San Juan del Sur Weather in September

In San Juan del Sur, September brings high daytime temperatures around 29°C (84°F), with nights cooling to 25°C (77°F). Expect quite a bit of rainfall this month.

Rainfall in San Juan del Sur in September

This month experiences about 24 days of rain according to historical data, averaging 266 mm (10 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in San Juan del Sur in September

Daytime highs in San Juan del Sur in September reach 29°C (84°F), with nights around 25°C (77°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in San Juan del Sur in September

The area enjoys a balanced 150 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in San Juan del Sur in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit San Juan del Sur. Our weather planner can help you explore destinations with more pleasant weather conditions.