Pool Season

When Do Public Pools Close for the Season?

Typical closing dates for city, community and apartment pools, and why most shut by Labor Day.

Updated November 2026

Short answer

Most outdoor public pools in the United States close on or just after Labor Day, the first Monday in September. In 2027 that is Monday, September 6. Many cut back to weekends, or close some locations, from mid August when schools reopen.

Dates are set by each city, community or building, so check with yours. Own a pool? Your closing date depends on water temperature, not the calendar: see when to close your pool.

When to close a home pool, by state

When does each type of pool close?

Typical season for each type of outdoor pool in the United States
Type of pool	Typical opening	Typical closing
City and park district outdoor pools	Memorial Day weekend to late June	Labor Day, or the weekend after
Neighborhood and HOA community pools	Memorial Day weekend	Labor Day. Some stay open weekends in September
Apartment and condo pools	May	September, set by the management
Splash pads and spray parks	Late May	Labor Day to late September
Hotel and resort pools	Varies	Many are heated or indoor and stay open all year
Outdoor pools in Florida, Arizona, Southern California and the Gulf Coast	March or April, or never closed	October or later, or open all year
Indoor public pools	Open all year	Often shut one or two weeks in late summer for maintenance

Memorial Day is the last Monday in May: May 31 in 2027.

What did large cities do in 2026?

New York City: outdoor pools opened June 27. Mini pools closed on Labor Day, September 7, and the larger pools closed Sunday, September 13.
Chicago: outdoor pools opened June 19. Some pools closed August 14, more closed August 21, and 20 stayed open through Labor Day, September 7.

Both followed the usual pattern: open once school is out, wind down as lifeguards go back to school, and shut the last pools around Labor Day.

Why do public pools close when it is still warm?

Lifeguards go back to school. Most seasonal guards are high school and college students, and a pool cannot open without them.
Attendance drops as soon as school starts, especially on weekdays.
Budgets are set for a fixed season. Staffing, chemicals and utilities are planned around about ten to fourteen weeks.
Water cools fast. Shorter days and cool nights pull unheated water into the 60s within weeks.

A home pool has none of these limits, which is why owners in most states keep swimming for weeks after the public pools shut. A solar cover holds in the heat of the day overnight and stretches the season further.

Frequently Asked Questions

Are public pools open in September?

Some are. Most close on Labor Day, but many community pools stay open on weekends through the middle or end of September, and pools in warm states stay open much longer.

What time do public pools close each day?

It varies by pool. Outdoor public pools commonly close between 6 and 8 in the evening, often tied to sunset and lifeguard shifts. Check your pool's posted hours.

When do public pools open for the season?

Usually Memorial Day weekend. Big city systems often wait until school lets out in mid or late June.

When should I close my own pool?

When the water stays below 65 degrees, which is later than Labor Day in most of the country. The state by state closing table gives a date range for your area.

Do pools close for winter in Florida?

Many do not. In South and Central Florida most pools, public and private, stay open all year, with shorter hours in winter.

Sources

Own a pool? Close it by temperature

Closing too early is the most common cause of a green pool in spring. See the right window for your state.

When to Close Your Pool How to Close a Pool