Is September a good month to surf San Juan del Sur?

Yes — September falls in San Juan del Sur's main surf season (March–October).

How warm is the sea in San Juan del Sur in September?

About 29°C on average, which calls for boardshorts or a rash vest.

What is the weather like in San Juan del Sur in September?

Air temperature averages 28°C, with about 9.2 mm of rain per day and average winds of 14 km/h.

Surf San Juan del Sur in September

Surfing San Juan del Sur in September: in the main surf season, air around 28°C, sea around 29°C, 9.2 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

9.2 mm/day

Wind

14 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 San Juan del Sur in September

Offshore of San Juan del Sur, 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 San Juan del Sur's surf season

San Juan del Sur's main surf season runs March–October. September is inside it.

Full San Juan del Sur surf and remote-work guide →

Frequently asked questions

Is September a good month to surf San Juan del Sur?: Yes — September falls in San Juan del Sur's main surf season (March–October).
How warm is the sea in San Juan del Sur in September?: About 29°C on average, which calls for boardshorts or a rash vest.
What is the weather like in San Juan del Sur in September?: Air temperature averages 28°C, with about 9.2 mm of rain per day and average winds of 14 km/h.