Discover the San Blas Islands
The San Blas Islands are among the most beautiful islands in the Caribbean and perhaps even in the world. These tropical pearls are located in the north of Panama.
September in Santa Catalina brings high temperatures, with daytime highs of 29°C (84°F) and nights around 25°C (77°F). It's part of the rainy season, with 433 mm (17 in) of rainfall on average, so an umbrella or poncho is a good idea.
If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Santa Catalina. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Santa Catalina - and find the best time to visit.
39-year average (1980-2025)
Based on our historical records, temperatures in Santa Catalina typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Browse day-by-day weather records for Santa Catalina spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Santa Catalina between 2006 and 2026, these are the recorded extremes during September.
Find out more about the weather in Panama and which places have the best travel conditions in this month. See all of Panama in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Santa Catalina climate overview or explore weather in Panama.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Discover the San Blas Islands
The San Blas Islands are among the most beautiful islands in the Caribbean and perhaps even in the world. These tropical pearls are located in the north of Panama.
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