National Pool Closing Day

Frequency:
3rd Sat
in Sep
Inception Year:
1966
Hashtags:
References:
lesliespool.com/blog/national-pool-closing-day.html
x.com/lesliespoolcare/status/1570472561900920834
hardsoftwater.com/national-pool-closing-day-the-fun-and-the-facts/

National Pool Closing Day happens yearly on the 3rd Saturday in September. In 2025, this is September 20th.

September 2025

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See Also:

National Pool Opening Day