Campsite Odds

Booking odds · September

Haleakalā National Park (Cabin Permits) in September: How Hard Is It to Book?

Haleakalā National Park (Cabin Permits) · HI · Haleakalā National Park

The verdict

Lottery-hard

Booking difficulty 10 out of 10. Gone within minutes of release. Bring a plan B.

Sells out at openBased on 3 years of reservation data

September weekends are typically gone within minutes of the booking window opening.

Haleakalā National Park (Cabin Permits) in September scores 10 out of 10 for booking difficulty — lottery-hard. Gone within minutes of release. Bring a plan B.

Across the last 3 years of reservation history, the typical September booking was locked in about 184 days before arrival, with the campground running roughly 120% full that month. The lightest arrival day is Thursday, so shifting to a midweek start is the single easiest way to improve your odds.

Lead time

How far ahead people book

Same day: 1% of bookingsSame day1–3d: 1% of bookings1–3d4–7d: 5% of bookings5%4–7d1–2wk: 7% of bookings7%1–2wk2–4wk: 9% of bookings9%2–4wk1–2mo: 6% of bookings6%1–2mo2–3mo: 1% of bookings2–3mo3–6mo: 6% of bookings6%3–6mo6mo+: 63% of bookings63%6mo+Median booking lead time: 184 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

Best odds: arrivals are lightest on Thursday in September. A midweek arrival is your easiest booking.

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Booking window · September 2027

When September reservations open

Reservations for Haleakalā National Park (Cabin Permits) in September 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.

September 1 stays open

March 1, 2027

at 7:00 AM ET

Release style

6-Month Rolling Window

Releases daily 6 months ahead at 7:00 AM ET

Campsites for September 1, 2027 become bookable on March 1, 2027 at 7:00 AM ET. Each subsequent date throughout September releases day-by-day exactly 6 months prior to arrival.

Facility note: Standard Recreation.gov 6-month rolling window: sites become bookable 6 months before arrival at 7:00 AM ET.

Plan B

Easier nearby options in September

If your dates are flexible, these nearby campgrounds are typically easier to book.

Haleakalā National Park (Wilderness Tent Permit)

HIPlan ahead

Kipahulu Campground

HIPlan ahead

Hosmer Grove Campground

HIPlan ahead

FAQ

Haleakalā National Park (Cabin Permits) in September: common questions

How hard is it to book Haleakalā National Park (Cabin Permits) in September?
Haleakalā National Park (Cabin Permits) rates 10 out of 10 for September — Lottery-hard. Gone within minutes of release. Bring a plan B.
How far in advance should I book Haleakalā National Park (Cabin Permits) for September?
The typical September reservation was made about 184 days before arrival, so plan to book as early as your dates allow.
When do September reservations open for Haleakalā National Park (Cabin Permits)?
Reservations for Haleakalā National Park (Cabin Permits) in September 2027 open on a rolling 6-month window. Sites for September 1 become bookable on March 1, 2027 at 7:00 AM ET, with each subsequent day releasing day-by-day 6 months ahead.
What is the best day to arrive at Haleakalā National Park (Cabin Permits) in September?
Arrivals are lightest on Thursday. A midweek arrival is usually the easiest booking.

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