5 hrs
From €203

Wailua River & Waterfalls Kayak Tour: Expert-Guided Adventure
★ 4.8(836 reviews)· 6 hrs
From €147

Private Kauaʻi Helicopter Experience: Doors-Off ALL WINDOW SEATS
★ 4.8(458 reviews)· 55 min
From €343

Oahu: Mauka Warriors Luau Honoring Polynesia's Forgotten History
★ 4.8(3,581 reviews)· 4 hrs
From €130

Kauai: Na Pali Raft Snorkel Adventure
★ 4.8(1,643 reviews)· 5h 30m
From €194

Kauai: Deluxe Na Pali Snorkel Cruise aboard Lucky Lady
★ 4.7(1,606 reviews)· 5h 30m
From €209

Kauai Self-Guided Audio Driving Tour
★ 4.7(234 reviews)· 1 day
From €18

Kauai: Luau Kalamaku with Buffet Dinner and Show
★ 4.3(1,774 reviews)· 6 hrs
From €167
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
Plan the rest of your trip
Continue planning your trip to Kauai
Same destination, real availability — no need to search again.
FAQs — Kauai in September
We don't have historical weather data on file for Kauai right now.