San Andrés Weather in September

During September, San Andrés experiences high daytime temperatures of 30°C (86°F) and cooler nights around 26°C (79°F). September sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in San Andrés in September

San Andrés is in the rainy season in September, with rain on around 21 days and an average of 239 mm (9.4 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in San Andrés in September

September in San Andrés sees highs of 30°C (86°F) and lows of 26°C (79°F) overnight. 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 San Andrés in September

There are approximately 194 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March and April typically offer the best weather for San Andrés.