Isla del Rosario Weather in September

September in Isla del Rosario sees daytime temperatures around 30°C (86°F) and lows of 26°C (79°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Isla del Rosario in September

Isla del Rosario is in the rainy season in September, with rain on around 13 days and an average of 212 mm (8.3 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Isla del Rosario in September

If you're visiting Isla del Rosario in September, expect highs of 30°C (86°F) and overnight lows around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in Isla del Rosario in September

You can expect a moderate amount of sunlight, with approximately 173 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

September in Isla del Rosario has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.