Offshore Stays

Surf Popoyo in September

Surfing Popoyo in September: in the main surf season, air around 28°C, sea around 29°C, 9.5 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

28°C

Sea temperature

29°C

Rain

9.5 mm/day

Wind

16 km/h avg

Average wave height

1.2 m (4 ft)

Big days (top 10%)

1.5 m (5 ft)+

Swell period

13 s

Main swell direction

From SW (225°)

What to wear: with the sea around 29°C in September, expect boardshorts or a rash vest.

Surf size in Popoyo in September

Offshore of Popoyo, waves in September average 1.2 m (4 ft), below the year-round average of 1.3 m — the 9th biggest month of the year. One hour in ten is 1.5 m (5 ft) or bigger. The dominant swell runs at about 13 seconds from the SW.

These are open-ocean figures from 10 years of hourly wave data, not a beach forecast: a sheltered break will be smaller, an exposed reef or point can be bigger.

September in the context of Popoyo's surf season

Popoyo's main surf season runs March–October. September is inside it.

Full Popoyo surf and remote-work guide →

Frequently asked questions

Is September a good month to surf Popoyo?
Yes — September falls in Popoyo's main surf season (March–October).
How warm is the sea in Popoyo in September?
About 29°C on average, which calls for boardshorts or a rash vest.
What is the weather like in Popoyo in September?
Air temperature averages 28°C, with about 9.5 mm of rain per day and average winds of 16 km/h.
Climate: NASA POWER (MERRA-2) monthly climatology, 2001–2020. Sea temperature: NOAA Coral Reef Watch CoralTemp v3.1, 5 km monthly SST, 2015–2025 mean (nearest ocean cell). Surf season is Offshore Stays editorial. Waves: Open-Meteo Marine API, ECMWF ERA5-Ocean hourly reanalysis, 2016–2025 (offshore grid cell 11.0°N 86.0°W), retrieved 22 Oct 2026.