Monthly recap
Perdido Key Beach Conditions — September 2026
September 2026 was an excellent month for swimming on Perdido Key. The Gulf averaged 86.4°F, 22 of 25 recorded days were swimmable (green or yellow flag), and the water was closed to swimmers on 0 double-red days. The best beach day of the month was Tuesday, September 1, 2026, scoring 9/10 — a postcard day.
86.4°
Avg water temp
87°
Warmest day
22/25
Swimmable days
0
Green-flag days
0
Double-red days
8.4/10
Avg Beach Score
Every day, recorded
Each day links to its full report — flags, water temp, surf, and the Beach Day Score. For live conditions right now, see today's beach flag.
Friday, September 25, 2026 86° water 8/10 Thursday, September 24, 2026 86° water 9/10 Wednesday, September 23, 2026 86° water 9/10 Tuesday, September 22, 2026 86° water 9/10 Monday, September 21, 2026 86° water 9/10 Sunday, September 20, 2026 86° water 9/10 Saturday, September 19, 2026 86° water 9/10 Friday, September 18, 2026 86° water 5/10 Thursday, September 17, 2026 86° water 5/10 Wednesday, September 16, 2026 87° water 5/10 Tuesday, September 15, 2026 87° water 9/10 Monday, September 14, 2026 87° water 9/10 Sunday, September 13, 2026 86° water 9/10 Saturday, September 12, 2026 86° water 9/10 Friday, September 11, 2026 86° water 8/10 Thursday, September 10, 2026 87° water 9/10 Wednesday, September 9, 2026 87° water 8/10 Tuesday, September 8, 2026 87° water 8/10 Monday, September 7, 2026 87° water 9/10 Sunday, September 6, 2026 86° water 9/10 Saturday, September 5, 2026 86° water 9/10 Friday, September 4, 2026 86° water 9/10 Thursday, September 3, 2026 87° water 9/10 Wednesday, September 2, 2026 87° water 9/10 Tuesday, September 1, 2026 87° water 9/10