Offshore Stays

Surf Sayulita in September

Surfing Sayulita in September: in the main surf season, air around 28°C, sea around 31°C, 11.6 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

28°C

Sea temperature

31°C

Rain

11.6 mm/day

Wind

12 km/h avg

Average wave height

1.1 m (3 ft)

Big days (top 10%)

1.4 m (5 ft)+

Swell period

13 s

Main swell direction

From SW (225°)

What to wear: with the sea around 31°C in September, expect boardshorts or a rash vest.

Surf size in Sayulita in September

Offshore of Sayulita, waves in September average 1.1 m (3 ft), above the year-round average of 1.0 m — the 3rd biggest month of the year. One hour in ten is 1.4 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 Sayulita's surf season

Sayulita's main surf season runs May–October. September is inside it.

Full Sayulita surf and remote-work guide →

Frequently asked questions

Is September a good month to surf Sayulita?
Yes — September falls in Sayulita's main surf season (May–October).
How warm is the sea in Sayulita in September?
About 31°C on average, which calls for boardshorts or a rash vest.
What is the weather like in Sayulita in September?
Air temperature averages 28°C, with about 11.6 mm of rain per day and average winds of 12 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 21.0°N 105.5°W), retrieved 22 Oct 2026.