Hawaii by month · 9 of 12
Hawaii RV rental in September
September falls inside Hawaii's best RV window (April to October).
Trade winds keep temperatures pleasant; winter brings more rain on windward sides and higher surf that can affect coastal camping.
PickRV
Published by PickRV
September on the ground
Weather & conditions
Still summery, noticeably quieter. High 84°F, Low 70°F.
September keeps August's warm ocean and sheds its crowds — one of the calmest months to circle an island slowly.
What to do in September
- Uncrowded beach afternoons
- Coffee-farm tours in Kona country
- Quiet coastal campground evenings
Best-fit rigs: Truck or van · Motorhome
Know before you go
It sits in the statistical heart of hurricane season — most years pass uneventfully, but stay forecast-aware.
Flash floods are common in valleys during heavy rain. Tsunami warnings occur periodically. Limited RV infrastructure outside big islands.
From the verified event registry
September events in Hawaii
No verified large-scale September events in our Hawaii registry yet — we only list events we can date and source, never filler. The full calendar tracks what's confirmed.
Hawaii events calendarTrip notes
September tips for Hawaii
Layer up: shoulder-pattern days can swing from a chilly dawn to t-shirt warmth by afternoon.
Pack rain gear and leveling mats for soft or wet sites.
Carry a weather radio and check forecasts daily — transitional months turn fast.
Daylight shrinks noticeably — plan arrivals before dusk.
Keep planning
Plan the Hawaii trip
Nearby & related
Keep planning Hawaii
Sourced costs, campground directories, and the places worth a detour — the next layer of Hawaii trip planning.